Diseases of Urinary System
Diseases of Urinary System. Mobile Phone 01797522136, 01987073965. Diseases and disorders of the urinary system include common conditions like urinary tract infections (UTIs), kidney stones, and incontinence, as well as more serious issues such as kidney failure, polycystic kidney disease (PKD), and various forms of cancer affecting the kidneys, bladder, or prostate. Symptoms can vary but often involve pain in the back or lower abdomen, changes in urine, or difficulty controlling urination.

Diseases of Urinary System is an important subject of Many Medical Courses like Paramedical, Diploma Medical Assistant, Diploma in Medicine and Surgery, Diploma in Paramedical, Diploma in Medicine and Diploma in Surgery, Post Diploma Training in Medicine, Post Graduation Training in Medine. All these courses are available in HRTD Medical Institute Which is an Organization of HRTD Limited, Registered by the Govt of The People Republic of Bangladesh.
Common Conditions Diseases of the Urinary System
- Urinary Tract Infections (UTIs): Caused by bacteria entering the urinary system, leading to inflammation and pain.
- Kidney Stones (Nephrolithiasis): Hard deposits that form in the kidneys, causing pain, blood in urine, and potentially fever.
- Incontinence: The inability to control the flow of urine.
- Enlarged Prostate (Benign Prostatic Hyperplasia – BPH): In men, this condition can obstruct the bladder, making it difficult to empty.
- Overactive Bladder: Characterized by a frequent, urgent need to urinate.
Serious Conditions Diseases of the Urinary System
- Kidney Failure:A severe condition where the kidneys can no longer filter waste from the blood effectively.
- Polycystic Kidney Disease (PKD):An inherited disorder where cysts grow in the kidneys, impairing their function.
- Bladder Cancer:Abnormal cell growth in the bladder lining, which can spread to other parts of the body.
- Glomerulonephritis:Inflammation of the glomeruli (tiny filtering units) in the kidneys.
Symptoms to Watch For
- Pain or discomfort in the abdomen, pelvis, or lower back.
- Blood in the urine (hematuria).
- Foamy urine.
- Swelling in the face, ankles, or abdomen.
- Difficulty urinating or holding urine.
- Frequent urination or an urgent need to urinate.
- Fever and chills.
When to See a Doctor
Always consult a doctor if you experience unusual or persistent symptoms related to your urinary system. Early diagnosis and treatment are crucial, as some conditions can be life-threatening if left untreated.
Disclaimer: This information is for general knowledge and does not substitute professional medical advice. Always consult a healthcare provider for any health concerns.
Urinary Tract Infections
A urinary tract infection (UTI) is an infection in any part of the urinary system, most commonly caused by bacteria like E. coli entering the urethra. Symptoms include painful urination, frequent urge to urinate, cloudy or blood-tinged urine, and lower abdominal pain. Diagnosis involves a urine test, and treatment is typically with antibiotics. Untreated UTIs can lead to complications such as kidney infections or even life-threatening sepsis. Prevention involves good hydration, proper hygiene, and avoiding irritants that can increase the risk of infection.
Definition
A UTI is an infection anywhere in the urinary tract, which includes the kidneys, ureters, bladder, and urethra.
Causes
- Bacteria:Most UTIs are caused by bacteria, particularly E. coli, from the digestive system entering and multiplying in the urinary tract.
- Other factors:Pregnancy, conditions that block the urinary tract (like kidney stones), difficulty emptying the bladder, urinary catheters, and a weakened immune system are also risk factors.
Clinical Features (Symptoms)
- Pain or a burning sensation during urination.
- A strong, frequent urge to urinate, even if the bladder isn’t full.
- Cloudy, strong-smelling, or bloody urine.
- Pain or pressure in the lower stomach or back.
- Fever, fatigue, and feeling generally unwell.
Diagnosis
- Symptoms: A doctor can often diagnose a UTI based on your symptoms.
- Urine Test: A urine sample is analyzed for white blood cells and bacteria.
- Urine Culture: A urine culture identifies the specific type of bacteria causing the infection.
Investigations
- Urinalysis: A general urine test to check for signs of infection.
- Urine Culture & Sensitivity: To identify the type of bacteria and determine which antibiotics will be effective.
Treatment
- Antibiotics: Antibiotics are prescribed to kill the bacteria causing the infection.
- Hydration: Drinking plenty of water helps flush out bacteria and dilute urine.
- Other Measures: Avoiding irritants like coffee, alcohol, and citrus juices can help reduce bladder irritation.
Complications
- Kidney Infection (Pyelonephritis): The infection spreads from the bladder to the kidneys, potentially causing a more serious kidney infection.
- Urosepsis: The infection enters the bloodstream, leading to a severe, life-threatening condition called sepsis.
- Chronic Kidney Disease: Recurrent or untreated infections can damage the kidneys over time.
Prevention
- Stay Hydrated:Drink plenty of water to help flush bacteria from the urinary system.
- Practice Good Hygiene:Emptying the bladder after sexual intercourse can help prevent bacteria from entering the urinary tract.
- Avoid Irritants:Limit consumption of coffee, alcohol, and carbonated beverages, as they can irritate the bladder.
- Urinary Catheter Care:Proper management of urinary catheters is essential for preventing infections in healthcare settings.
Nephrolithiasis (Kidney Stone) is one of the Diseases of Urinary System
Nephrolithiasis, or kidney stones, are hard deposits of minerals and salts that form in the kidney and can cause pain (renal colic) as they move through the urinary tract. Causes include dehydration, diet, obesity, certain medical conditions, and medications. Symptoms include severe flank or abdominal pain, nausea, vomiting, and blood or cloudy urine.
Diagnosis relies on imaging like CT scans or ultrasounds, while treatment involves managing pain, encouraging fluids, and using medical or surgical options for stones that don’t pass. Prevention focuses on staying hydrated, moderating diet, and addressing underlying medical causes.

Causes
Kidney stones form when urine has too many stone-forming substances and not enough liquid to dilute them. Common risk factors include:
- Dehydration: Not drinking enough fluids is a primary cause.
- Diet: High intake of animal protein, sodium, sugar, and oxalate-rich foods can increase risk.
- Obesity and lifestyle: Being overweight or having a sedentary lifestyle increases the risk.
- Metabolic and medical conditions: Conditions like hyperparathyroidism, inflammatory bowel disease, and certain hereditary disorders can contribute.
- Medications and supplements: Some medications and high doses of supplements like Vitamin C can increase risk.
Clinical Features (Symptoms)
Symptoms can vary depending on the stone’s size and location. Common features include:
- Severe pain: Intense, sharp pain in the lower back, side, or belly (renal colic).
- Urinary symptoms: Painful urination, frequent urge to urinate, or the inability to urinate.
- Changes in urine: Blood in the urine (hematuria), or cloudy, foul-smelling urine.
- Systemic symptoms: Nausea, vomiting, fever, and chills, especially if an infection is present.
Diagnosis & Investigations
Healthcare providers use various methods to diagnose kidney stones:
- Imaging:A non-contrast CT scan of the abdomen and pelvis is the most effective imaging method. An ultrasound or plain X-ray can also be used, especially to reduce radiation exposure.
- Urine and blood tests:These tests check for indicators of stone formation, infection, and underlying metabolic issues.
- Stone analysis:The composition of a passed stone can help determine the cause and guide prevention.
Treatment
Treatment depends on the stone’s size, type, and location.
- Conservative management:
- Pain relief: Medications like NSAIDs or opioids are used to manage pain.
- Increased fluid intake: Drinking plenty of water helps flush the urinary system.
- Medical expulsion therapy: Alpha-adrenergic blockers (like tamsulosin) can relax the ureter, helping smaller stones to pass.
- Surgical procedures:For larger stones or those that don’t pass:
- Extracorporeal shock wave lithotripsy (ESWL): Uses shock waves to break the stone into smaller pieces.
- Ureteroscopy: A scope is inserted through the urethra and bladder to remove the stone.
- Percutaneous Nephrolithotomy (PCNL): A procedure to remove stones from the kidney through a small incision in the back.
Complications
If left untreated, kidney stones can lead to serious problems:
- Urinary tract infections (UTIs): and kidney infections (pyelonephritis).
- Obstruction: A stone can completely block the urinary tract, leading to swelling in the kidney (hydronephrosis).
- Sepsis: A severe, widespread infection that can be life-threatening.
- Kidney damage: Prolonged obstruction or recurrent infections can damage the kidney.
Incontinance (Urinary Incontinance) is one of the Diseases of Urinary System
Incontinence is the involuntary loss or leakage of urine, a common condition that affects both health and quality of life. Causes range from temporary issues like urinary tract infections (UTIs) and medications to chronic problems such as pelvic floor disorders, an enlarged prostate, and nerve damage. Clinical features include leaking urine with activities like coughing or laughing (stress incontinence), a sudden, strong urge to urinate (urge incontinence), or difficulty emptying the bladder.
Diagnosis involves a medical history, physical exam, and sometimes, tests like urinalysis or bladder diaries. Treatment options include lifestyle changes, pelvic floor exercises, bladder training, medication, catheters, or surgery, with the best approach depending on the specific type and cause of incontinence. Complications may include recurrent UTIs, skin breakdown, and mental health issues like depression.
Definition
Incontinence is the accidental and involuntary leakage of urine. It is a symptom, not a disease itself, and can range from a minor annoyance to a significant problem affecting a person’s health and daily life.
Causes
Causes can be temporary or long-term.
- Temporary Causes:
- Urinary tract infections (UTIs): Irritate the bladder, causing strong urges to urinate.
- Medications: Some drugs can cause or worsen incontinence.
- Constipation: A full rectum can press on the bladder and nerves, affecting bladder control.
- Pregnancy and Childbirth: Can lead to weakened pelvic muscles and nerve damage.
- Long-Term Conditions:
- Aging: Weakening of bladder and urethral muscles.
- Pelvic floor disorders: Weakened or damaged pelvic floor muscles that support the bladder.
- Enlarged prostate: Can obstruct urine flow, leading to overflow incontinence.
- Neurological conditions: Such as stroke, diabetes, or spinal cord injury, which can affect nerve signals controlling urination.
Clinical Features (Symptoms)
- Stress incontinence: Leaking urine when physical pressure is placed on the bladder, such as when coughing, sneezing, laughing, or lifting.
- Urge incontinence: A sudden, strong, and uncontrollable urge to urinate followed by leakage.
- Mixed incontinence: A combination of stress and urge incontinence.
- Overflow incontinence: Frequent or constant dribbling of urine because the bladder doesn’t empty completely.
- Functional incontinence: The inability to get to the toilet in time due to a mobility or cognitive impairment.
Diagnosis
A healthcare professional will typically:
- Take a detailed medical history and ask about symptoms.
- Perform a physical examination, which may include a neurological exam.
- Ask about lifestyle, diet, and medications.
- In some cases, they may recommend a bladder diary to track fluid intake and urination patterns.
- Urinalysis: To check for infection or other abnormalities.
- Urodynamic testing: To assess bladder function and pressure.
Investigations
- Bladder diary: To monitor urination frequency and leakage episodes.
- Urine tests: To detect UTIs or blood in the urine.
- Post-void residual (PVR) measurement: To check how much urine remains in the bladder after urinating.
- Cystoscopy: A procedure where a thin tube with a camera is used to look inside the bladder and urethra.
Treatment
Treatments vary depending on the type and cause of incontinence.
- Lifestyle changes: Fluid management, dietary adjustments, and quitting smoking.
Benign Prostatic Hyperplasia (BPH), or an enlarged prostate is one of the Diseases of Urinary System
Benign Prostatic Hyperplasia (BPH), or an enlarged prostate, is a non-cancerous growth of the prostate gland, common with age, that causes urinary problems by compressing the urethra. Key symptoms include frequent or urgent urination and a weak urine stream, diagnosed via a physical exam and symptom questionnaires, with treatment options ranging from lifestyle changes and medication to surgery. Potential complications of untreated BPH include urinary tract infections, bladder stones, and kidney damage. Prevention focuses on managing risk factors like obesity and limiting certain medications, though age and hormones are primary causes.
Causes
- Aging: BPH is a normal part of aging and becomes more common after age 50.
- Hormonal Changes: Changes in male sex hormones, particularly testosterone and dihydrotestosterone (DHT), are strongly linked to prostate cell growth and enlargement.
- Genetics and Family History: A family history of BPH may increase your risk.
- Obesity: Research suggests a link between obesity and the development of BPH.
- Certain Medications: Antihistamines and decongestants can make BPH symptoms worse by hindering urine flow or weakening the bladder.
Clinical Features (Symptoms)
- Urinary Frequency and Urgency: A strong, sudden urge to urinate, and needing to go often.
- Nocturia: Waking up frequently during the night to urinate.
- Weak Urine Stream: A slow, interrupted stream of urine.
- Hesitancy: Difficulty starting to urinate.
- Dribbling: Dribbling urine after finishing urination.
- Incomplete Emptying: A feeling that the bladder is not completely empty.
- Other Symptoms: Burning or pain during urination, blood in the urine (hematuria), or urinary tract infections (UTIs).
Diagnosis & Investigations
- Digital Rectal Exam (DRE): A doctor inserts a gloved finger into the rectum to feel the size and texture of the prostate gland.
- International Prostate Symptom Score (IPSS): A questionnaire to assess the severity of urinary symptoms.
- Urine Tests: To check for infections, blood, or other abnormalities.
- Blood Tests: To assess kidney function.
- Post-Void Residual (PVR) Ultrasound: Measures the amount of urine left in the bladder after urination.
- Uroflowmetry: A urine flow test to measure the strength of your urine stream.
- Cystoscopy: A procedure using a small scope to view inside the bladder and urethra, used for more severe cases.
Treatment
- Lifestyle Changes:Reducing fluid intake before bed, limiting alcohol and caffeine, and practicing bladder retraining.
- Medications:
- Alpha-blockers (e.g., tamsulosin): Relax the smooth muscles in the prostate and bladder to improve urine flow.
- 5-alpha-reductase inhibitors (e.g., finasteride): Shrink the prostate by blocking the conversion of testosterone to DHT.
- Minimally Invasive Procedures:Techniques that remove or destroy prostate tissue to widen the urethra.
- Surgery:For severe symptoms, procedures like transurethral resection of the prostate (TURP) remove excess prostate tissue.
Complications
- Urinary Retention: Inability to urinate, requiring immediate medical attention.
Overactive Bladder is one of the Diseases of Urinary System
Overactive Bladder (OAB) is a syndrome of urinary urgency, often with frequency and nocturia (waking at night to urinate), due to involuntary bladder contractions. Causes vary but include nerve damage, urinary tract infections, and certain medications. Diagnosis involves a history, physical exam, and urine analysis. Treatment includes lifestyle changes (diet, fluid management, pelvic floor exercises) and medications like antimuscarinics, but it’s not a normal part of aging and can be managed effectively with proper care.
Definition
Overactive Bladder (OAB) is a common collection of urinary symptoms characterized by:
- Urgency: A sudden, strong, and compelling desire to urinate that is difficult to postpone.
- Frequency: Needing to urinate more often than usual.
- Nocturia: Waking up one or more times during the night to urinate.
- Urge Incontinence: Leaking urine before reaching the toilet, which may or may not occur.
Causes
OAB is a neuromuscular problem where the detrusor muscle contracts inappropriately, leading to symptoms. Possible causes include:
- Neurological conditions: Damage or disruption in nerve signals between the brain, spinal cord, and bladder, such as from Parkinson’s disease or multiple sclerosis.
- Urinary tract infection (UTI): A UTI can sometimes mimic OAB symptoms.
- Hormonal changes: Especially in women after menopause, when estrogen levels decrease.
- Pelvic muscle weakness or spasms: Which can affect bladder control.
- Medications: Some medications can have OAB as a side effect.
- Constipation: Pressure from the bowel can exacerbate bladder symptoms.
- Diabetes and Obesity: Excess body weight can put pressure on the bladder.
Diagnosis
- Medical History: A doctor will ask about your symptoms, fluid intake, and diet.
- Physical Exam: A general physical exam is performed.
- Urine Analysis: To rule out infection, blood, or other pathological conditions.
- Bladder Diary: To track fluid intake, urination, and leakage episodes.
- Voiding Diary: A record of fluid intake and urine output.
- Postvoid Residual Volume: A test to check how much urine remains in the bladder after you urinate, to ensure the bladder empties well.
Investigations
- Cystoscopy: A procedure to examine the bladder lining.
- Urodynamic studies: Measures bladder pressure and function during filling and emptying.
Treatment
- Behavioral Therapies:
- Bladder retraining: Gradually increasing the time between bathroom visits.
- Pelvic floor muscle exercises (Kegel exercises): To strengthen the muscles that control urination.
- Fluid management: Avoiding excessive or insufficient fluid intake and limiting bladder irritants like caffeine, alcohol, and acidic foods.
- Managing constipation: Increasing dietary fiber and fluid intake.
- Medications: Antimuscarinic drugs can help relax the bladder muscle.
- Nerve Stimulation: Devices that stimulate nerves in the bladder can be an option.
- Lifestyle Changes: Maintaining a healthy weight and exercising regularly.
Complications
- Psychological Distress: Anxiety, stress, embarrassment, and depression can result from OAB.
- Social Isolation: Fear of leakage and constant trips to the bathroom can lead to withdrawal from social activities.
- Sleep Disruption: Nocturia interferes with sleep, leading to daytime fatigue.
Precaution
- Maintain a Healthy Weight: Losing weight can alleviate pressure on the bladder.
- Quit Smoking: Smoking can damage the nerves that control the bladder.
Kidney failure is one of the Diseases of Urinary System
Kidney failure occurs when kidneys can’t filter waste, caused by diabetes and high blood pressure, but also infections, genetic disorders, and certain medications. Symptoms include fatigue, swelling, and changes in urination. Diagnosis involves blood tests (creatinine, GFR) and imaging, like ultrasound. Treatment depends on the cause but may include dialysis or transplant for chronic failure, while acute failure may be reversible. Complications can include heart disease and fluid retention. Prevention focuses on managing diabetes and high blood pressure, maintaining a healthy lifestyle, and avoiding certain medications.
Causes
- Diabetes and High Blood Pressure:These are the most common causes of chronic kidney disease, which can lead to kidney failure.
- Glomerular Diseases:Conditions like IgA nephropathy or lupus can damage the kidneys’ filtering units.
- Genetic Conditions:Polycystic kidney disease (PKD) is a hereditary condition that causes cysts to form in the kidneys.
- Urinary Tract Obstructions:Blockages in the urinary tract, such as from kidney stones, can cause acute kidney failure.
- Acute Kidney Injuries:Factors like severe dehydration, blood loss, certain medications, and toxins can cause a sudden decline in kidney function.
- Other factors:Obesity, heart disease, infections, and smoking also increase the risk of kidney damage.
Clinical Features (Symptoms)
- Fatigue
- Swelling: (edema) in the feet, ankles, or legs
- Changes in urination: Urinating more or less than usual, or producing foamy urine
- Nausea and vomiting
- Muscle cramps
- Itchy skin
- Shortness of breath
- Brain fog or confusion
Diagnosis
- Blood Tests: To measure levels of creatinine and estimate the glomerular filtration rate (eGFR), which indicates how well the kidneys are filtering waste.
- Urine Tests: To check for protein or blood in the urine.
- Imaging Tests: Ultrasound, CT scans, or MRI to get detailed pictures of the kidneys.
- Kidney Biopsy: A small tissue sample is examined to determine the extent of damage and cause.
Treatment
- Treating the Underlying Cause:Managing diabetes, high blood pressure, or removing urinary tract obstructions.
- Medications:To control associated problems like high blood pressure and high cholesterol.
- Lifestyle Changes:Adopting a healthy diet, exercising regularly, maintaining a healthy weight, and avoiding smoking.
- Dialysis:In advanced cases, artificial filtering of the blood to remove waste products when kidneys can no longer function.
- Kidney Transplant:Replacing the damaged kidney with a donor kidney, a treatment option for end-stage kidney disease.
Complications
- Cardiovascular Problems: Heart disease and increased risk of heart attack.
- Fluid Retention: Leading to swelling, high blood pressure, and fluid in the lungs.
- Anemia: Due to a decrease in red blood cell production.
- Neurological Issues: Difficulty concentrating, personality changes, or seizures.
- Bone Disease: Weakened bones and increased risk of fractures.
- Infections: A weakened immune system can increase susceptibility to infections.
Prevention
- Control Diabetes and High Blood Pressure: Manage these conditions with medication and lifestyle changes to protect your kidneys.
- Adopt a Healthy Diet: Eat a balanced diet rich in fruits and vegetables.
- Maintain a Healthy Weight: Regular exercise and a healthy diet can help manage weight.
Polycystic Kidney Disease (PKD) is one of the Diseases of Urinary System
Polycystic Kidney Disease (PKD) is a genetic disorder causing fluid-filled cysts to grow in the kidneys, leading to enlarged kidneys and eventual kidney failure. Causes are primarily inherited gene mutations, with the common autosomal dominant type affecting adults. Clinical features include back/abdominal pain, high blood pressure, blood in urine, and urinary tract infections. Diagnosis involves ultrasound, CT, and MRI scans to identify cysts and assess kidney damage. Treatment focuses on managing symptoms, controlling blood pressure with ACE inhibitors or ARBs, and avoiding NSAIDs. Complications can include kidney failure, liver cysts, and brain aneurysms. Prevention of the disease itself is not possible due to its genetic nature, but managing the condition through diet, exercise, and medical care can help prevent complications.
Causes
- PKD is a genetic disorder caused by inherited gene mutations.
- The most common type is Autosomal Dominant Polycystic Kidney Disease (ADPKD), which is inherited.
- In rare cases, PKD can result from a new genetic mutation not inherited from a parent.
Clinical Features (Symptoms)
- Back or side pain and abdominal pain
- High blood pressure (hypertension)
- Blood in the urine (hematuria)
- Frequent urination or urinary tract infections (UTIs)
- Kidney stones
- Fatigue and pale skin color
- Large cysts in the liver or other organs
Diagnosis
- Ultrasound: A common initial test using sound waves to create images of the kidneys to detect cysts.
- CT scan: Uses X-rays to provide detailed images of the kidneys and their cysts.
- MRI scan: Uses magnetic fields and radio waves for detailed views of the kidneys, liver, and pancreas.
Treatment
- No cure:There is no cure for PKD, so treatment focuses on managing symptoms and slowing progression.
- Blood pressure control:Managing high blood pressure is a primary goal, often using ACE inhibitors or ARBs.
- Pain management:Acetaminophen (Tylenol) can be used for pain, but Non-Steroidal Anti-Inflammatory Agents (NSAIDs) should be avoided.
- Diet and fluids:A kidney-friendly diet low in sodium and staying well-hydrated can help.
- Antibiotics:Prompt treatment with antibiotics is important for urinary tract infections and infected cysts.
- Dialysis and transplantation:For end-stage kidney failure, dialysis and kidney transplantation may be necessary.
Complications
- Chronic kidney disease (CKD) and end-stage kidney disease (ESKD) requiring dialysis or transplant
- High blood pressure
- Cysts in the liver, pancreas, or other organs
- Increased risk of brain aneurysms
- Kidney stones and urinary tract infections
Prevention
- As a genetic disorder, PKD cannot be prevented.
- Genetic counseling may be beneficial for families with a history of PKD to understand the risks and inheritance patterns.
- Managing the condition effectively with appropriate medical care can help prevent complications.
Bladder cancer is one of the Diseases of Urinary System
Bladder cancer is characterized by symptoms such as painless blood in the urine and increased urinary frequency. Key risk factors include smoking and exposure to certain chemicals, especially in industries like dye, rubber, and leather. Diagnosis involves cystoscopy, urine analysis, and imaging tests. Treatment can range from transurethral resection of a bladder tumor (TURBT) for non-invasive cancers to surgery (cystectomy), chemotherapy, immunotherapy (e.g., BCG), and radiotherapy for more advanced cases. Early detection, often triggered by blood in the urine, is crucial for more effective treatment. Prevention centers on avoiding smoking and minimizing exposure to known carcinogens.
Causes & Risk Factors
- Smoking: The most significant risk factor, as the bladder filters harmful chemicals from cigarettes.
- Chemical Exposure: Occupational exposure to carcinogens found in dyes, rubber, leather, paint, and printing industries.
- Age and Gender: More common in older adults and men.
- Family History: A personal or family history of bladder cancer increases risk.
- Chronic Inflammation: Long-term bladder infections, irritation, or conditions like schistosomiasis can increase risk.
- Medical History: Previous radiation therapy or treatment with certain chemotherapy drugs like cyclophosphamide.
Clinical Features (Symptoms)
- Painless Blood in Urine (Hematuria): Often the first and most common symptom, causing urine to appear pink, red, or cola-colored.
- Increased Urination Frequency: Needing to urinate more often than usual.
- Burning or Pain During Urination: Discomfort or a burning sensation while urinating.
- Back Pain: Can occur if the tumor obstructs the upper urinary tract.
Diagnosis
- Cystoscopy:A doctor inserts a thin tube with a camera into the bladder to examine the lining.
- Urine Tests:Including urine analysis to check for blood and abnormal cells.
- Imaging Tests:Such as CT urograms to visualize the urinary tract and help stage the cancer.
- Biopsy:If an abnormality is found, a tissue sample is taken and examined under a microscope.
Treatment
- Transurethral Resection of a Bladder Tumor (TURBT):For early-stage cancers, a surgical procedure to remove the tumor.
- Intravesical Therapy:Chemotherapy or Bacillus Calmette-Guérin (BCG) immunotherapy medication is delivered directly into the bladder to prevent recurrence.
- Cystectomy:Surgical removal of the bladder, often a treatment for muscle-invasive or high-risk non-muscle-invasive bladder cancers.
- Chemotherapy:Used for more advanced or systemic cancers, sometimes given before surgery or with radiotherapy.
- Radiotherapy:Radiation treatment can be used as an alternative to surgery or in combination with chemotherapy.
- Systemic Therapies:Includes chemotherapy, immunotherapy, and targeted therapy for advanced disease.
Complications
- Recurrence: Bladder cancer can return, often requiring long-term surveillance and follow-up tests.
- Spread to Other Organs: Advanced cancer can spread to nearby lymph nodes or distant organs.
- Urinary Tract Problems: After bladder removal, changes in urination patterns or the need for a urine diversion are necessary.
Prevention
- Quit Smoking:Quitting smoking significantly reduces the risk of developing bladder cancer.
- Avoid Chemical Exposure:Minimizing contact with known bladder carcinogens, particularly in the workplace.
- Stay Hydrated:While not a direct prevention, drinking plenty of fluids may help dilute potential carcinogens in the urine.
Glomerulonephritis is one of the Diseases of Urinary System
Glomerulonephritis is kidney disease where glomeruli, the kidneys’ tiny filters, become inflamed and damaged, leading to impaired filtration of blood. It can stem from infections, autoimmune diseases, genetic conditions, or toxins, causing symptoms like foamy urine, high blood pressure, and swelling. Diagnosis involves urine and blood tests, imaging, and often a kidney biopsy, while treatment focuses on the underlying cause with medications (steroids, immunosuppressants), diet changes, and potentially dialysis. If untreated or progressive, it can lead to kidney failure, but prevention may involve managing infections and controlling blood pressure.
Causes
- Immune System Problems:Autoimmune conditions like systemic lupus erythematosus (SLE) or vasculitis can attack the glomeruli.
- Infections:Bacterial infections such as strep throat or viral infections like HIV and hepatitis C can trigger glomerulonephritis.
- Genetic Conditions:Inherited disorders can predispose individuals to the disease.
- Toxins and Drugs:Exposure to certain toxins or prolonged use of specific medications, such as some pain relievers (NSAIDs), can cause damage.
Clinical Features (Symptoms)
- Changes in Urine: Dark brown or foamy urine (due to blood and protein) and decreased urine output.
- Edema: Swelling of the face, hands, feet, and belly.
- High Blood Pressure: A common symptom of kidney dysfunction.
- Fatigue: A general feeling of tiredness and low energy.
- Other Symptoms: Jaundice, weight loss, nausea, and shortness of breath can also occur.
Diagnosis
- Blood Tests:To measure levels of waste products like creatinine and blood urea nitrogen, indicating kidney damage.
- Urine Tests:To detect protein, red blood cells, and red cell casts, which are signs of glomerular damage.
- Imaging Tests:Kidney X-rays, CT scans, or ultrasounds may be used to examine the kidneys.
- Kidney Biopsy:A small tissue sample is taken from the kidney for microscopic examination to determine the specific cause of the inflammation.
Treatment
- Antibiotics: To treat underlying infections, such as strep throat.
- Steroids and Immunosuppressants: Medications to control inflammation and suppress the immune system.
- Dietary Changes: Reducing fluid, protein, salt, and potassium intake.
- Dialysis: A machine-based process to filter waste products and excess fluid from the blood when kidneys are severely damaged.
- Plasmapheresis: A process for autoimmune conditions that removes harmful antibodies from the blood.
Complications
- Chronic Kidney Disease (CKD): Long-term, progressive damage to the kidneys.
- Kidney Failure: The most severe complication, where the kidneys are unable to perform their essential functions.
Prevention
- Treat Infections Promptly:Seek immediate medical attention for strep throat or other infections that could lead to glomerulonephritis.
- Safe Practices:Follow safe-sex guidelines and avoid intravenous drug use to prevent infections like HIV.
- Manage Chronic Conditions:Control high blood pressure and diabetes to protect kidney health.
- Limit Exposure:Avoid or limit exposure to certain toxins, mercury, and overuse of nonsteroidal anti-inflammatory drugs (NSAIDs).