Urology Practice Questions

Q: Assessment in suspected prostate cancer should include ALL EXCEPT?

Intravenous urogram (IVU). ### Explanation The assessment of suspected prostate cancer focuses on **diagnosis**, **risk stratification**, and **staging**. **Why Intravenous Urogram (IVU) is the Correct Answer:** IVU is a functional study used to visualize the collecting system of the kidneys, ureters, and bladder. While it was historically used to check for ureteric obstruction or bladder floor elevation (the "J-shaped" or "fish-hook" ureter) caused by an enlarged prostate, it provides **no diagnostic or staging information** regarding the malignancy itself. In modern urology, IVU has been largely replaced by CT Urography and has no role in the standard workup of prostate cancer. **Analysis of Other Options:** * **TRUS-guided Biopsy:** This is the traditional gold standard for obtaining a tissue diagnosis. It allows for systematic sampling (usually 12 cores) to determine the **Gleason Score**. * **Cross-sectional MRI:** Specifically **Multiparametric MRI (mpMRI)** is now the preferred initial investigation. It helps in local staging (T-staging), identifying extracapsular extension, and guiding targeted biopsies (MRI-TRUS fusion). * **Bone Scan:** Prostate cancer is highly osteoblastic. A Technetium-99m MDP bone scan is the standard investigation to rule out distant **skeletal metastasis** in patients with high PSA levels (>20 ng/ml) or high-grade tumors. ### High-Yield Clinical Pearls for NEET-PG * **Screening:** Digital Rectal Examination (DRE) and Serum PSA are the primary screening tools. * **Most Common Site:** 70% of prostate cancers arise in the **Peripheral Zone**. * **Metastasis:** The most common site of distant spread is the **bone** (specifically the lumbar spine via Batson’s venous plexus), typically presenting as **osteoblastic** lesions. * **Definitive Diagnosis:** Histopathological examination via biopsy is mandatory before definitive treatment.

Q: A 20-year-old female presented to the emergency department with high-grade swinging fever, abdominal tenderness, and a flank mass. On CT, there was a collection around the kidney. Antibiotics were started, but the patient's condition did not improve after 48 hours. What is the next best treatment option?

Percutaneous drainage under CT guidance. ### Explanation The clinical presentation of high-grade swinging fever, flank mass, and tenderness, combined with CT findings of a collection around the kidney, is diagnostic of a **Perinephric Abscess**. **1. Why Percutaneous Drainage (PCD) is the Correct Choice:** The standard management for a renal or perinephric abscess follows a step-wise approach. While small abscesses (<3 cm) may respond to intravenous antibiotics alone, larger collections or those failing to respond to medical therapy within 48–72 hours require **active drainage**. Percutaneous drainage under CT or ultrasound guidance is the **first-line intervention** because it is minimally invasive, allows for culture-specific antibiotic adjustment, and has a high success rate with lower morbidity compared to open surgery. **2. Why Other Options are Incorrect:** * **Open Surgical Drainage:** This is reserved for cases where percutaneous drainage fails, the abscess is multiloculated, or the collection is extremely viscous. It is not the initial procedural step. * **Nephrectomy:** This is a radical measure only indicated if the kidney is non-functional (e.g., due to chronic xanthogranulomatous pyelonephritis) or if there is uncontrollable sepsis despite drainage. * **Observation and Follow-up:** The patient is clinically deteriorating ("swinging fever," no improvement after 48 hours of antibiotics). Continued observation without intervention leads to high mortality. **Clinical Pearls for NEET-PG:** * **Most common cause:** Ascending urinary tract infection (E. coli, Proteus) or hematogenous spread (S. aureus). * **Triad of Perinephric Abscess:** Fever, flank pain, and a palpable mass. * **Imaging of Choice:** Contrast-Enhanced CT (CECT) is the gold standard for diagnosis and staging. * **Rule of Thumb:** If an "obstructed" kidney is infected (pyonephrosis), the immediate priority is **decompression** (via PCN or DJ stenting).

Q: Which of the following is a common presentation of genitourinary tuberculosis in a male patient?

Bacteriuria without pyuria. **Explanation:** Genitourinary Tuberculosis (GUTB) is the second most common site of extrapulmonary tuberculosis. The hallmark clinical finding in GUTB is **Sterile Pyuria** (pus cells in the urine without growth on standard culture media). However, the classic presentation described in this context is **Bacteriuria without Pyuria** (or more accurately, the presence of *Mycobacterium tuberculosis* bacilli in the urine without a significant neutrophilic response in early or specific stages). *Note: While "Sterile Pyuria" is the most famous association, NEET-PG often tests the presence of the organism (bacteriuria) in the absence of common pyogenic bacteria.* **Analysis of Options:** * **Option B (Correct):** In GUTB, the urine is acidic. While pyuria is common, the "bacteriuria" refers to the shedding of tubercle bacilli. The absence of common pyogenic organisms on routine culture makes it a distinctive feature. * **Option A:** Incorrect. Tuberculous epididymitis typically presents as a **painless**, "beaded," or "knobby" enlargement of the epididymis, often associated with a thickened vas deferens. * **Option C:** Incorrect. GUTB leads to destructive lesions like "moth-eaten" calyces, infundibular strictures, and eventually a "putty kidney" (autonephrectomy), rather than simple unilateral cysts. * **Option D:** Incorrect. While hematuria can occur, it is usually a late feature. Sterile pyuria is a far more consistent and "common" diagnostic clue. **High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard Diagnosis:** Culture on **Lowenstein-Jensen (LJ) medium** (takes 6–8 weeks). * **Earliest Radiological Sign:** Erosion of the tips of the papillae (moth-eaten appearance of calyces) on IVP. * **Thimble Bladder:** A small-capacity, fibrotic, contracted bladder resulting from chronic TB cystitis. * **Golf-hole Ureter:** A gaping, retracted ureteric orifice due to fibrosis.

Q: Which of the following statements about paraphimosis is true?

All of the above. **Explanation:** **Paraphimosis** is a urological emergency where the prepuce (foreskin), once retracted behind the glans penis, cannot be reduced to its normal position. This leads to a tight constricting ring that impairs venous and lymphatic drainage, causing progressive edema of the glans and prepuce. **Why "All of the above" is correct:** * **Option A (Induced by urinary catheter):** This is a classic clinical scenario. During urethral catheterization, the foreskin is retracted to clean the glans. If the healthcare provider forgets to pull the foreskin back over the glans after the procedure, paraphimosis develops. * **Option B (Circumcision):** While manual reduction is the first-line treatment, **circumcision** (or a dorsal slit) is the definitive surgical treatment to prevent recurrence once the acute inflammation and edema have subsided. * **Option C (Hyaluronidase injection):** This is an adjunct medical management technique. Injecting hyaluronidase into the edematous prepuce breaks down hyaluronic acid, facilitating the rapid dispersion of extracellular fluid and making manual reduction easier. **High-Yield Clinical Pearls for NEET-PG:** 1. **Phimosis vs. Paraphimosis:** Phimosis is the inability to retract the foreskin; Paraphimosis is the inability to *reduce* a retracted foreskin. 2. **Emergency Status:** Paraphimosis is a surgical emergency because it can lead to arterial occlusion and **glans gangrene** if left untreated. 3. **Initial Management:** Manual compression of the glans (to reduce edema) followed by the **Dundee technique** (multiple needle punctures to drain fluid) or osmotic agents (granulated sugar/ice packs) are often tested. 4. **Definitive Management:** Dorsal slit (emergency) or Circumcision (elective/definitive).

Q: Persistent urachus is a risk factor for which type of bladder cancer?

Adenocarcinoma of the bladder. **Explanation:** The urachus is a fibrous remnant of the **allantois**, which normally obliterates to form the median umbilical ligament. It is lined by **glandular epithelium** (columnar epithelium). When the urachus fails to obliterate (persistent urachus), this glandular lining can undergo malignant transformation. Because the tissue of origin is glandular, the resulting malignancy is almost exclusively **Adenocarcinoma**. **Why the other options are incorrect:** * **Transitional Cell Carcinoma (TCC):** This is the most common type of bladder cancer overall (90%), arising from the urothelium. However, it is associated with smoking and aniline dyes, not urachal remnants. * **Squamous Cell Carcinoma (SCC):** This is typically associated with chronic irritation, such as **Schistosomiasis (Bilharziasis)** infection or long-term indwelling catheters/bladder stones. * **Undifferentiated Carcinoma:** This is a rare, aggressive form of bladder cancer that lacks specific histological features of the other types and is not specifically linked to urachal anomalies. **Clinical Pearls for NEET-PG:** * **Location:** Urachal adenocarcinoma typically occurs at the **dome of the bladder** (the most common site for this specific subtype). * **Classic Presentation:** A patient presenting with **mucusuria** (mucus in urine) and a midline mass between the umbilicus and the symphysis pubis. * **Rule of Thumb:** While TCC is the most common bladder cancer generally, **Adenocarcinoma** is the most common cancer found in a **persistent urachus** or **exstrophy of the bladder**. * **Management:** Requires radical cystectomy with en bloc resection of the urachal ligament and umbilicus.

Q: A patient presents with a 'bag of worms' sensation in the scrotum. What is the most likely diagnosis?

Varicocele. **Explanation:** **Varicocele** is the correct diagnosis. It refers to the abnormal dilation and tortuosity of the pampiniform plexus of veins within the spermatic cord. The classic clinical description of a **"bag of worms"** sensation is due to these engorged, palpable veins. It is most commonly found on the **left side** (approx. 90%) due to the left testicular vein entering the left renal vein at a right angle, leading to increased hydrostatic pressure. **Why the other options are incorrect:** * **Hydrocele:** This is a collection of fluid within the tunica vaginalis. It presents as a smooth, fluctuant, non-tender swelling that **transilluminates** brightly, unlike the "worm-like" texture of a varicocele. * **Torsion of Testis:** This is a surgical emergency characterized by sudden, agonizing pain, a high-riding testis, and a negative Prehn’s sign. It does not present with a chronic "bag of worms" sensation. * **Congenital Hernia:** An indirect inguinal hernia presents as a swelling that may extend into the scrotum. It typically has an expansile cough impulse and is reducible, rather than feeling like a cluster of veins. **High-Yield Clinical Pearls for NEET-PG:** * **Infertility:** Varicocele is the most common reversible cause of male infertility (due to increased scrotal temperature and oxidative stress). * **Diagnosis:** Gold standard is **Color Doppler Ultrasound**. * **Grading:** Grade I (palpable only during Valsalva), Grade II (palpable while standing), Grade III (visible through scrotal skin). * **Red Flag:** A sudden onset, right-sided varicocele in an older man should raise suspicion of **Renal Cell Carcinoma (RCC)** obstructing the IVC.

Q: A 55-year-old smoker presents with a history of 5 episodes of macroscopic hematuria, each lasting for about 4-5 days in the past 5 years. Which of the following investigations should be performed to evaluate the suspected cause?

Urine microscopy and cytology. The clinical presentation of **painless macroscopic hematuria** in an elderly smoker is highly suggestive of **Transitional Cell Carcinoma (TCC)** of the bladder (Urothelial Carcinoma). Smoking is the most significant risk factor for bladder cancer. **Why Option A is Correct:** **Urine cytology** is the primary non-invasive screening tool for detecting malignant cells shed from the urothelium. While cystoscopy is the gold standard for diagnosis, urine cytology has high specificity for detecting high-grade tumors and Carcinoma in Situ (CIS). **Urine microscopy** is essential to confirm the presence of RBCs and rule out other causes like infection (pyuria) or glomerular disease (dysmorphic RBCs). **Analysis of Incorrect Options:** * **B. X-ray KUB:** This is primarily used to detect radiopaque renal calculi. It has no role in diagnosing soft tissue malignancies of the bladder. * **C. US KUB:** While ultrasound can detect large bladder masses, it often misses small lesions or CIS. It is a supportive tool but less specific for malignancy than cytology. * **D. DTPA Scan:** This is a nuclear medicine study used to evaluate the **Glomerular Filtration Rate (GFR)** and renal perfusion. It provides functional data, not structural or cytological details required for cancer diagnosis. **NEET-PG High-Yield Pearls:** * **Most common site for TCC:** Urinary Bladder (Trigone area). * **Histology:** The bladder is lined by **Transitional Epithelium (Urothelium)**, characterized by

Q: A 35-year-old premenopausal patient has recently developed a 1.5 cm pigmented lesion on her back. Which of the following forms of tissue diagnosis will you recommend?

Excision biopsy. **Explanation:** The clinical presentation of a **pigmented lesion** (especially one that is 1.5 cm) must be managed with a high index of suspicion for **Malignant Melanoma**. **1. Why Excision Biopsy is the Correct Choice:** For any suspicious pigmented lesion, the gold standard for diagnosis is an **Excisional Biopsy** with a narrow margin (typically 1–3 mm). The primary reason is that the prognosis and surgical management of melanoma are determined by the **Breslow Depth** (vertical thickness of the tumor). An excisional biopsy provides the pathologist with the entire architecture of the lesion to measure this depth accurately. **2. Why Other Options are Incorrect:** * **Needle Biopsy (FNA) & Trucut Biopsy:** These are contraindicated for primary pigmented lesions. They provide only a small tissue sample, which may lead to **sampling errors** and, more importantly, fail to provide the full thickness required to determine the Breslow depth. * **Incisional Biopsy:** This involves removing only a portion of the lesion. It is generally avoided because it may miss the thickest part of the tumor and theoretically risks "seeding" or disrupting the local lymphatics, though the primary concern remains inaccurate staging. It is only reserved for very large lesions in cosmetically sensitive areas (e.g., face or subungual). **Clinical Pearls for NEET-PG:** * **Breslow Thickness:** The most important prognostic factor in cutaneous melanoma. * **Safety Margins:** Once melanoma is confirmed via excision biopsy, a **Wide Local Excision (WLE)** is performed with margins based on the Breslow depth (e.g., 1 cm margin for depth 2 mm). * **ABCDE Criteria:** Remember the signs of melanoma—**A**symmetry, **B**order irregularity, **C**olor variegation, **D**iameter >6 mm, and **E**volving.

Q: A child presents with severe scrotal pain and a history suggestive of testicular torsion. What is the definitive management?

Surgical exploration and detorsion. ### Explanation **1. Why Option D is Correct:** Testicular torsion is a **surgical emergency** caused by the twisting of the spermatic cord, leading to venous occlusion followed by arterial compromise and testicular ischemia. The "Golden Period" for salvage is within **6 hours** of symptom onset. Definitive management requires immediate **surgical exploration**. During surgery, the testis is detorsed; if viable, a bilateral **orchidopexy** (fixation of both testes) is performed because the anatomical defect (e.g., Bell-clapper deformity) is usually bilateral. If the testis is gangrenous, an orchidectomy is performed. **2. Why Other Options are Incorrect:** * **Option A (Elevation of testes):** This refers to **Prehn’s sign**. While elevation may relieve pain in epididymo-orchitis (Positive Prehn's), it typically exacerbates pain in torsion (Negative Prehn's). Regardless, it is a diagnostic physical sign, not a treatment. * **Option B (Rest and antibiotics):** This is the management for acute epididymo-orchitis. Delaying surgery in torsion to trial antibiotics leads to testicular necrosis. * **Option C (Scrotal hypothermia):** Cooling does not resolve the mechanical twist or restore blood flow; it has no role in definitive management. **3. NEET-PG High-Yield Pearls:** * **Most common age:** Bimodal distribution (Neonatal period and Puberty). * **Diagnosis:** Primarily clinical. **Color Doppler Ultrasound** is the investigation of choice (shows decreased/absent flow), but surgery should not be delayed for imaging if clinical suspicion is high. * **Reflex:** The **Cremasteric reflex** is characteristically absent in torsion. * **Manual Detorsion:** Performed via the "Open Book" maneuver (rotating the testis from medial to lateral), but this is only a temporizing measure before definitive surgery.

Question 1

Assessment in suspected prostate cancer should include ALL EXCEPT?

Accepted Answer

Intravenous urogram (IVU)

Answer

Transrectal ultrasound-guided biopsy (TRUS)

Answer

Cross-sectional MRI imaging

Answer

Bone scan

Question 2

A 20-year-old female presented to the emergency department with high-grade swinging fever, abdominal tenderness, and a flank mass. On CT, there was a collection around the kidney. Antibiotics were started, but the patient's condition did not improve after 48 hours. What is the next best treatment option?

Accepted Answer

Percutaneous drainage under CT guidance

Answer

Open surgical drainage

Answer

Nephrectomy

Answer

Observation and follow-up

Question 3

Which of the following is used for the prevention of struvite stones?

Accepted Answer

Acetohydroxamic acid

Answer

Urine alkalinizer

Answer

Tiopronin

Answer

D-Penicillamine

Question 4

Which of the following is a common presentation of genitourinary tuberculosis in a male patient?

Accepted Answer

Bacteriuria without pyuria

Answer

Painful and tender epididymis

Answer

Renal cysts (unilateral)

Answer

Microscopic hematuria

Question 5

Which of the following statements about paraphimosis is true?

Accepted Answer

All of the above

Answer

It can be induced by a urinary catheter.

Answer

Circumcision is a treatment for paraphimosis.

Answer

Hyaluronidase injection is a treatment for paraphimosis.

Question 6

Persistent urachus is a risk factor for which type of bladder cancer?

Accepted Answer

Adenocarcinoma of the bladder

Answer

Transitional cell carcinoma of the bladder

Answer

Squamous cell carcinoma of the bladder

Answer

Undifferentiated carcinoma of the bladder

Question 7

A patient presents with a 'bag of worms' sensation in the scrotum. What is the most likely diagnosis?

Accepted Answer

Varicocele

Answer

Hydrocele

Answer

Torsion of testis

Answer

Congenital hernia

Question 8

A 55-year-old smoker presents with a history of 5 episodes of macroscopic hematuria, each lasting for about 4-5 days in the past 5 years. Which of the following investigations should be performed to evaluate the suspected cause?

Accepted Answer

Urine microscopy and cytology

Answer

X-ray KUB

Answer

US KUB

Answer

DTPA scan

Question 9

A 35-year-old premenopausal patient has recently developed a 1.5 cm pigmented lesion on her back. Which of the following forms of tissue diagnosis will you recommend?

Accepted Answer

Excision biopsy

Answer

Needle biopsy

Answer

Trucut biopsy

Answer

Incisional biopsy

Question 10

A child presents with severe scrotal pain and a history suggestive of testicular torsion. What is the definitive management?

Accepted Answer

Surgical exploration and detorsion

Answer

Elevation of the testes to relieve pain

Answer

Rest and antibiotics

Answer

Scrotal hypothermia

Urology — MCQs

Urology — MCQs

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