Urology Practice Questions

Q: What is the treatment of choice for a patient with stage III non-seminomatous testicular tumor?

Chemotherapy. **Explanation:** The management of testicular tumors depends on the histological type (Seminoma vs. Non-Seminomatous Germ Cell Tumor - NSGCT) and the clinical stage. **Stage III NSGCT** indicates metastatic disease beyond the retroperitoneal nodes (e.g., supradiaphragmatic lymph nodes or visceral organs like the lungs). **Why Chemotherapy is the Treatment of Choice:** NSGCTs are highly chemosensitive but relatively radioresistant. For advanced stages (Stage IIB, IIC, and III), **platinum-based combination chemotherapy** is the gold standard. The standard regimen is **BEP (Bleomycin, Etoposide, and Cisplatin)**. Chemotherapy is used as the primary treatment to achieve systemic control of the disease. **Analysis of Incorrect Options:** * **Radiotherapy:** While Seminomas are exquisitely radiosensitive, **NSGCTs are radioresistant**. Radiotherapy has no role in the primary management of NSGCT. * **Surgery:** In Stage I NSGCT, Radical Orchidectomy followed by surveillance or Nerve-Sparing Retroperitoneal Lymph Node Dissection (RPLND) may be used. However, in Stage III, surgery is reserved for **residual masses** (>1 cm) that remain after the completion of chemotherapy. * **Hormonal Therapy:** This has no role in the management of germ cell tumors; it is primarily used in prostate cancer. **High-Yield Clinical Pearls for NEET-PG:** * **Tumor Markers:** NSGCTs often secrete **AFP** (Alpha-fetoprotein) and **beta-hCG**. Note: AFP is *never* elevated in pure seminomas. * **Most Common Site of Metastasis:** The first site of lymphatic spread is the **retroperitoneal lymph nodes** (Para-aortic). * **Post-Chemo Residual Mass:** If markers normalize but a mass >1cm remains in NSGCT, the next step is **RPLND** to rule out teratoma or viable tumor. * **Best Prognosis:** Seminoma; **Worst Prognosis:** Choriocarcinoma.

Q: A male patient sustained blunt trauma to the left side of the abdomen. How would you assess for kidney injury if the patient is hemodynamically stable?

CT scan. **Explanation:** In the management of blunt abdominal trauma, the gold standard for evaluating renal injuries in a **hemodynamically stable** patient is a **Contrast-Enhanced Computed Tomography (CECT) scan**. **Why CT Scan is the Correct Choice:** CECT is highly sensitive and specific. It allows for precise grading of renal injuries (AAST Grading I-V), identifies the presence and extent of retroperitoneal hematomas, and detects urinary extravasation. Most importantly, it assesses the functional status of both the injured and the contralateral kidney, which is vital for surgical planning. **Analysis of Incorrect Options:** * **Ultrasound (USG/FAST):** While useful for detecting free intraperitoneal fluid (hemoperitoneum), USG is poor at evaluating the retroperitoneum where the kidneys are located. It cannot reliably grade the injury or detect urinary leaks. * **X-ray:** Plain radiographs (KUB) are non-specific. They may show indirect signs like an absent psoas shadow or scoliosis, but they cannot diagnose the grade of renal trauma. * **MRI:** Although highly detailed, MRI is time-consuming, expensive, and impractical in an acute trauma setting. It is generally reserved for patients with iodine allergies or those who are pregnant. **High-Yield Clinical Pearls for NEET-PG:** * **Indications for Imaging in Renal Trauma:** 1. All blunt trauma with gross hematuria. 2. Blunt trauma with microscopic hematuria AND hypotension (SBP <90 mmHg). 3. All penetrating trauma with any degree of hematuria. * **Management Rule:** Most blunt renal injuries (Grades I-IV) in stable patients are managed **conservatively**. Absolute indications for surgery include hemodynamic instability or a Grade V shattered kidney with hilar avulsion. * **Pediatric Note:** Children are more prone to renal injury due to less perirenal fat and a less protected rib cage.

Q: Which of the following is NOT true about Prostate-Specific Antigen (PSA)?

Finasteride increases PSA levels.. **Explanation:** The correct answer is **C. Finasteride increases PSA levels.** This statement is false because Finasteride, a 5-alpha reductase inhibitor (5-ARI) used to treat BPH, actually **decreases** serum PSA levels by approximately **50%** after six months of treatment. It works by inhibiting the conversion of testosterone to dihydrotestosterone (DHT), leading to a reduction in prostatic volume and epithelial activity. **Analysis of Options:** * **Option A:** PSA is produced by both normal and hyperplastic prostatic epithelium. In **BPH**, the increased volume of prostatic tissue leads to an elevation in serum PSA levels. * **Option B:** PSA levels naturally **increase with age** due to the physiological enlargement of the prostate gland and increased basement membrane permeability. Age-specific reference ranges are often used to improve diagnostic accuracy. * **Option D:** **Metastatic prostate cancer** typically involves a high burden of malignant cells producing PSA, leading to significantly elevated serum levels, often exceeding 20–100 ng/mL. **High-Yield Clinical Pearls for NEET-PG:** * **The "Rule of Two":** When interpreting PSA in a patient on Finasteride or Dutasteride for >6 months, you must **multiply the measured PSA value by 2** to estimate the true baseline. * **PSA Density:** PSA value divided by prostate volume (measured via TRUS). A value **>0.15** is suspicious for malignancy. * **PSA Velocity:** An increase of **>0.75 ng/mL per year** is highly suggestive of cancer, even if the absolute value is within the normal range. * **Free-to-Total PSA Ratio:** A lower ratio (**<15-20%**) is associated with a higher risk of prostate cancer, whereas a higher ratio is seen in BPH.

Q: For the treatment of ectopic vesicles, which of the following bones is divided to reach the surgical site?

Iliac bone. **Explanation:** The question refers to the surgical management of **Exstrophy of the Bladder** (ectopic vesicae). The fundamental anatomical defect in this condition is a wide separation of the pubic symphysis, which leads to an outward rotation of the innominate bones and lateral displacement of the rectus abdominis muscles. **1. Why Iliac Bone is Correct:** To achieve a tension-free closure of the bladder, abdominal wall, and pelvic ring, a **bilateral iliac osteotomy** is performed. By dividing the iliac bones (usually posterior or transverse osteotomy), the surgeon can mobilize the pelvic halves medially. This allows the pubic bones to be brought together in the midline, facilitating the anatomical reconstruction of the bladder neck and the closure of the abdominal wall defect. **2. Why Other Options are Incorrect:** * **Pubic rami & Ischium bone:** While these are parts of the pelvic girdle, they are not the primary sites for osteotomy in exstrophy repair. Dividing these would not provide the necessary leverage or mobility required to rotate the pelvic wings inward effectively. * **Symphysis:** In ectopic vesicae, the symphysis is already widely separated (diastasis). The goal of the surgery is to *approximate* the symphysis, not to divide it further. **Clinical Pearls for NEET-PG:** * **Classic Triad of Exstrophy:** Epispadias, bifid clitoris/penis, and widely separated pubic symphysis. * **Radiological Sign:** The "Molar Tooth Sign" on imaging or a "widened pubic diastasis" on X-ray. * **Timing of Surgery:** Primary closure is ideally performed within the first 48–72 hours of life when the pelvis is still malleable (sometimes allowing closure without osteotomy). After 72 hours, iliac osteotomy becomes mandatory. * **Associated Finding:** Patients often have an "out-toeing" gait due to the external rotation of the acetabulum.

Q: Which of the following does not occur in unilateral renal trauma?

Uremia. **Explanation:** The correct answer is **Uremia (Option B)**. In the setting of **unilateral renal trauma**, the contralateral (opposite) kidney is typically healthy and functioning. A single normal kidney is more than capable of maintaining adequate glomerular filtration and excreting nitrogenous waste products. Therefore, serum urea and creatinine levels remain within normal limits. Uremia only occurs in renal trauma if there is pre-existing chronic kidney disease, bilateral renal injury, or injury to a solitary functioning kidney. **Analysis of Incorrect Options:** * **Hypertension (A):** This can occur due to the **"Page Kidney"** phenomenon. Compression of the renal parenchyma by a subcapsular or perinephric hematoma leads to activation of the Renin-Angiotensin-Aldosterone System (RAAS) due to relative ischemia. * **Clot formation (C):** Trauma often leads to bleeding into the collecting system. This results in hematuria, where blood can clot within the ureter (causing clot colic) or the bladder. * **Perinephric hematoma (D):** This is a hallmark of renal trauma (Grades II-V). Laceration of the renal parenchyma or vessels leads to blood accumulation within Gerota’s fascia. **NEET-PG High-Yield Pearls:** * **Investigation of Choice:** Contrast-Enhanced CT (CECT) is the gold standard for staging stable renal trauma. * **Management Trend:** Most renal injuries (Grades I-III and many IV) are managed **conservatively**. * **Absolute Indication for Surgery:** Hemodynamic instability due to renal hemorrhage or an expanding/pulsatile hematoma. * **Most Common Organ Injured in Blunt Trauma:** Spleen (overall), but Kidney is the most common urogenital organ injured.

Q: What is the investigation of choice for advanced renal tuberculosis?

CT. **Explanation:** **1. Why CT is the Correct Answer:** Contrast-Enhanced Computed Tomography (CECT) is currently the **investigation of choice** for advanced renal tuberculosis (GU-TB). In advanced stages, CT provides superior anatomical detail regarding parenchymal destruction, cortical thinning, and the extent of calcification. It is highly sensitive for detecting "Putty Kidney" (autonephrectomy) and identifying extra-renal involvement, such as psoas abscesses or lymphadenopathy. CT Urography (CTU) has largely replaced conventional IVP as it can visualize both the renal parenchyma and the collecting system simultaneously, even in poorly functioning kidneys. **2. Why Other Options are Incorrect:** * **IVP (Intravenous Pyelogram):** Historically, IVP was the gold standard for early GU-TB (detecting "moth-eaten" calyces). However, in **advanced** disease, the kidney is often non-functional or poorly excreting, making IVP non-diagnostic and obsolete compared to CT. * **USG (Ultrasonography):** While useful for screening hydronephrosis or large masses, it lacks the specificity to differentiate TB from other chronic pyelonephritic changes and cannot accurately map the extent of the disease for surgical planning. * **MRI:** Generally reserved for patients with renal failure or contrast allergies. It is not the primary choice due to higher costs and lower sensitivity in detecting fine calcifications compared to CT. **3. Clinical Pearls for NEET-PG:** * **Earliest Radiological Sign:** "Moth-eaten" appearance of calyces (due to erosions) on IVP. * **Pathognomonic Sign:** Thimble bladder (small capacity, fibrotic bladder). * **Putty Kidney:** A classic end-stage feature representing a non-functioning, calcified kidney (autonephrectomy). * **Sterile Pyuria:** The hallmark laboratory finding (pus cells in urine but negative routine culture). Always rule out TB.

Question 1

Ectopic testis is found in all locations except?

Accepted Answer

Perineal

Answer

Lumbar

Answer

Intra-abdominal

Answer

Inguinal

Question 2

What is the treatment of choice for a patient with stage III non-seminomatous testicular tumor?

Accepted Answer

Chemotherapy

Answer

Radiotherapy

Answer

Hormonal therapy

Answer

Surgery

Question 3

All are true about bulbar urethral rupture, except?

Accepted Answer

Floating prostate on per rectal examination

Answer

Perineal hematoma

Answer

Collection of urine in the perineum

Answer

Bleeding per urethra

Question 4

A male patient sustained blunt trauma to the left side of the abdomen. How would you assess for kidney injury if the patient is hemodynamically stable?

Accepted Answer

CT scan

Answer

Ultrasound (USG)

Answer

X-ray

Answer

MRI

Question 5

Thimble bladder is seen in all conditions except?

Accepted Answer

Benign Prostatic Hyperplasia (BPH)

Answer

Tuberculosis

Answer

Malignancy

Answer

Schistosomiasis

Question 6

Which of the following is NOT true about Prostate-Specific Antigen (PSA)?

Accepted Answer

Finasteride increases PSA levels.

Answer

PSA levels increase in Benign Prostatic Hyperplasia (BPH).

Answer

PSA levels increase with age.

Answer

Metastatic prostate cancer increases PSA levels.

Question 7

For the treatment of ectopic vesicles, which of the following bones is divided to reach the surgical site?

Accepted Answer

Iliac bone

Answer

Pubic rami

Answer

Ischium bone

Answer

Symphysis

Question 8

Which of the following does not occur in unilateral renal trauma?

Accepted Answer

Uremia

Answer

Hypertension

Answer

Clot formation

Answer

Perinephric hematoma

Question 9

Which of the following is a normal finding during cystometry?

Accepted Answer

Absence of systolic detrusor contraction

Answer

Residual volume of 75 ml

Answer

Leakage on coughing

Answer

First sensation of urination at 300 ml

Question 10

What is the investigation of choice for advanced renal tuberculosis?

Accepted Answer

CT

Answer

IVP

Answer

USG

Answer

MRI

Urology — MCQs

Urology — MCQs

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