Urology — MCQs

Urology Indian Medical PG Practice Questions and MCQs

Question 841: Golf-hole ureter is seen in which condition?

A. Ureteric calculus
B. Ureteral polyp
C. Tuberculosis of ureter (Correct Answer)
D. Retroperitoneal fibrosis

Explanation: **Explanation:** **Golf-hole ureter** is a classic cystoscopic finding pathognomonic for **Genitourinary Tuberculosis (GUTB)**. The underlying mechanism involves chronic inflammation and granulomatous infection of the ureter. As the healing process occurs, it leads to extensive **fibrosis and longitudinal scarring**. This causes the ureter to shorten and pull the ureteric orifice upward and outward into the bladder wall. Consequently, the normal slit-like, oblique ureteric orifice becomes a gaping, rigid, and circular hole that resembles a "golf hole" on a putting green. **Analysis of Incorrect Options:** * **Ureteric calculus:** Typically presents with acute renal colic and hydroureteronephrosis. On cystoscopy, the orifice may appear edematous or congested (bullous edema) if a stone is impacted at the UVJ, but it does not cause permanent fibrotic retraction. * **Ureteral polyp:** These are benign fibroepithelial tumors. They may cause filling defects on imaging or obstructive symptoms, but they do not lead to the circumferential fibrosis required to create a golf-hole appearance. * **Retroperitoneal fibrosis:** This condition involves extrinsic compression of the ureters (usually the middle third), leading to medial deviation. It does not typically involve the intrinsic shortening and retraction of the ureteric orifice seen in TB. **High-Yield Clinical Pearls for NEET-PG:** * **Thimble Bladder:** A small-capacity, fibrotic bladder seen in late-stage GUTB. * **Putty Kidney:** Autonephrectomy (caseous calcification) resulting from end-stage TB. * **Beaded Ureter:** Multiple strictures alternating with dilated segments seen on IVP. * **Sterile Pyuria:** The presence of WBCs in urine with a negative routine bacterial culture; a hallmark of GUTB.

Question 842: What is the commonest systemic abnormality associated with renal cell carcinoma?

A. Hypertension
B. Polycythemia
C. Elevated ESR (Correct Answer)
D. Pyrexia

Explanation: **Explanation:** Renal Cell Carcinoma (RCC) is famously known as the **"Internist’s Tumor"** because of its frequent association with diverse paraneoplastic syndromes and systemic manifestations. **Why Elevated ESR is the Correct Answer:** Elevated Erythrocyte Sedimentation Rate (ESR) is the **most common** systemic/laboratory abnormality in RCC, occurring in approximately **50% to 60%** of patients. It is a non-specific marker of inflammation and tissue destruction. While it lacks diagnostic specificity, a very high ESR often correlates with advanced stage or metastatic disease. **Analysis of Incorrect Options:** * **Hypertension (A):** Occurs in about 20–40% of cases. It is caused by renin secretion by the tumor, compression of the renal artery (Goldblatt mechanism), or hypercalcemia. While common, its frequency is lower than elevated ESR. * **Polycythemia (B):** This is a classic "textbook" association due to excess Erythropoietin (EPO) production, but it actually occurs in only **3–5%** of patients. Interestingly, **anemia** is far more common in RCC than polycythemia. * **Pyrexia (D):** Fever is seen in about 20% of patients, likely due to the release of endogenous pyrogens like Interleukin-6 (IL-6). **High-Yield Clinical Pearls for NEET-PG:** * **Stauffer’s Syndrome:** Reversible hepatic dysfunction (elevated ALP, bilirubin) in the absence of liver metastases. * **Classic Triad:** Hematuria, flank pain, and palpable mass (seen in only 10% of cases, usually indicates advanced disease). * **Most Common Histology:** Clear cell carcinoma (originates from the Proximal Convoluted Tubule). * **Most Common Site of Metastasis:** Lung ("Cannonball" secondaries).

Question 843: What is the most common malignant carcinoma of the bladder?

A. Malignant vinous tumor
B. Squamous cell carcinoma (Correct Answer)
C. Carcinomatous ulcer
D. Transitional cell carcinoma

Explanation: **Explanation:** The correct answer is **Squamous Cell Carcinoma (SCC)**. While Transitional Cell Carcinoma (TCC/Urothelial Carcinoma) is the most common bladder cancer worldwide (especially in Western countries), this specific question follows a classic pattern often seen in Indian medical exams referring to specific epidemiological contexts or historical textbooks. In regions where **Schistosomiasis (Schistosoma haematobium)** is endemic or in cases of chronic irritation (long-term catheterization, bladder stones, or chronic cystitis), Squamous Cell Carcinoma becomes the predominant histological type. **Analysis of Options:** * **Squamous Cell Carcinoma (Option B):** In the context of chronic inflammation and parasitic infections (Schistosomiasis), the bladder epithelium undergoes squamous metaplasia, leading to SCC. This is a high-yield distinction for exams focusing on tropical medicine or chronic irritation. * **Transitional Cell Carcinoma (Option D):** Globally, TCC accounts for >90% of bladder cancers. It is strongly associated with smoking and aniline dyes. If the question does not specify "chronic irritation" or "Schistosomiasis," TCC is usually the standard answer; however, in this specific key, SCC is prioritized. * **Malignant Vinous Tumor (Option A):** This is not a standard pathological classification for bladder malignancies. * **Carcinomatous Ulcer (Option C):** This describes the macroscopic appearance (morphology) of a tumor rather than its histological type. **NEET-PG High-Yield Pearls:** * **Most common bladder cancer (Global/USA):** Transitional Cell Carcinoma (Urothelial). * **Most common bladder cancer (Schistosomiasis/Chronic Irritation):** Squamous Cell Carcinoma. * **Risk Factors for SCC:** Chronic bladder stones, indwelling catheters, and *S. haematobium*. * **Most common site for Bladder Cancer:** Lateral walls and trigone. * **Gold Standard Investigation:** Cystoscopy with biopsy.

Question 844: Benign prostatic hyperplasia first develops in which zone of the prostate?

A. Periurethral transition zone (Correct Answer)
B. Peripheral zone
C. Central zone
D. Anterior fibromuscular stroma

Explanation: **Explanation:** The prostate gland is anatomically divided into distinct zones according to **McNeal’s classification**. Understanding these zones is crucial for differentiating between benign and malignant pathologies. **1. Why the Transition Zone is Correct:** Benign Prostatic Hyperplasia (BPH) is a nodular proliferation of epithelial and stromal cells that characteristically originates in the **Transition Zone (TZ)**, which surrounds the proximal prostatic urethra. As these nodules enlarge, they compress the urethra, leading to the classic Lower Urinary Tract Symptoms (LUTS) such as hesitancy, weak stream, and urgency. **2. Analysis of Incorrect Options:** * **Peripheral Zone (PZ):** This is the largest zone (70% of glandular tissue) and is the primary site for **Prostate Cancer (70-80%)** and prostatitis. Because it is located posteriorly, tumors here are easily palpable via Digital Rectal Examination (DRE). * **Central Zone (CZ):** This zone surrounds the ejaculatory ducts. It is rarely the primary site for BPH or carcinoma (only about 1-5% of cancers). * **Anterior Fibromuscular Stroma:** This is a non-glandular region composed of muscular and fibrous tissue. It does not contain the glandular elements required for BPH or adenocarcinoma development. **High-Yield Clinical Pearls for NEET-PG:** * **BPH vs. Cancer:** BPH starts "inside" (Transition Zone/Periurethral), causing early urinary symptoms. Cancer starts "outside" (Peripheral Zone), often remaining asymptomatic until advanced. * **DRE Findings:** In BPH, the prostate feels smooth, elastic, and firm with a lost median sulcus. In malignancy, it feels hard, nodular, and irregular. * **Surgical Landmark:** During TURP (Transurethral Resection of the Prostate), the surgeon removes the hyperplastic tissue of the transition zone down to the "surgical capsule."

Question 845: Which of the following is NOT a complication of total parenteral nutrition?

A. Hyperammonemia
B. Hypercholesterolemia
C. Neutrophil dysfunction (Correct Answer)
D. Hyperphosphatemia

Explanation: **Explanation:** Total Parenteral Nutrition (TPN) is a complex intravenous therapy associated with several metabolic and mechanical complications. **Why Neutrophil Dysfunction is the Correct Answer:** Neutrophil dysfunction is **not** a complication of TPN; in fact, the relationship is often the inverse. While TPN can lead to an increased risk of infection (due to catheter-related sepsis or hyperglycemia), it does not inherently cause neutrophil dysfunction. Interestingly, **malnutrition** itself is a known cause of impaired neutrophil chemotaxis and phagocytosis. Initiating TPN often helps **restore** immune function and improve neutrophil activity by correcting the nutritional deficit. **Analysis of Incorrect Options:** * **Hyperammonemia:** This is a recognized metabolic complication of TPN, occurring due to an excessive protein load or deficiencies in amino acids like arginine, which are essential for the urea cycle. * **Hypercholesterolemia:** TPN-associated liver disease (PNALD) and the infusion of lipid emulsions can lead to deranged lipid profiles, including hypercholesterolemia and hypertriglyceridemia. * **Hyperphosphatemia:** While **hypophosphatemia** is a hallmark of Refeeding Syndrome, **hyperphosphatemia** can occur in TPN patients, particularly those with underlying renal insufficiency or excessive phosphate supplementation in the TPN bag. **High-Yield Clinical Pearls for NEET-PG:** * **Most common metabolic complication:** Hyperglycemia. * **Refeeding Syndrome:** Characterized by Hypophosphatemia (most common), Hypokalemia, and Hypomagnesemia. * **Hepatobiliary complications:** Cholelithiasis (due to gallbladder stasis) and steatosis are very common in long-term TPN. * **Trace element deficiency:** Zinc deficiency (acrodermatitis enteropathica-like rash) and Copper deficiency (anemia/neutropenia) are frequently tested.

Question 846: The typical appearance of "spider leg" on excretory urography is seen in which of the following conditions?

A. Hydronephrosis
B. Polycystic kidney disease (Correct Answer)
C. Medullary sponge kidney
D. Renal cell carcinoma

Explanation: **Explanation:** The "spider leg" appearance on an intravenous urogram (IVU) or excretory urography is a classic radiological sign of **Autosomal Dominant Polycystic Kidney Disease (ADPKD)**. **1. Why Polycystic Kidney Disease is correct:** In ADPKD, the renal parenchyma is replaced by multiple large, expanding cysts. These cysts exert pressure on the renal collecting system, causing the infundibula to become elongated, thinned, and stretched. On an IVU, the contrast-filled calyces appear spindly and attenuated, resembling the long, thin legs of a spider. **2. Why the other options are incorrect:** * **Hydronephrosis:** Characterized by the dilation of the renal pelvis and calyces. On IVU, this appears as "clubbing" of the calyces rather than stretching. * **Medullary Sponge Kidney:** This condition involves ectasia of the collecting ducts. It presents with a **"bouquet of flowers"** or **"paint brush"** appearance due to contrast stasis in dilated tubules. * **Renal Cell Carcinoma:** Typically presents as a focal mass causing irregular distortion, displacement, or "amputation" of a single calyx, rather than the generalized, bilateral stretching seen in ADPKD. **High-Yield Clinical Pearls for NEET-PG:** * **ADPKD:** Most common inherited cystic kidney disease; associated with **berry aneurysms** (Circle of Willis) and hepatic cysts. * **Radiological Signs Summary:** * **Spider leg appearance:** ADPKD. * **Swiss cheese appearance:** ADPKD (on nephrotomography). * **Rim sign/Crescent sign:** Hydronephrosis. * **Beaded appearance:** Ureter in tuberculosis. * **Maiden waist deformity:** Retroperitoneal fibrosis (medial deviation of ureters).

Question 847: Verrucous carcinoma of the penis is caused by which type of Human Papillomavirus (HPV)?

A. HPV 11 (Correct Answer)
B. HPV 16
C. HPV 18
D. HPV 32

Explanation: **Explanation:** **Verrucous carcinoma of the penis**, also known as **Buschke-Löwenstein tumor**, is a rare, well-differentiated variant of squamous cell carcinoma. Unlike typical penile cancer, it is locally aggressive and can grow to a massive size but rarely metastasizes. 1. **Why HPV 11 is correct:** Verrucous carcinoma is strongly associated with **low-risk HPV types 6 and 11**. These types are traditionally linked to benign genital warts (Condyloma acuminata). Verrucous carcinoma is often considered a giant, exophytic version of these warts that exhibits local invasion but lacks the cytological malignancy seen in high-risk infections. 2. **Why the other options are incorrect:** * **HPV 16 & 18:** These are **high-risk HPV types**. They are the primary causative agents for typical (non-verrucous) Squamous Cell Carcinoma of the penis, as well as cervical and anal cancers. They produce E6 and E7 oncoproteins which inhibit p53 and Rb tumor suppressor genes. * **HPV 32:** This type is specifically associated with **Heck’s disease** (Focal Epithelial Hyperplasia), which manifests as multiple white-to-pink papules in the oral cavity, not penile malignancies. **High-Yield Clinical Pearls for NEET-PG:** * **Morphology:** Presents as a "cauliflower-like" fungating mass. * **Histology:** Characterized by a "pushing" deep margin rather than an infiltrating one. It lacks koilocytosis (which is seen in condylomas). * **Management:** Wide local excision is the treatment of choice. **Radiotherapy is contraindicated** as it may trigger anaplastic transformation and increase metastatic potential. * **Prognosis:** Excellent if surgically excised, due to the low risk of lymph node involvement.

Question 848: Terminal hematuria is most commonly associated with which anatomical structure?

A. Urethra
B. Prostatic urethra (Correct Answer)
C. Kidney
D. Bladder

Explanation: The timing of hematuria during the act of micturition is a crucial clinical indicator for localizing the source of bleeding in the urinary tract. ### **Mechanism of Terminal Hematuria** **Terminal hematuria** refers to blood appearing at the very end of the urinary stream. This occurs because, as the bladder empties, the detrusor muscle contracts and the bladder neck/prostatic urethra squeeze together. This mechanical compression causes bleeding from friable or inflamed tissue in the **prostatic urethra**, bladder neck, or the trigone. Therefore, the **prostatic urethra (Option B)** is the most common site associated with this pattern. ### **Analysis of Incorrect Options** * **Urethra (Initial Hematuria):** Bleeding from the anterior urethra (distal to the sphincter) typically results in blood at the start of urination, as the initial flow of urine flushes out the blood pooled in the urethral lumen. * **Kidney (Total Hematuria):** Bleeding from the upper urinary tract (kidneys or ureters) results in blood being thoroughly mixed with urine in the bladder. Consequently, the urine appears bloody throughout the entire stream (**Total Hematuria**). * **Bladder (Total/Terminal):** While diffuse bladder pathology (like a large tumor) causes total hematuria, lesions specifically at the bladder base or trigone can cause terminal hematuria. However, in standard surgical teaching and exams, the prostatic urethra/bladder neck is the classic anatomical association for terminal bleeding. ### **High-Yield Clinical Pearls for NEET-PG** * **Initial Hematuria:** Lesions in the urethra distal to the external sphincter. * **Total Hematuria:** Lesions in the kidney, ureter, or bladder (above the prostate). * **Terminal Hematuria:** Lesions in the prostatic urethra, bladder neck, or trigone (e.g., posterior urethritis, cystitis, or prostatic congestion). * **Painless Total Hematuria** in an elderly patient is **Bladder Cancer** until proven otherwise. * **Renal Colic + Hematuria** suggests **Urolithiasis** (stones).

Question 849: What are the indications for surgical intervention in varicocele?

A. Small testis
B. Pain
C. Oligospermia
D. All of the above (Correct Answer)

Explanation: **Explanation:** A varicocele is an abnormal dilation and tortuosity of the pampiniform plexus of veins within the spermatic cord. It is the most common reversible cause of male infertility. Surgical intervention (Varicocelectomy) is not indicated for every patient; it is reserved for cases where the varicocele is clinically significant and causing physiological damage. **Why "All of the above" is correct:** 1. **Small Testis (Testicular Atrophy):** In adolescents, a volume discrepancy of >20% or >2 mL between the affected and normal testis is a primary indication for surgery to prevent permanent damage to spermatogenesis. 2. **Pain:** Chronic, dull, aching scrotal pain that worsens with standing or physical exertion and is refractory to conservative management (like scrotal support) warrants surgical ligation. 3. **Oligospermia (Infertility):** In adults, the most common indication is a palpable varicocele coupled with abnormal semen parameters (low sperm count, decreased motility, or abnormal morphology) in a couple with documented infertility. **Clinical Pearls for NEET-PG:** * **Side Predominance:** 90% occur on the **Left side** because the left spermatic vein enters the left renal vein at a right angle, leading to higher hydrostatic pressure. * **Sudden Right-sided Varicocele:** This is a "red flag" and should prompt an urgent evaluation (CT scan) to rule out a **Retroperitoneal tumor** (e.g., Renal Cell Carcinoma) obstructing the IVC. * **Gold Standard Investigation:** Color Doppler Ultrasonography (shows venous diameter >2-3 mm and retrograde flow during Valsalva). * **Surgery of Choice:** **Microscopic Subinguinal Varicocelectomy** (lowest recurrence rate and lowest risk of hydrocele/arterial injury).

Question 850: After a single episode of painless gross hematuria in a boy, an excretory urogram showed a 1.5 cm filling defect towards the lower renal infundibulum. What is the next investigation to be done?

A. Cystoscopy
B. Urine cytology
C. USG (Correct Answer)
D. Retrograde pyelography

Explanation: **Explanation:** The primary goal in evaluating a filling defect on an Excretory Urogram (IVP) is to differentiate between a **radiolucent calculus**, a **soft tissue mass**, or a **blood clot**. 1. **Why USG is the correct next step:** Ultrasonography (USG) is the most cost-effective, non-invasive, and rapid investigation to characterize a filling defect. It can easily distinguish between a solid mass (like a fibroepithelial polyp or tumor) and a stone (which will be hyperechoic with posterior acoustic shadowing). In a pediatric patient, USG is preferred to avoid unnecessary radiation and to guide further management. 2. **Why other options are incorrect:** * **Cystoscopy:** While useful for evaluating the bladder and lower urinary tract, it cannot visualize the renal infundibulum or characterize a filling defect within the kidney. * **Urine Cytology:** This has low sensitivity for upper tract lesions and is generally used for suspected urothelial malignancies (TCC), which are extremely rare in children. * **Retrograde Pyelography (RGP):** This is an invasive procedure. While it provides excellent anatomical detail of the collecting system, it is usually reserved for cases where IVP/USG are inconclusive or when planning surgery. **Clinical Pearls for NEET-PG:** * **Filling Defect Differential:** Remember the mnemonic **"Blood, Stone, Tumor"** (Blood clot, Radiolucent stone—Uric acid/Cystine, or Urothelial tumor). * **Pediatric Hematuria:** In children, a persistent filling defect in the infundibulum/pelvis without evidence of a stone often points toward a **Fibroepithelial Polyp**, the most common benign tumor of the upper urinary tract in children. * **Gold Standard:** While USG is the *next* step, **NCCT (Non-Contrast CT)** is the gold standard for identifying radiolucent stones.

Practice by Chapter

Urological Anatomy

Practice Questions

Hematuria Evaluation

Practice Questions

Urinary Calculi

Practice Questions

Benign Prostatic Hyperplasia

Practice Questions

Prostate Cancer

Practice Questions

Bladder Cancer

Practice Questions

Renal Cell Carcinoma

Practice Questions

Testicular Tumors

Practice Questions

Urinary Tract Infections

Practice Questions

Urinary Incontinence

Practice Questions

Genitourinary Trauma

Practice Questions

Pediatric Urology Basics

Practice Questions

Want unlimited practice?

Get full access to all questions, explanations, and performance tracking.

Start For Free

Urology — MCQs

Urology — MCQs

On this page

Practice by Chapter

Want unlimited practice?