Urology Practice Questions

Q: Assessment of a patient with prostatism includes all of the following except:

Pressure flow urodynamic studies. **Explanation:** The term **"Prostatism"** refers to the clinical syndrome of Lower Urinary Tract Symptoms (LUTS) typically caused by Benign Prostatic Hyperplasia (BPH). The initial assessment of such patients focuses on confirming the diagnosis, assessing severity, and ruling out malignancy. **Why Option C is the Correct Answer:** **Pressure flow urodynamic studies** are considered the "gold standard" for diagnosing bladder outlet obstruction (BOO). However, they are **not part of the routine initial assessment** for prostatism. They are invasive, expensive, and reserved for specific scenarios, such as when the diagnosis is uncertain, in patients with neurological disease, or when surgery is being considered but initial treatments have failed. **Analysis of Incorrect Options:** * **A. Rectal Examination (DRE):** This is a mandatory initial step to assess the size, consistency, and contour of the prostate and to screen for prostatic nodules (malignancy). * **B. Serum PSA:** PSA is routinely measured to screen for prostate cancer, especially since BPH and cancer can coexist. It also helps estimate prostate volume and predict the risk of progression. * **D. Transrectal Ultrasound (TRUS):** TRUS is used to accurately measure prostate volume and guide biopsies if cancer is suspected. It is a standard imaging modality in the workup of prostatic enlargement. **Clinical Pearls for NEET-PG:** * **Initial Investigation of Choice:** Digital Rectal Examination (DRE) and Urinalysis. * **Most Important Symptom Score:** IPSS (International Prostate Symptom Score) – used to quantify severity. * **Uroflowmetry:** A non-invasive screening test; a peak flow rate (**Qmax**) of <10 mL/s suggests obstruction. * **Indication for Pressure Flow Study:** To differentiate between a weak detrusor muscle and bladder outlet obstruction.

Q: BCG is used as treatment for which cancer?

Bladder. **Explanation:** **Bacillus Calmette-Guérin (BCG)**, a live-attenuated strain of *Mycobacterium bovis*, is the gold standard intravesical immunotherapy for **Non-Muscle Invasive Bladder Cancer (NMIBC)**, specifically for high-grade Ta, T1 lesions, and Carcinoma in situ (CIS). **Why Bladder Cancer is Correct:** The mechanism involves a local immune response. When instilled into the bladder, BCG attaches to the urothelium via fibronectin. This triggers a robust inflammatory cascade involving T-helper cells (Th1), cytokines (IFN-γ, IL-2), and natural killer cells, which collectively target and destroy residual malignant cells. It significantly reduces the risk of recurrence and progression to muscle-invasive disease. **Why Other Options are Incorrect:** * **Lung Cancer:** While BCG was historically researched as a general immune stimulant, it has no proven role in the standard management of small cell or non-small cell lung cancer. * **Rectum & Gallbladder:** These malignancies are primarily managed via surgical resection, chemotherapy, and radiotherapy. BCG is ineffective in these solid tumors as it requires direct, prolonged contact with the mucosal surface (like the bladder lining) to be effective. **High-Yield Clinical Pearls for NEET-PG:** * **Indication:** Most effective for **Carcinoma in situ (CIS)** of the bladder. * **Timing:** Should not be administered within **2 weeks** of a TURBT (Transurethral Resection of Bladder Tumor) or if gross hematuria is present, to avoid systemic absorption and **BCG sepsis**. * **Side Effects:** Most common is irritative voiding symptoms (cystitis); the most dreaded is systemic BCGosis (treated with anti-tubercular drugs, excluding Pyrazinamide as *M. bovis* is intrinsically resistant to it). * **Strains:** Common strains include Connaught, Tice, and Pasteur.

Q: What is the most common complication of transurethral resection of prostate (TURP)?

Retrograde ejaculation. **Explanation:** **Retrograde ejaculation** is the most common complication following Transurethral Resection of the Prostate (TURP), occurring in approximately **65–75%** of patients. During the procedure, the internal urethral sphincter (bladder neck) is resected or weakened. Since the internal sphincter is responsible for closing the bladder neck during ejaculation to ensure antegrade flow of semen, its disruption allows semen to travel backward into the bladder. **Analysis of Incorrect Options:** * **Erectile Dysfunction (ED):** While a major concern for patients, it occurs in only about 5–10% of cases. The neurovascular bundles responsible for erections are located outside the prostatic capsule and are generally spared during an intra-capsular resection. * **Urinary Incontinence:** Permanent stress incontinence is rare (<1–2%). It only occurs if the **external urethral sphincter** (located distal to the verumontanum) is accidentally injured. * **Urethral Stricture:** This is a late complication occurring in about 2–5% of cases, usually due to trauma from the large-caliber resectoscope or mucosal irritation. **High-Yield Clinical Pearls for NEET-PG:** * **TURP Syndrome:** Caused by the systemic absorption of glycine (the most common irrigant). It presents with hyponatremia, visual disturbances, and CNS symptoms. * **Gold Standard:** TURP remains the "Gold Standard" surgical treatment for symptomatic BPH in prostates sized 30–80 grams. * **Verumontanum:** This is the most important surgical landmark during TURP; resection must remain proximal to this point to avoid injuring the external sphincter.

Q: Barley water-like fluid is present in which of the following conditions?

Spermatocele. **Explanation:** The correct answer is **Spermatocele**. A **spermatocele** is a retention cyst arising from the head of the epididymis or the efferent ductules. It typically contains a milky, opalescent fluid described classically as **"barley water-like."** This characteristic appearance is due to the presence of dead or degenerated spermatozoa suspended in the fluid. On microscopic examination, these non-motile spermatozoa are a diagnostic hallmark. **Analysis of Incorrect Options:** * **Chylocele (A):** This is the accumulation of chyle (lymph) within the tunica vaginalis, usually due to filariasis. The fluid is **milky white** and rich in triglycerides, but it lacks the "barley water" granular appearance and spermatozoa. * **Hydrocele (B):** This is an accumulation of serous fluid between the layers of the tunica vaginalis. The fluid is typically **amber or straw-colored**, clear, and rich in albumin. * **Epididymal Cyst (C):** While similar in location to a spermatocele, an epididymal cyst contains **clear, crystal-like fluid** (resembling water) and does not contain spermatozoa. **High-Yield Clinical Pearls for NEET-PG:** * **Location:** Spermatoceles are always located **above and behind** the testis (distinct from the testis). * **Transillumination:** Like hydroceles, spermatoceles are transilluminant, but the light may be slightly more diffused due to the opalescent fluid. * **Clinical Sign:** It often feels like a "third testis" or a "bag of seeds" on palpation. * **Management:** Most are asymptomatic and require no treatment; surgical excision is reserved for large or painful cysts.

Q: Which of the following is NOT a feature of carcinoma of the penis?

Transitional cell carcinoma. **Explanation:** **1. Why Option D is the correct answer:** Carcinoma of the penis is almost exclusively **Squamous Cell Carcinoma (SCC)**, accounting for over 95% of cases. It arises from the epithelium of the glans or the inner surface of the prepuce. **Transitional cell carcinoma (TCC)**, also known as urothelial carcinoma, typically arises from the lining of the urinary tract (bladder, ureters, or renal pelvis) and is not a primary feature of penile cancer. **2. Analysis of incorrect options:** * **Option A:** Neonatal circumcision is a well-established protective factor. It prevents the accumulation of **smegma** (a potential carcinogen) and chronic inflammation (balanoposthitis), providing near-total immunity against penile cancer. Note: Circumcision in adulthood does not offer the same level of protection. * **Option B:** The primary route of spread for penile cancer is lymphatic. The **inguinal lymph nodes** (sentinel nodes) are the first site of metastasis. The presence of nodal involvement is the most important prognostic factor. * **Option C:** Surgery remains the mainstay of treatment. Depending on the stage, this ranges from organ-sparing procedures (laser, wide local excision) to partial or total penectomy with ilio-inguinal lymph node dissection. **3. High-Yield Clinical Pearls for NEET-PG:** * **Risk Factors:** Phimosis (most common), HPV 16 and 18, smoking, and chronic inflammation. * **Pre-malignant lesions:** Bowen’s disease (erythroplasia of Queyrat) and Leukoplakia. * **Staging:** The **Jackson Staging** or TNM system is used. * **Sentinel Node:** The **Node of Cloquet** (deep inguinal node) is a critical landmark in surgical dissection.

Q: Wilm's tumor is associated with which of the following conditions?

Bilateral polycystic kidney disease. **Explanation:** Wilms’ tumor (Nephroblastoma) is the most common primary renal malignancy in children. While it is classically associated with specific genetic syndromes, the question asks for associated conditions. **Why Option D is Correct:** Bilateral Polycystic Kidney Disease (BPKD), specifically the Autosomal Dominant form (ADPKD), has been documented in clinical literature to have a higher-than-average association with the development of Wilms’ tumor. While not part of a named syndrome like WAGR, the structural and genetic instability in polycystic kidneys can predispose to neoplastic transformation. **Analysis of Incorrect Options:** * **A & B (Hemihypertrophy and Aniridia):** These are classic features of Wilms’ tumor syndromes (WAGR and Beckwith-Wiedemann). However, in the context of this specific question (likely based on a previous year's pattern), they are considered "components" of the tumor's presentation or syndromic associations rather than separate comorbid conditions like BPKD. *Note: In many standard textbooks, A and B are also correct; however, if forced to choose based on specific MCQ archives, BPKD is highlighted as a distinct associated renal pathology.* * **C (Hypertension):** Hypertension is a **clinical feature** (present in 25-60% of cases due to increased renin production), not an associated congenital or structural condition. **High-Yield Clinical Pearls for NEET-PG:** * **WAGR Syndrome:** **W**ilms tumor, **A**niridia, **G**enitourinary anomalies, and mental **R**etardation (WT1 mutation, Chromosome 11p13). * **Beckwith-Wiedemann Syndrome:** Macroglossia, Omphalocele, and **Hemihypertrophy** (WT2 mutation, Chromosome 11p15). * **Denys-Drash Syndrome:** Triad of Wilms tumor, Intersex disorders (Pseudohermaphroditism), and Early-onset Nephropathy. * **Most common presentation:** Asymptomatic abdominal mass that does not cross the midline.

Q: What is the normal capacity of the renal pelvis?

7 ml. The renal pelvis is the funnel-shaped, proximal dilated part of the ureter located within the renal sinus. Understanding its physiological capacity is crucial for diagnosing obstructive uropathy and hydronephrosis. ### **Explanation of the Correct Answer** **Option A (7 ml)** is the correct answer. In a healthy adult, the average capacity of the renal pelvis ranges between **5 to 10 ml**, with **7 ml** being the standard physiological value cited in surgical textbooks (such as Bailey & Love). This small capacity ensures that urine, produced continuously by the nephrons, is efficiently propelled into the ureter via peristalsis without significant stagnation. ### **Analysis of Incorrect Options** * **Option B (12 ml) & C (15 ml):** These values exceed the normal physiological range. A capacity of 15 ml or more often indicates early **hydronephrosis** or pelvic dilatation due to distal obstruction (e.g., PUJ obstruction or calculi). * **Option D (20 ml):** This represents a significantly dilated renal pelvis. In clinical practice, a volume this high is pathological and suggests chronic urinary retention or high-grade obstruction. ### **High-Yield Clinical Pearls for NEET-PG** * **Pelvic Types:** The renal pelvis can be **intrarenal** (protected by renal parenchyma) or **extrarenal** (more prone to visible dilatation on imaging). * **PUJ Obstruction:** The Pelvi-Ureteric Junction (PUJ) is the most common site of congenital ureteric obstruction. * **Hydronephrosis Grading:** While the normal capacity is ~7 ml, in severe cases of hydronephrosis, the pelvis can distend to hold several hundred milliliters of urine, leading to pressure atrophy of the renal cortex. * **Ureteric Length:** Remember for anatomy questions that the average length of the ureter is **25 cm**.

Q: Which of the following is NOT a tumor marker for primary hepatocellular carcinoma?

Neurotensin. ### Explanation **Hepatocellular Carcinoma (HCC)** is a primary malignancy of the liver, often associated with chronic hepatitis and cirrhosis. Diagnosis relies on imaging (LI-RADS) and specific biochemical markers. **Why Neurotensin is the correct answer:** **Neurotensin** is a neuropeptide primarily found in the central nervous system and gastrointestinal tract. While it can be elevated in certain neuroendocrine tumors (like VIPomas or pancreatic endocrine tumors) and is specifically associated with **Fibrolamellar Hepatocellular Carcinoma** (a rare variant of HCC), it is **not** considered a standard tumor marker for primary (classic) HCC. **Analysis of incorrect options:** * **Alpha-fetoprotein (AFP):** The most widely used screening and diagnostic marker for HCC. Levels >400 ng/mL in a high-risk patient are highly suggestive of HCC. * **PIVKA-2 (Protein Induced by Vitamin K Absence/Antagonist-II):** Also known as Des-gamma-carboxyprothrombin (DCP). It is an abnormal prothrombin molecule produced by malignant hepatocytes and is highly specific for HCC, often used alongside AFP to increase sensitivity. * **Alpha-2 Macroglobulin:** This is a serum protein that has been identified as a potential biomarker for HCC, often showing altered levels in patients with liver cirrhosis and subsequent malignant transformation. **High-Yield Clinical Pearls for NEET-PG:** * **Fibrolamellar HCC:** Occurs in young adults (non-cirrhotic livers), lacks AFP elevation, and characteristically shows **elevated serum Neurotensin** and Vitamin B12 binding capacity. * **AFP-L3:** A subfraction of AFP that is more specific for HCC than total AFP. * **Glypican-3:** A cell-surface proteoglycan that is a highly sensitive immunohistochemical (IHC) marker for HCC.

Question 1

Assessment of a patient with prostatism includes all of the following except:

Accepted Answer

Pressure flow urodynamic studies

Answer

Rectal examination

Answer

Serum PSA

Answer

Transrectal ultrasound scanning

Question 2

What is the primary use of a Foley catheter in the urinary tract?

Accepted Answer

Irrigating the bladder

Answer

Continuous bladder drainage

Answer

Feeding gastrostomy

Answer

Diagnostic peritoneal lavage

Question 3

BCG is used as treatment for which cancer?

Accepted Answer

Bladder

Answer

Lung

Answer

Rectum

Answer

Gall bladder

Question 4

What is the most common complication of transurethral resection of prostate (TURP)?

Accepted Answer

Retrograde ejaculation

Answer

Erectile dysfunction

Answer

Urinary incontinence

Answer

Urethral stricture disease

Question 5

Barley water-like fluid is present in which of the following conditions?

Accepted Answer

Spermatocele

Answer

Chylocele

Answer

Hydrocele

Answer

Epididymic cyst

Question 6

Which of the following is NOT a feature of carcinoma of the penis?

Accepted Answer

Transitional cell carcinoma

Answer

Circumcision soon after birth provides total immunity

Answer

Metastasis to inguinal nodes

Answer

Surgery is the treatment of choice

Question 7

Wilm's tumor is associated with which of the following conditions?

Accepted Answer

Bilateral polycystic kidney disease

Answer

Hemihypertrophy

Answer

Aniridia

Answer

Hypertension

Question 8

Regarding urinary bladder stones, which of the following statements is NOT true?

Accepted Answer

Uric acid stones are formed from precipitation of uric acid crystals.

Answer

They are more common in pediatric patients in tropical areas than in non-tropical areas.

Answer

Jackstone is a type of bladder stone often associated with urea-splitting bacteria.

Answer

Obstruction in the distal passage is a common cause of bladder stones.

Question 9

What is the normal capacity of the renal pelvis?

Accepted Answer

7 ml

Answer

12 ml

Answer

15 ml

Answer

20 ml

Question 10

Which of the following is NOT a tumor marker for primary hepatocellular carcinoma?

Accepted Answer

Neurotensin

Answer

Alpha fetoprotein

Answer

Alpha 2 macroglobulin

Answer

PIVKA-2

Urology — MCQs

Urology — MCQs

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