Urology Practice Questions

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.

Q: During a routine checkup, a 50-year-old man is found to have blood in his urine. He is otherwise in excellent health. An abdominal CT scan reveals a 2-cm right renal mass. You inform the patient that staging of this tumor is key to selecting treatment and evaluating prognosis. Which of the following is the most important staging factor for this patient?

Metastases to regional lymph nodes. ***Metastases to regional lymph nodes*** - The **TNM staging system** is the most significant predictor of prognosis for **Renal Cell Carcinoma**, where anatomical spread (N and M stages) outweighs other factors. - Presence of **lymph node involvement** indicates a much higher risk of systemic progression and significantly decreases the **5-year survival rate** compared to localized disease. *Histologic grade of the tumor* - While the **Fuhrman or ISUP grading** describes nuclear pleomorphism and tumor aggressiveness, it is considered secondary to **anatomical staging**. - Grading provides additional prognostic value but does not determine the primary **staging category** or the initial surgical approach as heavily as tumor spread. *Proliferative capacity of the tumor cells* - This refers to markers like **Ki-67**, which reflect how quickly cells are dividing but are not part of the standard **clinical staging** protocol. - Although high proliferation can suggest an aggressive course, it lacks the validated prognostic weight of **lymph node or distant metastasis**. *Somatic mutations in the p53 tumor suppressor gene* - **p53 mutations** are associated with poorer outcomes in many cancers, but they serve as **molecular markers** rather than staging criteria. - Staging is strictly defined by the **anatomic extent** of the disease (TNM), whereas genetic mutations are used more for research or potential targeted therapy considerations.

Q: A 50-year-old male presents with hematuria and abdominal pain. What is the most likely cause, excluding one of the following?

Benign prostatic hyperplasia (BPH). ### Explanation The clinical presentation of **painless or painful hematuria associated with abdominal pain** in a 50-year-old male typically points toward upper urinary tract pathology or malignancy. **Why BPH is the correct (excluded) answer:** While Benign Prostatic Hyperplasia (BPH) is a very common cause of hematuria in elderly males, it typically presents with **Lower Urinary Tract Symptoms (LUTS)** such as frequency, urgency, nocturia, and a weak stream. Crucially, BPH **does not cause abdominal pain** unless it leads to acute urinary retention (causing suprapubic pain). In the context of a differential diagnosis for hematuria and general abdominal pain, BPH is the least likely fit compared to renal or ureteral pathologies. **Analysis of Incorrect Options:** * **Renal Stone:** This is a classic cause of hematuria accompanied by sharp, colicky abdominal or flank pain (ureteric colic). * **Renal Cell Cancer (RCC):** The "classic triad" of RCC includes hematuria, abdominal pain, and a palpable mass. Even if the triad is incomplete, hematuria and dull ache are common presentations. * **Urothelial Carcinoma:** Tumors of the renal pelvis or ureter can cause hematuria and obstructive abdominal/flank pain due to blood clots or the tumor itself causing hydronephrosis. **NEET-PG High-Yield Pearls:** * **Most common cause of gross hematuria in patients >50 years:** Bladder Cancer (Urothelial). * **Most common cause of microscopic hematuria:** BPH. * **Painful hematuria** usually suggests infection or calculi, while **painless hematuria** in an older adult is "malignancy until proven otherwise." * **Initial Investigation of choice for Hematuria:** NCCT Urography (CT KUB).

Question 1

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 2

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 3

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 4

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 5

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 6

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 7

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

Question 8

During a routine checkup, a 50-year-old man is found to have blood in his urine. He is otherwise in excellent health. An abdominal CT scan reveals a 2-cm right renal mass. You inform the patient that staging of this tumor is key to selecting treatment and evaluating prognosis. Which of the following is the most important staging factor for this patient?

Accepted Answer

Metastases to regional lymph nodes

Answer

Histologic grade of the tumor

Answer

Proliferative capacity of the tumor cells

Answer

Somatic mutations in the p53 tumor suppressor gene

Question 9

A 60-year-old man with prostate cancer and osteoblastic secondaries in the pelvis and lumbar vertebrae showed well-differentiated adenocarcinoma of the prostate on needle biopsy. What is the first-line treatment?

Accepted Answer

Hormonal ablation

Answer

Proscavax vaccine

Answer

Transurethral resection of the prostate (TURP)

Answer

Radical prostatectomy

Question 10

A 50-year-old male presents with hematuria and abdominal pain. What is the most likely cause, excluding one of the following?

Accepted Answer

Benign prostatic hyperplasia (BPH)

Answer

Renal stone

Answer

Renal cell cancer

Answer

Urothelial carcinoma

Urology — MCQs

Urology — MCQs

On this page

Practice by Chapter

Want unlimited practice?