Urology Practice Questions

Q: All of the following are true about Carcinoma Penis except?

Most common type is verrucous carcinoma. **Explanation:** The correct answer is **Option B** because it is a false statement. The most common histological type of penile cancer is **Squamous Cell Carcinoma (SCC)**, accounting for over 95% of cases. **Verrucous carcinoma** (also known as Buschke-Löwenstein tumor) is a specific, well-differentiated variant of SCC that is locally aggressive but rarely metastasizes. **Analysis of other options:** * **Option A (Spreads hematogenously):** While the primary route of spread for penile cancer is lymphatic (to inguinal nodes), distant hematogenous spread can occur in advanced stages (Stage IV), typically involving the lungs, liver, or bones. * **Option C (Slowly progressive):** Carcinoma penis is generally a slow-growing malignancy. It often starts as a small lesion or ulcer on the glans or prepuce and progresses over months or years. * **Option D (Leads to erosion of artery):** In advanced, untreated cases, the tumor can locally invade deep structures. Erosion into the **femoral artery** (often due to massive inguinal nodal involvement) is a known terminal complication leading to exsanguination. **High-Yield Clinical Pearls for NEET-PG:** * **Risk Factors:** Phimosis (most important), HPV 16 & 18, smoking, and lack of neonatal circumcision. * **Lymphatic Drainage:** The glans and shaft drain first to the **superficial inguinal nodes**. * **Sentinel Node:** The **Node of Cloquet** (deep inguinal) is a key landmark. * **Staging:** The Jackson Staging or TNM system is used. * **Management:** Small lesions may be treated with organ-preserving surgery (glansectomy); advanced cases require partial or total penectomy with Ilio-inguinal lymph node dissection.

Q: Which of the following conditions does NOT predispose to torsion of the testis?

Epididymo-orchitis. **Explanation:** Testicular torsion is a surgical emergency caused by the twisting of the spermatic cord, leading to vascular compromise. For torsion to occur, there must be **abnormal mobility** of the testis within the scrotum. **Why Epididymo-orchitis is the correct answer:** Epididymo-orchitis is an **inflammatory condition**, not a predisposing anatomical factor. In fact, the inflammatory process leads to adhesions and inflammatory edema between the layers of the tunica vaginalis and the scrotal wall. These adhesions effectively "fix" the testis in place, making it **less likely** to twist. Clinically, it is the primary differential diagnosis for torsion (distinguished by a positive Prehn’s sign). **Analysis of predisposing factors (Incorrect Options):** * **High investment of the tunica vaginalis:** This is the most common cause, known as the **"Bell-clapper deformity."** When the tunica vaginalis attaches high up on the spermatic cord, the testis hangs freely like a clapper in a bell, allowing it to rotate. * **Inversion of the testis:** If the testis is situated abnormally (e.g., horizontal lie), the axis of rotation is altered, increasing the risk of twisting. * **Separation of the epididymis from the testis:** An increased distance or elongated mesorchium between the testis and epididymis creates a "long stalk" effect, facilitating torsion. **NEET-PG High-Yield Pearls:** * **Golden Period:** Salvage rate is nearly 100% if detorsion occurs within **6 hours**. * **Prehn’s Sign:** Elevation of the scrotum relieves pain in epididymo-orchitis but **not** in torsion (Negative Prehn's sign). * **Investigation of Choice:** Color Doppler Ultrasound (shows absent or decreased blood flow). * **Management:** Emergency surgical exploration and **bilateral orchidopexy** (fixation), as the anatomical defect is usually bilateral.

Q: Ureteral tumors occur most frequently in which part of the ureter?

Lower one-third. **Explanation:** Primary ureteral tumors (most commonly **Transitional Cell Carcinomas**) are relatively rare compared to bladder tumors but follow a specific distribution pattern. **Why the Lower One-Third is Correct:** The incidence of ureteral tumors increases as you move distally along the urinary tract. Approximately **70% of all ureteral tumors** occur in the **lower one-third (distal ureter)**. This is primarily attributed to the "field effect" theory of urothelial malignancy: the distal segments of the ureter have a larger surface area of urothelium exposed to concentrated urinary carcinogens for a longer duration due to gravity and the physiological slowing of bolus transport near the vesicoureteric junction. **Analysis of Incorrect Options:** * **Upper one-third (A):** Only about 15-20% of tumors occur here. While it is the second most common site, it is significantly less frequent than the distal segment. * **Middle one-third (B):** This segment accounts for roughly 10-15% of cases, making it the least common site for primary ureteral malignancy. * **Equally along the length (D):** Ureteral tumors do not show a uniform distribution; there is a clear predilection for the distal segment. **High-Yield Clinical Pearls for NEET-PG:** * **Most common histology:** Transitional Cell Carcinoma (TCC) / Urothelial Carcinoma (>90%). * **Most common symptom:** Painless gross hematuria (75% of cases). * **Dietl’s Crisis:** Can occur if the tumor causes intermittent hydronephrosis. * **Bergman’s Sign (Cobblestone sign):** On retrograde pyelography, the catheter coils in the dilated ureter distal to the tumor. * **Association:** Patients with ureteral TCC have a 30-50% chance of developing synchronous or metachronous bladder cancer. Always perform a cystoscopy during workup.

Q: High inguinal orchidectomy specimen showed tumor testis with involvement of epididymis without vascular invasion; what is the stage?

T1. This question tests your knowledge of the **AJCC TNM Staging (8th Edition)** for testicular tumors. The staging of primary testicular tumors (pT) is unique because it depends heavily on the anatomical structures involved and the presence of lymphovascular invasion (LVI). ### **Explanation of the Correct Answer** **Option A (T1) is correct** because, according to the AJCC 8th edition, a tumor limited to the testis and **epididymis** without vascular/lymphatic invasion is classified as **pT1**. * **Key Concept:** Involvement of the epididymis or the tunica albuginea (but not the tunica vaginalis) does not upgrade the stage beyond T1, provided there is no lymphovascular invasion. ### **Analysis of Incorrect Options** * **Option B (T2):** This stage is assigned if there is **lymphovascular invasion (LVI)** OR if the tumor invades the **tunica vaginalis**. Since the question explicitly states "without vascular invasion" and mentions only the epididymis, it cannot be T2. * **Option C (T3):** This stage is reserved for tumors that invade the **spermatic cord**, with or without vascular invasion. * **Option D (T4):** This stage is assigned when the tumor invades the **scrotum**. ### **High-Yield Clinical Pearls for NEET-PG** 1. **Route of Surgery:** Always perform a **High Inguinal Orchidectomy**. A trans-scrotal biopsy or orchidectomy is contraindicated as it alters the lymphatic drainage from para-aortic nodes to inguinal nodes (Scrotal Seeding). 2. **TNM Distinction:** * **pT1:** Testis, Epididymis, or Tunica Albuginea (No LVI). * **pT2:** Presence of **LVI** OR involvement of **Tunica Vaginalis**. 3. **Serum Markers (S):** Testicular cancer is unique because the TNM stage includes "S" (Serum tumor markers: AFP, hCG, and LDH). 4. **Lymphatic Drainage:** Testis drains to **Para-aortic nodes** (at the level of L2), while the Scrotum drains to **Superficial Inguinal nodes**.

Q: All of the following skin conditions are considered as skin markers for internal malignancy except?

Pemphigus vulgaris. **Explanation:** The question tests the knowledge of **Paraneoplastic Syndromes**, specifically cutaneous markers associated with internal malignancies. **Pemphigus vulgaris (Option D)** is an autoimmune blistering disease caused by antibodies against desmoglein 1 and 3. While it is a severe condition, it is **not** typically considered a marker for internal malignancy. In contrast, *Paraneoplastic Pemphigus* (a distinct entity) is associated with lymphoreticular malignancies, but the classic Pemphigus vulgaris is not. **Analysis of Incorrect Options:** * **Acanthosis nigricans (Option A):** While often associated with insulin resistance, the sudden onset of "Malignant Acanthosis Nigricans" (especially involving the palms/tripe palms) is a classic marker for **Gastric Adenocarcinoma**. * **Dermatomyositis (Option B):** This inflammatory myopathy has a strong association with internal cancers (especially ovarian, lung, and breast) in about 10-25% of adult cases. * **Bullous pemphigoid (Option C):** While primarily an autoimmune disease of the elderly, it is frequently listed as a potential paraneoplastic marker, particularly for neurological or hematological malignancies. **High-Yield Clinical Pearls for NEET-PG:** * **Leser-Trélat Sign:** Sudden eruption of multiple seborrheic keratoses; strongly associated with GI malignancies. * **Sweet Syndrome:** Acute febrile neutrophilic dermatosis; associated with Acute Myeloid Leukemia (AML). * **Necrolytic Migratory Erythema:** The hallmark cutaneous marker for a **Glucagonoma** (Alpha-cell tumor of the pancreas). * **Sister Mary Joseph Nodule:** A palpable nodule at the umbilicus representing metastasis from an intra-abdominal malignancy (usually gastric).

Q: Which of the following is a complication of obesity?

Venous ulcer. **Explanation:** Obesity is a significant risk factor for various surgical and medical complications. The correct answer is **Venous ulcer** because obesity leads to chronic venous insufficiency (CVI) through several mechanisms. Increased intra-abdominal pressure in obese individuals impairs venous return from the lower limbs, leading to venous hypertension. This results in valvular incompetence, skin changes (lipodermatosclerosis), and eventually, the formation of venous ulcers, typically located in the "gaiter area" of the leg. **Analysis of Options:** * **B. Pulmonary embolism:** While obesity is a known risk factor for Deep Vein Thrombosis (DVT) and subsequent Pulmonary Embolism (PE), in the context of standard surgical MCQ patterns, "Venous ulcer" is considered a direct chronic cutaneous complication of the altered hemodynamics caused by truncal obesity. * **C. Mortality:** Mortality is an *outcome* or a consequence of complications, rather than a specific clinical complication itself. * **D. Prostate cancer:** While obesity is linked to more aggressive forms of prostate cancer and higher recurrence rates, it is not a primary causative complication in the same direct physiological manner as venous stasis. **NEET-PG High-Yield Pearls:** * **Obesity and Surgery:** Obese patients have a higher risk of wound infections, incisional hernias, and atelectasis. * **Pickwickian Syndrome:** Also known as Obesity Hypoventilation Syndrome, characterized by BMI >30, daytime hypercapnia, and sleep apnea. * **Venous Ulcers:** These are typically painless (unless infected), shallow, with irregular borders, and associated with "champagne bottle" leg deformity. * **Bariatric Surgery Criteria:** Indicated if BMI >40 or BMI >35 with comorbidities (Indian guidelines often use lower thresholds: BMI >37.5 or >32.5 with comorbidities).

Question 1

A 60-year-old male with diabetes, hypertension, and second-grade prostatism is admitted for prostatectomy. He developed myocardial infarction. What is the appropriate treatment now?

Accepted Answer

Terazocin

Answer

Finasteride

Answer

Finasteride and terazocin

Answer

Diethyl stilbestrol

Question 2

Bell clapper testis predisposes to which of the following conditions?

Accepted Answer

Torsion of the testis

Answer

Varicocele

Answer

Cancer of the testis

Answer

Hydrocele

Question 3

All of the following are true about Carcinoma Penis except?

Accepted Answer

Most common type is verrucous carcinoma

Answer

Spreads hematogenously

Answer

Slowly progressive

Answer

Leads to erosion of artery

Question 4

Which of the following conditions does NOT predispose to torsion of the testis?

Accepted Answer

Epididymo-orchitis

Answer

Inversion of the testis

Answer

High investment of the tunica vaginalis

Answer

Separation of the epididymis from the body of the testis

Question 5

Which one of the following gastrointestinal disorders predisposes to urolithiasis?

Accepted Answer

Short bowel syndrome

Answer

Peutz-Jeghers syndrome

Answer

Familial polyposis coli

Answer

Ulcerative colitis

Question 6

Ureteral tumors occur most frequently in which part of the ureter?

Accepted Answer

Lower one-third

Answer

Upper one-third

Answer

Middle one-third

Answer

Equally along the length

Question 7

High inguinal orchidectomy specimen showed tumor testis with involvement of epididymis without vascular invasion; what is the stage?

Accepted Answer

T1

Answer

T2

Answer

T3

Answer

T4

Question 8

All of the following skin conditions are considered as skin markers for internal malignancy except?

Accepted Answer

Pemphigus vulgaris

Answer

Acanthosis nigricans

Answer

Dermatomyositis

Answer

Bullous pemphigoid

Question 9

Which of the following is a complication of obesity?

Accepted Answer

Venous ulcer

Answer

Pulmonary embolism

Answer

Mortality

Answer

Prostate cancer

Question 10

An elderly female patient presented with hematuria and on imaging was found to have stage T2 transitional cell carcinoma of the bladder. Which of the following statements about the management of her condition is true?

Accepted Answer

There is a substantial chance of requiring cystectomy within 5 years after transurethral resection for stage T2 disease.

Answer

History of smoking is a significant risk factor.

Answer

Cystoscopic fulguration may be used for superficial tumors but not typically for stage T2.

Answer

Chemotherapy may have a role in neoadjuvant or adjuvant settings.

Urology — MCQs

Urology — MCQs

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