Urology Practice Questions

Q: What is the investigation of choice for posterior urethral stricture?

Anterograde Urethrogram. **Explanation:** The investigation of choice for a posterior urethral stricture is an **Anterograde Urethrogram** (also known as a Micturating Cystourethrogram or MCUG). **Why Anterograde Urethrogram is correct:** Posterior urethral strictures (located in the prostatic or membranous urethra) are most commonly caused by pelvic fractures. To visualize the anatomy *proximal* to the stricture and determine the exact length and location of the obliteration, contrast must be introduced from the bladder downwards. This is typically done via a suprapubic catheter (SPC). It allows the surgeon to see the "proximal limit" of the stricture, which is vital for surgical planning (e.g., urethroplasty). **Analysis of Incorrect Options:** * **Retrograde Urethrogram (RGU) / Ascending Urethrogram:** These are the same procedure. RGU is the investigation of choice for **Anterior urethral strictures** (penile or bulbar urethra). In posterior strictures, RGU only shows the distal limit of the stricture but fails to define the proximal extent. * **IV Pyelogram (IVP):** This is used to visualize the upper urinary tract (kidneys and ureters). It provides poor detail of the urethral anatomy and is not used for stricture evaluation. **Clinical Pearls for NEET-PG:** * **Gold Standard for Urethral Stricture (General):** Combined RGU + Anterograde Urethrogram (to define the exact length of the gap). * **Most common site of Post-Traumatic Stricture:** Membranous urethra (Posterior). * **Most common site of Inflammatory/Iatrogenic Stricture:** Bulbar urethra (Anterior). * **Management:** For short posterior strictures, **End-to-end Anastomotic Urethroplasty** is the preferred definitive treatment.

Q: What is the treatment of choice for Stage I seminoma of the testis?

High inguinal orchidectomy and radiotherapy. **Explanation:** The management of testicular tumors is a high-yield topic for NEET-PG. The primary treatment for any suspected testicular malignancy is **High Inguinal Orchidectomy**. This procedure allows for both definitive diagnosis (histopathology) and local control while preventing lymphatic spread to scrotal/inguinal nodes. **Why Option B is correct:** Stage I seminoma is defined as a tumor limited to the testis and epididymis without nodal or distant metastasis. Seminomas are exquisitely **radiosensitive**. Following high inguinal orchidectomy, the standard of care involves adjuvant low-dose radiotherapy to the ipsilateral retroperitoneal (paraaortic) lymph nodes to prevent occult recurrence. While "surveillance" or a single dose of Carboplatin are modern alternatives, radiotherapy remains a classic "treatment of choice" in standard textbooks and exams. **Analysis of Incorrect Options:** * **Option A:** High inguinal orchidectomy alone is insufficient as it does not address the 15-20% risk of occult micrometastasis in the retroperitoneal nodes. * **Option C:** Radiotherapy and chemotherapy are used for advanced stages (Stage IIB and above). Surgery is always the first step for Stage I. * **Option D:** Trans-scrotal orchidectomy is **contraindicated** in testicular cancer because it disrupts the lymphatic drainage, potentially leading to inguinal lymph node metastasis (scrotal seeding). **High-Yield Clinical Pearls:** * **Lymphatic Spread:** Testicular tumors typically spread to **Para-aortic nodes** (at the level of L2), not inguinal nodes. * **Tumor Markers:** Seminomas may show elevated **hCG** (in 10-15% of cases) but **never** elevated Alpha-fetoprotein (AFP). If AFP is high, it is a Non-Seminomatous Germ Cell Tumor (NSGCT). * **Most Common:** Seminoma is the most common histological type of testicular germ cell tumor.

Q: Spermatocoeles are most commonly found at which anatomical location?

The head of the epididymis. **Explanation:** A **spermatocoele** is a benign, painless, fluid-filled retention cyst containing spermatozoa. It arises from the **efferent ductules** of the testis, which are located at the **head (caput) of the epididymis**. These ductules transport sperm from the rete testis to the epididymis; if one becomes obstructed or undergoes cystic dilatation, a spermatocoele forms. **Analysis of Options:** * **A. The head of the epididymis (Correct):** This is the most common site because it is the anatomical junction where the efferent ductules converge. On physical examination, a spermatocoele is typically felt as a distinct, transilluminating mass superior to the testis. * **B. The testis:** While spermatocoeles are adjacent to the testis, they do not arise from the testicular parenchyma itself. Intratesticular cysts are rare and usually simple cysts, not spermatocoeles. * **C. The prostate:** Prostatic cysts (e.g., Mullerian duct cysts or utricle cysts) occur within the pelvis and present with urinary symptoms or infertility, not as scrotal swellings. * **D. The seminal vesicles:** Seminal vesicle cysts are rare and located deep in the pelvis, often associated with renal agenesis (Zinner syndrome). **Clinical Pearls for NEET-PG:** * **Physical Exam:** A spermatocoele is often described as a **"third testis"** or a "cyst above the testis." It can be palpated separately from the testis (unlike a hydrocele, which surrounds it). * **Transillumination:** Like hydroceles, spermatocoeles transilluminate brightly. * **Content:** Aspiration (though rarely done) reveals **milky fluid** containing non-viable or viable spermatozoa, distinguishing it from an epididymal cyst (which contains clear fluid). * **Management:** Most are asymptomatic and require no treatment. Surgical excision (spermatocelectomy) is reserved for large, painful cysts.

Q: A 35-year-old male presents with a non-tender scrotal swelling that is separate from the testes. On transillumination, a "Chinese lantern" pattern is observed. What is the most likely diagnosis?

Epididymal cyst. ### Explanation **Correct Option: C. Epididymal cyst** The diagnosis is based on three key clinical features: 1. **Anatomical Location:** The swelling is **separate from the testis**. In an epididymal cyst, the testis can be felt distinctly from the cyst, unlike a vaginal hydrocele where the testis is "buried" within the fluid. 2. **Transillumination Pattern:** The **"Chinese lantern" effect** is a classic pathognomonic sign for epididymal cysts (and spermatoceles). Because these cysts are often multilocular (composed of multiple small fluid-filled spaces), the light is refracted by the internal septa, creating a patterned glow rather than a uniform one. 3. **Nature:** It is typically a non-tender, painless swelling found in the head of the epididymis. **Why other options are incorrect:** * **Vaginal hydrocele:** While it transilluminates, the light is **uniform** (not patterned). Crucially, the testis cannot be felt separately as it is surrounded by the tunica vaginalis fluid. * **Inguinal hernia:** These are generally **not transilluminant**, often have a cough impulse, and you cannot "get above" the swelling. * **Varicocele:** Described as a **"bag of worms"** sensation. It does not transilluminate and typically disappears or diminishes when the patient lies down. **High-Yield Pearls for NEET-PG:** * **Epididymal Cyst vs. Spermatocele:** Both show the Chinese lantern effect. The distinction is fluid content: Epididymal cysts contain **clear fluid**, while spermatoceles contain **milky fluid** (opalescent) with spermatozoa. * **Lord’s Procedure:** The surgical treatment of choice for a small/medium hydrocele (plication of the sac). * **Jaboulay’s Procedure:** Used for large, thick-walled hydroceles (eversion of the sac). * **Preadolescent scrotal swelling:** Always rule out a patent processus vaginalis (communicating hydrocele).

Q: A 78-year-old male with a known history of prostate cancer presents with multiple painful vertebral metastases. What is the ideal management plan?

Androgen ablation with orchidectomy. **Explanation:** The primary goal in managing advanced (metastatic) prostate cancer is **Androgen Deprivation Therapy (ADT)**. Prostate cancer cells are androgen-dependent; depriving them of testosterone leads to significant tumor regression and rapid relief of bone pain. **Why Option A is correct:** In a 78-year-old patient with painful vertebral metastases, **Bilateral Orchidectomy** (surgical castration) is considered the "gold standard" for androgen ablation. It provides a rapid, permanent drop in testosterone levels (to <50 ng/dL) within 12–24 hours, which is crucial for preventing potential spinal cord compression in cases of vertebral involvement. It is also cost-effective and avoids the "testosterone flare" associated with LHRH agonists. **Why other options are incorrect:** * **B. Palliative chemotherapy:** This is typically reserved for **Castration-Resistant Prostate Cancer (CRPC)**—cases where the disease progresses despite ADT. It is not the first-line treatment for hormone-sensitive metastatic disease. * **C. Radical prostatectomy:** This is a curative intent surgery indicated only for **localized** disease (Stage T1/T2). It has no role in the management of distant metastases. * **D. TURP:** This is a palliative procedure used to relieve bladder outlet obstruction symptoms. It does not treat the underlying malignancy or the metastatic bone pain. **High-Yield Clinical Pearls for NEET-PG:** * **Medical Castration:** Achieved using LHRH agonists (e.g., Leuprolide). Note: These cause an initial "flare"; hence, anti-androgens (e.g., Flutamide) must be given 2 weeks prior. * **Most common site of metastasis:** Bone (specifically the lumbar spine), typically presenting as **osteoblastic** lesions. * **Tumor Marker:** PSA (Prostate-Specific Antigen) is used for monitoring response to therapy and recurrence.

Q: Which of the following statements is NOT true about this condition?

Condition affects adolescent males. ***Condition affects adolescent males*** - **Peyronie's disease** typically affects **middle-aged to older men** (40-70 years), not adolescents. - The condition is characterized by **fibrous plaque formation** in the tunica albuginea, which is more common with aging and associated comorbidities. *Patient presents with complaints of painful erection* - **Painful erections** are a common presenting complaint, especially during the **acute inflammatory phase** of Peyronie's disease. - Patients often experience **pain during erection** along with **penile curvature** due to the fibrous plaque. *Galezia's Triad includes Dupuytren's contracture, Peyronie's disease, and retroperitoneal fibrosis* - **La Peyronie's triad** (also known as Galezia's triad) is a recognized association of **fibrotic conditions**. - These three conditions share similar **pathophysiology** involving abnormal **collagen deposition** and fibrosis. *Nesbitt's operation is performed* - **Nesbitt's procedure** is a surgical technique used to correct **penile curvature** in Peyronie's disease. - The operation involves **plication of the tunica albuginea** on the convex side to straighten the penis.

Q: A middle-aged diabetic female presented with flank pain and fever. On ultrasound, the kidney was irregular and showed fat density with calculi. What is the most probable diagnosis?

Xanthogranulomatous pyelonephritis. **Explanation:** The clinical presentation of a middle-aged diabetic female with fever, flank pain, and specific imaging findings is classic for **Xanthogranulomatous Pyelonephritis (XGP)**. **1. Why Option B is Correct:** XGP is a chronic inflammatory process characterized by the destruction of renal parenchyma and its replacement with lipid-laden foamy macrophages (**xanthoma cells**). * **The "Fat Density":** On imaging (USG/CT), these lipid-laden macrophages appear as areas of fat density, which is a pathognomonic finding. * **The "Calculi":** XGP is almost always associated with chronic urinary obstruction, often due to a large **staghorn calculus** (Proteus or E. coli infections). * **Demographics:** It most commonly affects middle-aged women, particularly those with diabetes. **2. Why Other Options are Incorrect:** * **A. Tuberculosis of Kidney:** While it causes chronic inflammation and "putty kidney" (calcification), it does not typically present with fat-density replacement of the parenchyma. * **C. Chronic Pyelonephritis:** This leads to a small, scarred, shrunken kidney with blunted calyces, but it lacks the specific "fat-density" masses seen in XGP. * **D. Renal Abscess:** This presents as a localized fluid collection (pus) with a thick wall. While it causes fever and pain, it does not explain the presence of diffuse fat density and chronic calculi. **Clinical Pearls for NEET-PG:** * **"Bear’s Paw Sign":** On CT, the cross-sectional appearance of dilated calyces surrounding a central calcification in XGP is known as the Bear’s Paw sign. * **The Great Mimicker:** XGP is often mistaken for Renal Cell Carcinoma (RCC) because it can be locally invasive. * **Treatment:** The gold standard treatment for the diffuse form is **Nephrectomy**.

Question 1

What is the investigation of choice for posterior urethral stricture?

Accepted Answer

Anterograde Urethrogram

Answer

Retrograde Urethrogram

Answer

IV Pyelogram

Answer

Ascending Urethrogram

Question 2

What is the treatment of choice for Stage I seminoma of the testis?

Accepted Answer

High inguinal orchidectomy and radiotherapy

Answer

High inguinal orchidectomy

Answer

Radiotherapy and chemotherapy

Answer

Trans-scrotal orchidectomy

Question 3

Spermatocoeles are most commonly found at which anatomical location?

Accepted Answer

The head of the epididymis

Answer

The testis

Answer

The prostate

Answer

The seminal vesicles

Question 4

A 35-year-old male presents with a non-tender scrotal swelling that is separate from the testes. On transillumination, a "Chinese lantern" pattern is observed. What is the most likely diagnosis?

Accepted Answer

Epididymal cyst

Answer

Vaginal hydrocele

Answer

Inguinal hernia

Answer

Varicocele

Question 5

A 78-year-old male with a known history of prostate cancer presents with multiple painful vertebral metastases. What is the ideal management plan?

Accepted Answer

Androgen ablation with orchidectomy

Answer

Palliative chemotherapy

Answer

Radical prostatectomy

Answer

Transurethral resection of the prostate (TURP)

Question 6

Which of the following statements regarding testicular tumors is false?

Accepted Answer

Seminomas are radiosensitive.

Answer

They are the commonest malignancy in older men.

Answer

Only 25% of Stage 1 teratomas are cured by surgery alone.

Answer

Chemotherapy rarely produces a cure in those with metastatic disease.

Question 7

Which of the following statements is NOT true about this condition?

Accepted Answer

Condition affects adolescent males

Answer

Patient presents with complaints of painful erection

Answer

Galezia's Triad includes Dupuytren's contracture, Peyronie's disease, and retroperitoneal fibrosis

Answer

Nesbitt's operation is performed

Question 8

Anorchia is best diagnosed by which of the following investigations?

Accepted Answer

Laparoscopy

Answer

Ultrasound (USG)

Answer

Single-photon emission computed tomography (SPECT)

Answer

Computed Tomography (CT)

Question 9

A middle-aged diabetic female presented with flank pain and fever. On ultrasound, the kidney was irregular and showed fat density with calculi. What is the most probable diagnosis?

Accepted Answer

Xanthogranulomatous pyelonephritis

Answer

Tuberculosis of kidney

Answer

Chronic pyelonephritis

Answer

Renal abscess

Question 10

A 40-year-old patient with a single kidney presents with a solitary exophytic mass of 4 cm localized at its lower pole. Which of the following is the best recommended management option?

Accepted Answer

Partial nephrectomy

Answer

Radical nephrectomy

Answer

Radical nephrectomy with dialysis

Answer

Radical nephrectomy with renal transplantation

Urology — MCQs

Urology — MCQs

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