Urology Practice Questions

Q: A 30-year-old male presents with pain on the right flank and hematuria. A CECT abdomen reveals a large 8 x 8 cm solid mass in the right kidney and a 3 x 3 cm solid mass occupying the upper pole of the left kidney. What is the most appropriate surgical treatment for this patient?

Right radical nephrectomy and left partial nephrectomy. **Explanation:** The clinical presentation of bilateral renal masses (8 cm on the right and 3 cm on the left) in a young male is highly suggestive of **Bilateral Renal Cell Carcinoma (RCC)**. The primary goal of surgical management in bilateral disease is to achieve oncological clearance while preserving as much renal function as possible to avoid long-term dialysis. 1. **Why Option C is correct:** The standard of care for bilateral synchronous renal tumors is **Nephron-Sparing Surgery (NSS)** whenever feasible. The 8 cm mass on the right is large and likely requires a **Radical Nephrectomy** (removal of the entire kidney). However, the 3 cm mass on the left is small and localized, making it an ideal candidate for **Partial Nephrectomy** (NSS) [1]. This approach ensures the removal of all malignant tissue while preserving the left kidney's functional parenchyma. 2. **Why other options are incorrect:** * **Option A:** Bilateral radical nephrectomy would render the patient anephric, necessitating lifelong dialysis or a transplant, which is avoided if the tumor is resectable via NSS. * **Option B:** Biopsy is generally not indicated if imaging is classic for RCC and surgery is already planned; it does not treat the contralateral mass. * **Option D:** Leaving the 3 cm mass untreated would allow for disease progression and metastasis. **Clinical Pearls for NEET-PG:** * **T1a tumors (<4 cm):** Partial nephrectomy is the gold standard [1]. * **Hereditary Syndromes:** Bilateral or multifocal RCC in a young patient should raise suspicion for **Von Hippel-Ludlau (VHL) syndrome** (associated with *VHL* gene on Chromosome 3p). * **Triad of RCC:** Flank pain, hematuria, and palpable mass (seen in only 10% of cases). * **Investigation of Choice:** Contrast-Enhanced CT (CECT) abdomen.

Q: What is not the management of a 1.6 cm bulbar urethral stricture in a patient with a history of pelvic fracture?

Excision followed by reconstruction using buccal mucosa. ### Explanation The management of urethral strictures depends on the **length, location, and etiology** of the stricture. **1. Why Option D is the Correct Answer (The "Not" Management):** For a short bulbar urethral stricture (** 2 cm**) or complex cases where the ends cannot be mobilized for a tension-free primary anastomosis. Therefore, using a graft for a simple 1.6 cm bulbar stricture is unnecessary and not the standard primary approach. **2. Analysis of Other Options:** * **Options A & B (Dilatation/Internal Urethrotomy):** These are considered first-line "minimally invasive" options for short ( 90% because the bulbar urethra is mobile enough to allow for a tension-free anastomosis after excision of the fibrotic segment. **Clinical Pearls for NEET-PG:** * **Gold Standard for 2 cm Bulbar Stricture:** Substitution Urethroplasty (Buccal Mucosa Graft is the preferred material). * **Most common site of post-traumatic stricture:** Bulbar urethra (due to straddle injury) or Membranous urethra (due to pelvic fracture). * **Investigation of Choice:** Retrograde Urethrogram (RUG) to define the site and length; Voiding Cystourethrogram (VCUG) to see the proximal extent.

Q: What is the differential diagnosis of acute funiculitis with a small inguinal swelling?

Small strangulated inguinal hernia. **Explanation:** The clinical presentation of **acute funiculitis** (inflammation of the spermatic cord) involves a painful, tender, and often swollen spermatic cord within the inguinal canal. A **small strangulated indirect inguinal hernia** is the most critical differential diagnosis because it mimics these features. When a small knuckle of bowel or omentum becomes trapped (strangulated) at the internal ring, it presents as a tense, tender, irreducible swelling in the inguinal region with an absent cough impulse, closely resembling the inflammatory mass of funiculitis. **Why the other options are incorrect:** * **Undescended testes:** While an undescended testis can undergo torsion (causing acute pain), the scrotum would be empty on palpation. In funiculitis, the testis is usually present in the scrotum. * **Acute orchitis:** This primarily involves inflammation of the body of the testis. While the cord may be secondary congested, the maximal tenderness and swelling are located in the scrotum, not as an isolated inguinal swelling. * **Lymphadenitis:** Inguinal lymphadenitis typically presents as multiple, firm, mobile, or matted nodes. While tender, they are usually more superficial and lateral/inferior to the pubic tubercle, unlike the cord structures. **NEET-PG High-Yield Pearls:** * **Prehn’s Sign:** Used to differentiate epididymitis from torsion; elevation of the scrotum relieves pain in epididymitis/funiculitis but worsens it in torsion. * **Clinical Rule:** Any painful, irreducible swelling in the inguinal region must be considered a **strangulated hernia** until proven otherwise, as it is a surgical emergency. * **Funiculitis Etiology:** Most commonly secondary to retrograde spread of infection from the urinary tract (e.g., *Chlamydia* or *E. coli*).

Q: What does 'French' refer to in the context of a Foley's catheter measurement?

Diameter of the catheter. The **French scale** (also known as the Charrière scale, denoted as Fr, F, or Ch) is the standard unit used to measure the size of catheters and other medical tubing. ### Why "Diameter of the catheter" is correct: The French size specifically represents the **outer diameter** of the catheter in millimeters multiplied by 3. * **Formula:** $1 \text{ French (Fr)} = 0.33 \text{ mm}$ or $3 \text{ Fr} = 1 \text{ mm}$ of outer diameter. * Therefore, a 18 Fr Foley catheter has an outer diameter of 6 mm ($18/3 = 6$). This measurement is crucial for clinicians to ensure the instrument fits through the urethral meatus without causing trauma. ### Why the other options are incorrect: * **Outer circumference:** While the French size is numerically equal to the circumference in millimeters (since $C = \pi \times d$, and $\pi \approx 3$), the formal definition of the French unit is based on the **diameter**. * **Inner circumference / Lumen size:** These refer to the internal space of the catheter. The lumen size varies depending on the material (e.g., latex vs. silicone) and the number of channels (two-way vs. three-way), even if the outer French size remains the same. ### High-Yield Clinical Pearls for NEET-PG: 1. **Standard Sizes:** Adult males typically require 16–18 Fr, while females require 14–16 Fr. 2. **Color Coding:** Catheters are color-coded for easy identification (e.g., **14 Fr is Green**, **16 Fr is Orange**, **18 Fr is Red**). 3. **Material:** Silicone catheters have a larger internal lumen compared to latex catheters of the same French size, making them better for long-term drainage. 4. **Coude Tip:** A catheter with a curved tip used specifically for patients with an enlarged prostate (BPH).

Q: What is the most common organic cause of erectile dysfunction?

Atherosclerosis. **Explanation:** **Atherosclerosis** is the most common organic cause of erectile dysfunction (ED). The underlying mechanism is **vasculogenic**; since the penile arteries are small in diameter (1–2 mm), they are often the first to be affected by atherosclerotic plaque formation. This leads to impaired blood flow to the corpora cavernosa, preventing the pressure required for a rigid erection. It is frequently considered a "sentinel symptom" for systemic cardiovascular disease. **Analysis of Incorrect Options:** * **Multiple Sclerosis (B):** This is a neurogenic cause of ED. While common in MS patients, neurogenic causes are statistically less frequent than vasculogenic causes in the general population. * **Penile Fibrosis (C):** This refers to the replacement of smooth muscle with collagen, often due to chronic ischemia or post-priapism. It is a structural cause but not the primary epidemiological driver of ED. * **Peyronie’s Disease (D):** This involves the formation of a fibrous plaque in the tunica albuginea, leading to penile curvature and painful erections. While it causes ED, its prevalence is much lower than systemic atherosclerosis. **Clinical Pearls for NEET-PG:** * **Most common cause of ED overall:** Psychogenic (especially in younger men). * **Most common organic cause:** Vasculogenic (Atherosclerosis/Diabetes Mellitus). * **The "Artery Size Hypothesis":** ED often precedes Coronary Artery Disease (CAD) by 3–5 years because penile arteries are smaller than coronary arteries. * **First-line Investigation:** Detailed history and IIEF-5 (International Index of Erectile Function) questionnaire. * **Gold Standard for Vasculogenic ED:** Duplex Doppler Ultrasound of penile arteries.

Q: All of the following are true about gonococcal epididymitis, EXCEPT?

Immediate surgical intervention is needed.. **Explanation:** The core management of **acute epididymitis**, whether caused by *Neisseria gonorrhoeae* (common in men <35 years) or enteric organisms, is **medical, not surgical**. **Why Option D is the Correct Answer (The "Except"):** Immediate surgical intervention is **not indicated** for epididymitis. Surgery is reserved for complications like abscess formation or when **testicular torsion** cannot be ruled out. In torsion, "time is muscle," and immediate surgery is mandatory; however, in epididymitis, the inflammation is managed conservatively. **Analysis of Other Options:** * **Option A (Antibiotics):** Since the etiology is bacterial (*N. gonorrhoeae*), targeted antibiotic therapy (e.g., Ceftriaxone plus Doxycycline/Azithromycin) is the cornerstone of treatment to eradicate the pathogen. * **Option B (Anti-inflammatories):** NSAIDs are standard supportive care to reduce pain, scrotal edema, and inflammatory markers. * **Option C (Surgery after infection subsides):** While rare, chronic complications like epididymal obstruction or persistent pain may necessitate surgical intervention (e.g., epididymectomy or vasoepididymostomy) *after* the acute infection has been fully resolved. **NEET-PG High-Yield Pearls:** * **Prehn’s Sign:** Elevation of the scrotum relieves pain in epididymitis (Positive Prehn’s) but worsens or has no effect on pain in testicular torsion (Negative Prehn’s). * **Cremasteric Reflex:** Usually **present** in epididymitis but **absent** in testicular torsion. * **Age Factor:** In patients 35 years, *E. coli* is the most common cause. * **Investigation of Choice:** Color Doppler Ultrasound (shows increased blood flow/hyperemia in epididymitis).

Q: Which of the following is NOT a typical cystoscopic finding in TB bladder?

Whitish efflux from the ureteric openings. **Explanation:** In Genitourinary Tuberculosis (GUTB), the bladder is typically affected secondary to renal tuberculosis. The cystoscopic findings are a result of chronic inflammation, ulceration, and subsequent fibrosis. **Why Option D is the correct answer:** **Whitish efflux from the ureteric openings** is not a feature of TB bladder. In active renal TB, the urine is typically clear but contains microscopic pus cells (**Sterile Pyuria**). Thick, whitish, or "milky" efflux is characteristic of **Chyluria** (seen in Filariasis) or severe pyogenic infections (pyonephrosis), but not typically TB. **Analysis of Incorrect Options:** * **Cobblestone mucosa:** Early TB cystitis presents with tubercles (yellowish-white nodules) surrounded by a zone of hyperemia. When these coalesce and the mucosa becomes edematous and inflamed, it gives a "cobblestone" appearance. * **Thimble bladder:** Chronic TB leads to extensive fibrosis and cicatrization of the bladder wall. This results in a severely reduced bladder capacity (often <50ml), known as a "Thimble bladder" or "Systolic bladder." * **Golf hole ureter:** Fibrosis and shortening of the ureter (due to ureteritis) lead to the retraction of the ureteric orifice. This causes the orifice to remain permanently patent and gaping, resembling a "golf hole." **Clinical Pearls for NEET-PG:** * **Sterile Pyuria:** Presence of pus cells in acidic urine with no growth on routine culture media is the hallmark of GUTB. * **Gold Standard Diagnosis:** Culture on **Lowenstein-Jensen (LJ) medium** (takes 6–8 weeks) or rapid BACTEC. * **Imaging:** The earliest radiological sign of GUTB is "moth-eaten" appearance of the calyces on IVU. * **Putty Kidney:** Refers to autonephrectomy where the kidney is replaced by a bag of caseous material.

Question 1

A 30-year-old male presents with pain on the right flank and hematuria. A CECT abdomen reveals a large 8 x 8 cm solid mass in the right kidney and a 3 x 3 cm solid mass occupying the upper pole of the left kidney. What is the most appropriate surgical treatment for this patient?

Accepted Answer

Right radical nephrectomy and left partial nephrectomy

Answer

Bilateral radical nephrectomy

Answer

Right radical nephrectomy and biopsy of the mass from the opposite kidney

Answer

Right radical nephrectomy only

Question 2

What should be offered to a 55-year-old sexually active male with stage T1b prostate cancer?

Accepted Answer

Radical Prostatectomy

Answer

Orchidectomy

Answer

Hormone Ablation

Answer

Transurethral Resection of the Prostate (TURP)

Question 3

What is not the management of a 1.6 cm bulbar urethral stricture in a patient with a history of pelvic fracture?

Accepted Answer

Excision followed by reconstruction using buccal mucosa

Answer

Dilatation with a catheter

Answer

Internal Urethrotomy

Answer

Excision followed by end-to-end urethroplasty

Question 4

A 16-year-old boy presents with acute onset pain in the left testis. Which of the following statements about his management is FALSE?

Accepted Answer

The patient should be prescribed antibiotics and asked to return after a week.

Answer

Color flow Doppler will be very useful in diagnosis.

Answer

Scrotal exploration should be done without delay if Doppler is not available.

Answer

If the left testis is not viable on exploration, the patient should undergo left orchidectomy and right orchidopexy.

Question 5

What is the differential diagnosis of acute funiculitis with a small inguinal swelling?

Accepted Answer

Small strangulated inguinal hernia

Answer

Undescended testes

Answer

Acute orchitis

Answer

Lymphadenitis

Question 6

What does 'French' refer to in the context of a Foley's catheter measurement?

Accepted Answer

Diameter of the catheter

Answer

Outer circumference measurement

Answer

Inner circumference measurement

Answer

Lumen size

Question 7

What is the most common organic cause of erectile dysfunction?

Accepted Answer

Atherosclerosis

Answer

Multiple sclerosis

Answer

Penile fibrosis

Answer

Peyronie's disease

Question 8

Which of the following statements about erectile dysfunction are false?

Accepted Answer

Psychogenic erectile dysfunction is distinguished from organic erectile dysfunction by PIPE therapy.

Answer

Sildenafil is used for treatment.

Answer

Nocturnal penile tumescence is maintained in psychological erectile dysfunction.

Answer

Sensate focus therapy aims at sensitizing nongenital areas.

Question 9

All of the following are true about gonococcal epididymitis, EXCEPT?

Accepted Answer

Immediate surgical intervention is needed.

Answer

Antibiotics are indicated.

Answer

Anti-inflammatories may be used.

Answer

Surgery may be considered after infection subsides.

Question 10

Which of the following is NOT a typical cystoscopic finding in TB bladder?

Accepted Answer

Whitish efflux from the ureteric openings

Answer

Cobblestone mucosa

Answer

Thimble bladder

Answer

Golf hole ureter

Urology — MCQs

Urology — MCQs

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