Urology Practice Questions

Q: A patient with non-seminomatous tumor of the testis has more than 4 retroperitoneal lymph nodes involved. What is the appropriate management for this patient, considering the following treatment options, except one?

Radiotherapy. **Explanation:** The management of testicular tumors depends heavily on the histological type: **Seminoma** vs. **Non-Seminomatous Germ Cell Tumor (NSGCT)**. **Why Radiotherapy is the Correct Answer (The "Except" Option):** NSGCTs are inherently **radioresistant**. Unlike seminomas, which are highly radiosensitive and can be treated with radiation, NSGCTs do not respond predictably to radiotherapy. Therefore, it is not a standard treatment modality for NSGCT, regardless of the stage. **Analysis of Other Options:** * **Inguinal Orchiectomy (B):** This is the **gold standard initial step** for any suspected testicular mass. It provides the definitive histological diagnosis and local tumor control. It must always be performed via an inguinal approach to avoid scrotal lymph node seeding. * **Chemotherapy (C):** For advanced NSGCT (Stage IIB and above), platinum-based chemotherapy (e.g., BEP regimen: Bleomycin, Etoposide, Cisplatin) is the primary treatment. Involvement of >4 retroperitoneal nodes indicates significant metastatic burden (Stage IIB/C), making chemotherapy essential. * **RPLND (A):** This is a standard surgical intervention for NSGCT. It can be used as primary treatment for low-stage disease or as "Post-Chemo RPLND" to remove residual masses (>1 cm) after chemotherapy, as these may contain teratoma or viable tumor. **High-Yield Clinical Pearls for NEET-PG:** 1. **Tumor Markers:** NSGCT often shows elevated **AFP** and **beta-hCG**. Remember: **AFP is NEVER elevated in pure seminoma.** 2. **Lymphatic Spread:** Testicular tumors spread first to the **para-aortic (retroperitoneal) lymph nodes**, except if there is scrotal invasion (then to inguinal nodes). 3. **Treatment Rule:** Seminoma = Radio-sensitive; NSGCT = Chemo-sensitive/Radio-resistant. 4. **Most common NSGCT:** Mixed germ cell tumor.

Q: In which of the following conditions is a cystometric study indicated?

Neurogenic bladder. **Explanation:** **Cystometry** is the gold standard component of a urodynamic study (UDS) used to evaluate the pressure-volume relationship of the bladder during the filling phase. It measures bladder capacity, compliance, and the presence of involuntary detrusor contractions. **1. Why Neurogenic Bladder is Correct:** In neurogenic bladder (caused by spinal cord injury, diabetes, or multiple sclerosis), the coordination between the detrusor muscle and the urethral sphincter is lost. Cystometry is **essential** to classify the type of bladder dysfunction (e.g., detrusor hyperreflexia or areflexia) and to assess the risk of high-pressure storage, which can lead to upper renal tract damage (hydronephrosis). **2. Why Other Options are Incorrect:** * **Stress Incontinence:** Diagnosis is primarily clinical (demonstrating leakage with a cough/Valsalva). Urodynamics are usually reserved only if surgery is planned or if the diagnosis is unclear. * **Fistula:** Conditions like vesicovaginal fistula (VVF) are structural defects, not functional ones. Diagnosis is made via physical exam, dye tests (Moir’s test), or imaging (CT/IVP/Cystoscopy). * **Urge Incontinence:** Often diagnosed based on history (Overactive Bladder). While cystometry can show detrusor overactivity, it is not the first-line investigation unless conservative management fails. **Clinical Pearls for NEET-PG:** * **Normal Bladder Capacity:** 300–500 mL. * **First Sensation of Filling:** 150–250 mL. * **Compliance:** Calculated as $\Delta \text{Volume} / \Delta \text{Pressure}$. Low compliance is a hallmark of a "stiff" neurogenic bladder. * **Pdet (Detrusor Pressure):** Calculated as $P_{ves} (\text{intravesical}) - P_{abd} (\text{intra-abdominal})$. This distinguishes bladder contractions from abdominal straining.

Q: A 13-year-old male was brought to OPD with pain right side testes after being hit by a cricket ball 2 hours back. On examination, severe testicular pain and an absent cremasteric reflex. What is the next step?

Surgical exploration. ***Surgical exploration*** - This patient presents with **severe testicular pain** and **absent cremasteric reflex**, which has approximately **99% positive predictive value for testicular torsion** - The combination of these clinical findings constitutes a **surgical emergency** requiring **immediate scrotal exploration** without delay for imaging - **Time is critical**: testicular salvage rates are >90% if detorsion occurs within 6 hours, dropping to ~50% at 6-12 hours and <10% after 12 hours - In cases with **high clinical suspicion** (classic presentation with absent cremasteric reflex), imaging should **NOT delay surgical intervention** - Standard of care: proceed directly to the operating room for exploration and detorsion *USG Arterial Doppler* - While Doppler ultrasound can assess testicular blood flow, it is indicated only when the **diagnosis is equivocal** or clinical findings are unclear - Doppler has significant limitations: false negatives occur with intermittent or partial torsion, and arranging the study delays definitive treatment - In this case with **pathognomonic clinical findings** (absent cremasteric reflex + severe pain), imaging would inappropriately delay life-saving surgery - **"Time is testicle"** - every minute of delay reduces the chance of testicular salvage *USG Venous Doppler* - Venous Doppler is not the appropriate imaging modality for suspected testicular torsion - Arterial blood flow assessment is more relevant than venous drainage in diagnosing ischemia - However, with classic clinical presentation, neither imaging modality should delay surgical exploration *NSAIDS* - Administering analgesics alone is inappropriate management for suspected testicular torsion - Pain control does not address the underlying vascular compromise and will lead to **testicular loss** - NSAIDs may mask symptoms and create false reassurance while ischemic damage progresses

Q: In a follow-up case of prostate cancer, what do we need to check?

PSA. ***PSA***- **Prostate-Specific Antigen** is the primary biomarker used for routine surveillance and follow-up after definitive treatment (like prostatectomy or radiation) for prostate cancer. - A sustained rise in PSA levels, known as **biochemical recurrence**, is the earliest sign that prostate cancer may have returned locally or metastasized. *Alkaline phosphatase* - **Alkaline phosphatase (ALP)** levels are primarily followed when there is suspicion of **bony metastasis**, as high ALP reflects increased osteoblastic activity. - It is used to stage and evaluate advanced disease or monitor response to treatment for bone mets, but it is not the primary marker for general recurrence detection. *Testosterone* - **Testosterone** levels are monitored primarily in patients receiving **androgen deprivation therapy (ADT)** to ensure that castrate levels of androgens are being maintained. - Changes in circulating testosterone do not reliably indicate cancer recurrence or progression in patients not undergoing hormonal manipulation. *Acid phosphatase* - **Acid phosphatase (ACP)**, specifically prostatic acid phosphatase (PAP), is a historical tumor marker that has been superseded by PSA in nearly all aspects of follow-up. - Elevated ACP is usually associated with **advanced or metastatic disease** but lacks the sensitivity of PSA for detecting early biochemical recurrence.

Q: A 22-year-old male presents to the emergency department with a strong urge to urinate but is unable to do so. He has a history of perineal trauma. On examination, blood is noted at the external urethral meatus. Which structure is most likely injured?

Bulbar urethra. ***Bulbar urethra***- Perineal trauma, such as a **straddle injury**, typically compresses the **bulbar urethra** (part of the anterior urethra) against the inferior aspect of the pubic symphysis, leading to rupture or contusion.- The classic presentation of **blood at the external urethral meatus** combined with **urinary retention (inability to void)** following perineal trauma is pathognomonic for a suspected anterior urethral injury, most commonly involving the bulbar segment.*Posterior urethral valve*- This condition is a **congenital anomaly** causing obstruction almost exclusively in male **infants** and neonates, resulting in chronic hydronephrosis.- It is not a traumatic injury and therefore cannot explain the sudden onset of urinary retention in a 22-year-old male following **perineal trauma**.*Intraperitoneal Bladder rupture*- This type of rupture usually occurs due to blunt trauma to the **suprapubic region** when the bladder is full, leading to urine leakage into the abdominal cavity.- Although it causes inability to urinate and hematuria, the history of isolated **perineal trauma** and prominent **blood at the meatus** makes a primary urethral injury significantly more likely.*Membranous urethra*- The **membranous urethra** is part of the posterior urethra and its injury is highly associated with severe blunt trauma causing **pelvic fractures**.- Perineal or straddle injuries typically affect the **anterior urethra** (bulbar segment) because the posterior urethra is protected by the surrounding bony pelvis and supportive ligaments.

Q: Which of the following is the recommended treatment for the ureteric stone shown in the image?

Ureteroscopy. ***Ureteroscopy*** - This procedure involves passing a small, flexible scope through the urethra and bladder into the ureter to directly visualize and treat the stone. - It is a highly effective and preferred treatment for stones located in the **mid and distal ureter**, allowing for either retrieval with a basket or fragmentation with a laser. *Percutaneous nephrolithotomy* - This is an invasive procedure where an instrument is passed directly into the kidney through a small incision in the back. - It is primarily indicated for the removal of **large renal stones** (typically >2 cm) or staghorn calculi located within the kidney, not for ureteric stones. *ESWL* - Extracorporeal Shock Wave Lithotripsy (ESWL) uses focused **shock waves** from outside the body to break the stone into smaller fragments that can be passed in the urine. - While an option for some ureteric and kidney stones, its success rate is lower for stones in the **lower ureter** and for harder stones, making ureteroscopy often more effective. *Wait and watch* - This approach, often combined with **Medical Expulsive Therapy** (e.g., alpha-blockers), is reserved for small, uncomplicated stones (typically **<5 mm**) that are likely to pass spontaneously. - It is not recommended for larger stones, stones causing significant obstruction or severe symptoms, or those that fail to pass after a trial period.

Q: A patient presents with urinary symptoms due to benign prostatic hyperplasia. Which of the following is used to manage the urinary symptoms in the initial stage of this condition?

Tamsulosin. ***Tamsulosin*** - **Alpha-1 adrenergic blocker** that relaxes smooth muscle in the prostate and bladder neck - Provides **rapid symptom relief** within days to weeks for moderate-to-severe LUTS (Lower Urinary Tract Symptoms) - **First-line medical therapy** for symptomatic BPH requiring treatment - Improves urinary flow rate and reduces obstructive symptoms (hesitancy, weak stream, incomplete emptying) *Finasteride* - 5-alpha reductase inhibitor that shrinks prostate size over time - Takes **6+ months** to show clinical benefit, not ideal for initial symptom relief - More appropriate for patients with large prostates (>40g) or as combination therapy *TURP (Transurethral Resection of Prostate)* - **Surgical intervention** reserved for refractory cases, complications, or failure of medical management - Not appropriate as initial management - Indications: recurrent retention, refractory hematuria, bladder stones, renal insufficiency due to BPH *Observation* - Appropriate for **asymptomatic or mildly symptomatic** patients (watchful waiting) - This patient presents with urinary symptoms requiring active management - Not suitable when symptoms are bothersome enough to prompt medical consultation

Q: A 60-year-old patient presents with painless hematuria. He is diagnosed with bladder cancer involving the muscle layer. What is the next best step in the treatment of this patient?

Radical cystectomy. ***Radical cystectomy***- Because this tumor involves the **muscle layer**, it is classified as **muscle-invasive bladder cancer (MIBC)** (T2 stage or higher), for which radical cystectomy is the gold standard treatment for patients who are surgical candidates.- This procedure involves complete removal of the bladder and adjacent pelvic lymph nodes, followed by urinary diversion, offering the best survival and curative rates for localized MIBC.*Intravesical administration of BCG*- This immunotherapy is used primarily for **high-risk non-muscle-invasive bladder cancer (NMIBC)**, particularly carcinoma in situ (CIS) or high-grade T1 tumors, to reduce recurrence.- It cannot achieve adequate penetration or tumor clearance in tumors that have already invaded the **detrusor muscle**.*Radiotherapy*- Radiotherapy is typically used as part of a **bladder-preserving trimodality therapy** (TMT) when the patient is unable or unwilling to undergo surgery.- For fit patients with MIBC, **radical cystectomy** generally provides superior long-term survival rates compared to radiotherapy alone.*Neoadjuvant chemotherapy with Mitomycin C*- **Mitomycin C** is an agent used *intravesically* for NMIBC, similar to BCG, to prevent recurrence after TURBT.- Standard **neoadjuvant chemotherapy** for MIBC (given before cystectomy) consists of **systemic platinum-based regimens** (like Gemcitabine/Cisplatin) and not local Mitomycin C.

Q: Which of the following will have unilateral hydronephrosis?

Retrocaval ureter. ***Retrocaval ureter*** - This is a rare congenital anomaly where the **right ureter** passes behind the inferior vena cava (IVC), causing extrinsic compression and obstruction. - Since only the right ureter is involved in this pathway abnormality, it inherently results in **unilateral hydronephrosis** of the right kidney. *Phimosis* - Phimosis is the inability to retract the foreskin; severe cases can cause distal urinary outflow obstruction. - If obstruction is severe enough to cause hydronephrosis, the resulting high intravesical pressure would be transmitted equally to both kidneys, usually causing **bilateral hydronephrosis**. *Posterior urethral valves* - **Posterior urethral valves (PUV)** are congenital folds in the posterior urethra, causing obstruction distal to the bladder neck. - This obstruction leads to high intravesical pressure, which impairs drainage from both kidneys, inevitably resulting in **bilateral hydronephrosis**. *Urethral strictures* - Urethral strictures are narrowings of the urethra, usually acquired, which obstruct urine flow distal to the bladder. - Significant obstruction at this level causes increased back pressure in the bladder and ureters, usually leading to pressure effects and subsequent **bilateral hydronephrosis**.

Question 1

A patient with non-seminomatous tumor of the testis has more than 4 retroperitoneal lymph nodes involved. What is the appropriate management for this patient, considering the following treatment options, except one?

Accepted Answer

Radiotherapy

Answer

Retroperitoneal Lymph Node Dissection (RPLND)

Answer

Inguinal orchiectomy

Answer

Chemotherapy

Question 2

Which of the following statement is false about hydrocele?

Accepted Answer

Wait for 5 years for spontaneous closure of congenital hydrocele

Answer

Arises due to patent processus vaginalis

Answer

Lord's plication of sac for small hydrocele

Answer

Jaboulay's eversion of sac for medium hydrocele

Question 3

In which of the following conditions is a cystometric study indicated?

Accepted Answer

Neurogenic bladder

Answer

Stress incontinence

Answer

Fistula

Answer

Urge incontinence

Question 4

A 13-year-old male was brought to OPD with pain right side testes after being hit by a cricket ball 2 hours back. On examination, severe testicular pain and an absent cremasteric reflex. What is the next step?

Accepted Answer

Surgical exploration

Answer

USG Venous Doppler

Answer

NSAIDS

Answer

USG Arterial Doppler

Question 5

In a follow-up case of prostate cancer, what do we need to check?

Accepted Answer

PSA

Answer

Acid phosphatase

Answer

Alkaline phosphatase

Answer

Testosterone

Question 6

A 22-year-old male presents to the emergency department with a strong urge to urinate but is unable to do so. He has a history of perineal trauma. On examination, blood is noted at the external urethral meatus. Which structure is most likely injured?

Accepted Answer

Bulbar urethra

Answer

Intraperitoneal Bladder rupture

Answer

Posterior urethral valve

Answer

Membranous urethra

Question 7

Which of the following is the recommended treatment for the ureteric stone shown in the image?

Accepted Answer

Ureteroscopy

Answer

Percutaneous nephrolithotomy

Answer

ESWL

Answer

Wait and watch

Question 8

A patient presents with urinary symptoms due to benign prostatic hyperplasia. Which of the following is used to manage the urinary symptoms in the initial stage of this condition?

Accepted Answer

Tamsulosin

Answer

Finasteride

Answer

Observation

Answer

TURP-Transurethral resection of prostate

Question 9

A 60-year-old patient presents with painless hematuria. He is diagnosed with bladder cancer involving the muscle layer. What is the next best step in the treatment of this patient?

Accepted Answer

Radical cystectomy

Answer

Radiotherapy

Answer

Neoadjuvant chemotherapy with Mitomycin C

Answer

Intravesical administration of BCG

Question 10

Which of the following will have unilateral hydronephrosis?

Accepted Answer

Retrocaval ureter

Answer

Phimosis

Answer

Posterior urethral valves

Answer

Urethral strictures

Urology — MCQs

Urology — MCQs

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