Urology — MCQs

A 20-year-old female presented to the emergency department with high-grade swinging fever, abdominal tenderness, and a flank mass. On CT, there was a collection around the kidney. Antibiotics were started, but the patient's condition did not improve after 48 hours. What is the next best treatment option?

Q220Easy

What is the primary aim of an abbreviated laparotomy?

Urology Indian Medical PG Practice Questions and MCQs

Question 211: Where is the working end of a cryer elevator placed?

A. At the junction of interseptal bone and the mesiobuccal portion of the root
B. Over the interradicular bone (Correct Answer)
C. On the distobuccal root
D. Between the teeth and gingiva

Explanation: **Explanation:** The **Cryer elevator** (also known as a "flag" or "triangular" elevator) is a pair-coded instrument specifically designed for the removal of mandibular molar roots. Its primary mechanism of action is the **wheel and axle** principle. **Why Option B is Correct:** The Cryer elevator is most commonly used when one root of a mandibular molar has been extracted, leaving the other root in the socket. The working tip is inserted into the empty socket and placed **over the interradicular bone** (the bony septum between roots). By rotating the elevator, the sharp tip engages and crushes the interradicular bone to gain purchase, subsequently elevating the remaining root out of its socket. **Analysis of Incorrect Options:** * **Option A:** Placing the elevator at the mesiobuccal portion is more characteristic of a straight elevator (like Coupland’s) used for initial luxation, not the specific application of a Cryer. * **Option C:** Placing it directly on the root surface without a bony fulcrum would likely result in slipping or further fracturing the root rather than elevating it. * **Option D:** Placing an elevator between the teeth and gingiva is the step for soft tissue reflection (using a periosteal elevator), not for root delivery. **High-Yield Clinical Pearls for NEET-PG:** * **Mechanical Principle:** Cryer elevators primarily use the **Wheel and Axle** principle (and secondarily the Lever principle). * **Indications:** Specifically for removing a **retained root** of a mandibular molar after the adjacent root is removed. * **Direction of Force:** The force is directed towards the root to be removed, using the interradicular septum as the fulcrum. * **Precaution:** Excessive force can fracture the mandible or displace the root into the submandibular space.

Question 212: What is the most common late complication of traumatic rupture of the urethra?

A. Diverticulum
B. Retrograde ejaculation
C. Stricture (Correct Answer)
D. Chordee

Explanation: **Explanation:** The correct answer is **Stricture**. Traumatic rupture of the urethra, whether involving the posterior urethra (associated with pelvic fractures) or the anterior urethra (associated with straddle injuries), leads to significant tissue damage and extravasation of urine and blood. **1. Why Stricture is Correct:** Healing of a urethral injury occurs through **fibrosis and scarring**. Because the urethra is a narrow conduit, the contraction of this fibrous tissue during the remodeling phase (weeks to months after injury) inevitably leads to a narrowing of the lumen, known as a **urethral stricture**. This is the most frequent and clinically significant late sequela, often requiring surgical intervention like urethroplasty or optical internal urethrotomy. **2. Why Other Options are Incorrect:** * **Diverticulum:** While a "false diverticulum" can occur due to localized urine extravasation or post-stenotic dilatation, it is a rare complication compared to the near-universal risk of scarring. * **Retrograde Ejaculation:** This is more commonly a complication of bladder neck surgeries (like TURP) where the internal sphincter is damaged, rather than a direct result of urethral rupture. * **Chordee:** This refers to a ventral curvature of the penis, usually associated with congenital hypospadias or Peyronie’s disease, not typically a late result of urethral rupture. **Clinical Pearls for NEET-PG:** * **Gold Standard Investigation:** For suspected urethral injury, the initial investigation of choice is **Retrograde Urethrogram (RUG)**. * **Posterior Urethra:** Most commonly injured in pelvic fractures (specifically the membranous part). * **Anterior Urethra:** Most commonly injured in "straddle injuries" (specifically the bulbar part). * **Classic Triad:** Blood at the meatus, inability to void, and a palpable distended bladder (with a "high-riding prostate" on DRE in posterior injuries).

Question 213: Tear-drop bladder is seen in which of the following conditions?

A. Tuberculosis
B. Hunner's ulcer
C. Perivesical hemorrhage with rupture (Correct Answer)
D. Perivesical hemorrhage without rupture

Explanation: ### Explanation **Concept:** A **Tear-drop bladder** (also known as a pear-shaped or gourd-shaped bladder) is a radiologic sign seen on a cystogram or CT scan. It occurs when the bladder is compressed from both sides by extrinsic pressure, causing it to elongate vertically. **Why Option C is Correct:** In the context of trauma, a **perivesical (pelvic) hematoma** is the most common cause. When a pelvic fracture occurs, it can lead to significant hemorrhage in the space of Retzius. This bilateral accumulation of blood and fluid (often associated with **extraperitoneal bladder rupture**) compresses the bladder from the lateral aspects, forcing it into a narrow, vertical "tear-drop" configuration. **Why Other Options are Incorrect:** * **Tuberculosis (Option A):** Genitourinary TB leads to a **"Thimble bladder"** (a small, shrunken, fibrotic bladder with low capacity) due to extensive scarring, not extrinsic compression. * **Hunner’s Ulcer (Option B):** This is a classic finding in **Interstitial Cystitis**. While it causes a painful, low-capacity bladder, it does not produce the tear-drop shape. * **Perivesical hemorrhage without rupture (Option D):** While a hematoma alone can compress the bladder, the classic "tear-drop" sign in surgical trauma questions is most frequently associated with the combination of pelvic fracture, hematoma, and **bladder rupture** (specifically extraperitoneal). **NEET-PG High-Yield Pearls:** * **Differential Diagnosis for Tear-drop Bladder:** 1. Pelvic hematoma (Trauma - Most Common). 2. Pelvic Lipomatosis (Non-traumatic, bilateral fat deposition). 3. Bilateral iliac artery aneurysms. 4. Pelvic lymphadenopathy or massive psoas hypertrophy. * **Christmas Tree Bladder:** Seen in Neurogenic bladder (detrusor-sphincter dyssynergia). * **Thimble Bladder:** Seen in Tuberculosis and Schistosomiasis.

Question 214: What is the surgical treatment for a congenital hydrocele?

A. No treatment required before 5 years of age
B. Herniorrhaphy
C. Herniotomy (Correct Answer)
D. Eversion of the sac

Explanation: **Explanation:** The surgical treatment for a congenital hydrocele is **Herniotomy**. **1. Why Herniotomy is the Correct Answer:** A congenital hydrocele is caused by a **patent processus vaginalis (PPV)**—a failure of the communication between the peritoneal cavity and the scrotum to close. This allows peritoneal fluid to track down into the tunica vaginalis. Because the underlying pathology is a persistent communication (the same mechanism as an indirect inguinal hernia in children), the treatment is high ligation of the sac at the level of the internal inguinal ring, which is termed a **Herniotomy**. **2. Analysis of Incorrect Options:** * **Option A (No treatment before 5 years):** Most congenital hydroceles resolve spontaneously as the PPV closes during the first year of life. However, if it persists beyond **1.5 to 2 years** of age, surgical intervention is indicated. Waiting until 5 years is clinically inappropriate. * **Option B (Herniorrhaphy):** This involves repairing or reinforcing the posterior wall of the inguinal canal. This is necessary in adults with direct hernias but is contraindicated in children as it can interfere with the development of the spermatic cord. * **Option D (Eversion of the sac):** Procedures like Jaboulay’s or Lord’s procedure (eversion/plication) are used for **primary (vaginal) hydroceles in adults**, where the cause is an imbalance in fluid secretion/absorption, not a patent communication. **3. High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard:** In the pediatric age group, the approach for both hydrocele and inguinal hernia is always **Inguinal**, never scrotal. * **Associated Condition:** Congenital hydroceles are often "communicating," meaning the size fluctuates (larger during the day/activity, smaller at night). * **Timing:** Surgery is typically recommended if the hydrocele persists after **age 2**.

Question 215: What is true about a vaginal hydrocele?

A. It remains in the scrotum. (Correct Answer)
B. It is confined to the spermatic cord.
C. It is confined to the inguinal canal.
D. It communicates with the peritoneal cavity.

Explanation: A **vaginal hydrocele** is the most common type of hydrocele, occurring when fluid accumulates within the **tunica vaginalis** (the serous sac surrounding the testis). ### **Why the Correct Answer is Right** In a vaginal hydrocele, the **processus vaginalis** is completely obliterated in its proximal (funicular) portion but remains patent around the testis. Because the upper part of the sac is closed, the fluid is trapped within the tunica vaginalis, causing the swelling to be **confined entirely to the scrotum**. It does not extend into the inguinal canal or communicate with the abdomen. ### **Explanation of Incorrect Options** * **B & C (Confined to the spermatic cord/inguinal canal):** These describe an **Encysted Hydrocele of the Cord**. In this condition, the processus vaginalis is obliterated both at the internal ring and just above the testis, leaving a fluid-filled cyst in the middle (the spermatic cord). * **D (Communicates with the peritoneal cavity):** This describes a **Congenital (Communicating) Hydrocele**. Here, the processus vaginalis remains patent throughout its length, allowing peritoneal fluid to move between the abdomen and the scrotum. This is often associated with an indirect inguinal hernia. ### **NEET-PG High-Yield Pearls** * **Clinical Sign:** A vaginal hydrocele is characterized by the ability to **"get above the swelling"** during palpation, distinguishing it from an inguinal hernia. * **Transillumination:** This is the classic diagnostic test; hydroceles are brilliantly transilluminant. * **Lord’s Plication:** A surgical technique used for small, thin-walled hydroceles where the sac is folded and sutured. * **Jaboulay’s Procedure:** The standard surgery for large, thick-walled hydroceles involving eversion of the sac.

Question 216: Ligation of the spermatic cord in orchidectomy for the treatment of testicular tumor is performed at which anatomical landmark?

A. External inguinal ring
B. Internal inguinal ring (Correct Answer)
C. Base of the scrotum
D. Superior to the epididymis

Explanation: **Explanation:** In the surgical management of a suspected testicular tumor, the standard procedure is a **Radical Inguinal Orchidectomy**. The primary anatomical goal is to ligate the spermatic cord at the level of the **Internal Inguinal Ring** (Deep Ring). **Why the Internal Inguinal Ring is correct:** Testicular tumors spread primarily via the lymphatic system, following the path of the testicular veins back to the **paraaortic lymph nodes**. By ligating the cord high at the internal ring, the surgeon ensures the removal of the entire lymphatic drainage pathway associated with the cord. Furthermore, this "high ligation" prevents the potential seeding of malignant cells into the systemic circulation or the scrotal lymphatics during the manipulation of the testis. **Analysis of Incorrect Options:** * **External Inguinal Ring:** Ligating here would leave behind a significant portion of the spermatic cord and its associated lymphatics within the inguinal canal, increasing the risk of local recurrence. * **Base of the Scrotum:** This approach (Scrotal Orchidectomy) is strictly **contraindicated** in malignancy. It disrupts the natural lymphatic barrier, potentially causing the tumor to spread to the inguinal lymph nodes (which normally drain the scrotum, not the testis). * **Superior to the Epididymis:** This is an inadequate level of ligation that fails to address the proximal lymphatic channels and the vascular supply at its origin. **High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard:** Radical Inguinal Orchidectomy is the definitive initial step for both diagnosis and treatment of testicular germ cell tumors. * **Biopsy Warning:** Transscrotal biopsy or aspiration of a testicular mass is **never** performed due to the risk of "lymphatic upset" and scrotal seeding. * **Lymphatic Drainage:** Testis → Paraaortic nodes; Scrotum → Superficial Inguinal nodes. * **Incision:** The incision is made over the inguinal canal (above and parallel to the inguinal ligament), not on the scrotum.

Question 217: Orchidectomy is not indicated in which of the following conditions?

A. Prostate cancer
B. Seminoma testes
C. Filarial epididymo-orchitis (Correct Answer)
D. Male breast cancer

Explanation: **Explanation:** The core principle behind orchidectomy (surgical removal of the testis) is either the management of a **malignancy** or **hormone ablation** for androgen-dependent cancers. **Why Filarial Epididymo-orchitis is the correct answer:** Filarial epididymo-orchitis is an inflammatory condition caused by *Wuchereria bancrofti*. It typically presents with acute scrotal pain, fever, and funiculitis. The management is primarily **medical**, using Diethylcarbamazine (DEC) and supportive care (NSAIDs, scrotal support). Surgery is only indicated for complications like a chronic hydrocele (Jaboulay’s procedure) or lymph varix, but the testis itself remains viable and is preserved. **Analysis of Incorrect Options:** * **Prostate Cancer:** Bilateral subcapsular orchidectomy is a form of **Androgen Deprivation Therapy (ADT)**. Since prostate cancer is testosterone-dependent, removing the source of androgens (the testes) is a standard palliative treatment to control metastatic disease. * **Seminoma Testes:** High Inguinal Orchidectomy is the **gold standard** treatment for any suspected testicular germ cell tumor (SGCT). A trans-scrotal approach is contraindicated to avoid altering lymphatic drainage. * **Male Breast Cancer:** Similar to prostate cancer, many male breast cancers are hormone-receptor positive. Orchidectomy serves as a surgical hormonal manipulation to reduce estrogen/testosterone levels in advanced or metastatic cases. **High-Yield Clinical Pearls for NEET-PG:** * **High Inguinal Orchidectomy:** Always performed via an inguinal incision with early vascular control at the internal ring to prevent tumor seeding. * **Subcapsular Orchidectomy:** Preferred in prostate cancer as it preserves the tunica albuginea, providing a better cosmetic/psychological result for the patient. * **Fournier’s Gangrene:** Another scrotal emergency where orchidectomy is usually **not** indicated, as the testicular blood supply (testicular artery) is independent of the scrotal skin.

Question 218: Assessment in suspected prostate cancer should include ALL EXCEPT?

A. Transrectal ultrasound-guided biopsy (TRUS)
B. Cross-sectional MRI imaging
C. Bone scan
D. Intravenous urogram (IVU) (Correct Answer)

Explanation: ### Explanation The assessment of suspected prostate cancer focuses on **diagnosis**, **risk stratification**, and **staging**. **Why Intravenous Urogram (IVU) is the Correct Answer:** IVU is a functional study used to visualize the collecting system of the kidneys, ureters, and bladder. While it was historically used to check for ureteric obstruction or bladder floor elevation (the "J-shaped" or "fish-hook" ureter) caused by an enlarged prostate, it provides **no diagnostic or staging information** regarding the malignancy itself. In modern urology, IVU has been largely replaced by CT Urography and has no role in the standard workup of prostate cancer. **Analysis of Other Options:** * **TRUS-guided Biopsy:** This is the traditional gold standard for obtaining a tissue diagnosis. It allows for systematic sampling (usually 12 cores) to determine the **Gleason Score**. * **Cross-sectional MRI:** Specifically **Multiparametric MRI (mpMRI)** is now the preferred initial investigation. It helps in local staging (T-staging), identifying extracapsular extension, and guiding targeted biopsies (MRI-TRUS fusion). * **Bone Scan:** Prostate cancer is highly osteoblastic. A Technetium-99m MDP bone scan is the standard investigation to rule out distant **skeletal metastasis** in patients with high PSA levels (>20 ng/ml) or high-grade tumors. ### High-Yield Clinical Pearls for NEET-PG * **Screening:** Digital Rectal Examination (DRE) and Serum PSA are the primary screening tools. * **Most Common Site:** 70% of prostate cancers arise in the **Peripheral Zone**. * **Metastasis:** The most common site of distant spread is the **bone** (specifically the lumbar spine via Batson’s venous plexus), typically presenting as **osteoblastic** lesions. * **Definitive Diagnosis:** Histopathological examination via biopsy is mandatory before definitive treatment.

Question 219: A 20-year-old female presented to the emergency department with high-grade swinging fever, abdominal tenderness, and a flank mass. On CT, there was a collection around the kidney. Antibiotics were started, but the patient's condition did not improve after 48 hours. What is the next best treatment option?

A. Percutaneous drainage under CT guidance (Correct Answer)
B. Open surgical drainage
C. Nephrectomy
D. Observation and follow-up

Explanation: ### Explanation The clinical presentation of high-grade swinging fever, flank mass, and tenderness, combined with CT findings of a collection around the kidney, is diagnostic of a **Perinephric Abscess**. **1. Why Percutaneous Drainage (PCD) is the Correct Choice:** The standard management for a renal or perinephric abscess follows a step-wise approach. While small abscesses (<3 cm) may respond to intravenous antibiotics alone, larger collections or those failing to respond to medical therapy within 48–72 hours require **active drainage**. Percutaneous drainage under CT or ultrasound guidance is the **first-line intervention** because it is minimally invasive, allows for culture-specific antibiotic adjustment, and has a high success rate with lower morbidity compared to open surgery. **2. Why Other Options are Incorrect:** * **Open Surgical Drainage:** This is reserved for cases where percutaneous drainage fails, the abscess is multiloculated, or the collection is extremely viscous. It is not the initial procedural step. * **Nephrectomy:** This is a radical measure only indicated if the kidney is non-functional (e.g., due to chronic xanthogranulomatous pyelonephritis) or if there is uncontrollable sepsis despite drainage. * **Observation and Follow-up:** The patient is clinically deteriorating ("swinging fever," no improvement after 48 hours of antibiotics). Continued observation without intervention leads to high mortality. **Clinical Pearls for NEET-PG:** * **Most common cause:** Ascending urinary tract infection (E. coli, Proteus) or hematogenous spread (S. aureus). * **Triad of Perinephric Abscess:** Fever, flank pain, and a palpable mass. * **Imaging of Choice:** Contrast-Enhanced CT (CECT) is the gold standard for diagnosis and staging. * **Rule of Thumb:** If an "obstructed" kidney is infected (pyonephrosis), the immediate priority is **decompression** (via PCN or DJ stenting).

Question 220: What is the primary aim of an abbreviated laparotomy?

A. To decrease the chance of infection
B. To facilitate early ambulation
C. To promote early wound healing
D. To ensure adequate haemostasis (Correct Answer)

Explanation: **Explanation:** The primary aim of an **abbreviated laparotomy**, also known as **Damage Control Surgery (DCS)**, is to rapidly control life-threatening hemorrhage and limit gastrointestinal contamination. This approach is utilized in critically ill trauma patients who are physiological exhausted and at risk of the "Lethal Triad" (acidosis, hypothermia, and coagulopathy). **1. Why Option D is Correct:** In the setting of severe trauma, the goal is not definitive anatomical repair but **physiological restoration**. Ensuring **adequate haemostasis** (via packing, shunting, or simple ligation) is the most critical step to stop the "bloody vicious cycle." By quickly controlling bleeding and contamination, the surgeon can terminate the operation early to allow the patient to be stabilized in the ICU. **2. Why Other Options are Incorrect:** * **Option A:** While sterile technique is maintained, abbreviated laparotomy actually carries a *higher* risk of infection due to the use of temporary abdominal closures and intra-abdominal packing. * **Option B:** These patients are critically ill and often kept sedated/paralyzed in the ICU; early ambulation is not a priority in the acute damage control phase. * **Option C:** The abdomen is often left open with a temporary dressing (e.g., Bogota bag or VAC); primary wound healing is intentionally delayed until the patient is stable enough for a "re-look" surgery. **High-Yield Clinical Pearls for NEET-PG:** * **The Lethal Triad:** Hypothermia, Acidosis, and Coagulopathy. DCS aims to interrupt this cycle. * **Stages of Damage Control:** 1. **Part I:** Abbreviated laparotomy (Haemostasis & Contamination control). 2. **Part II:** ICU resuscitation (Rewarming & Correction of coagulopathy). 3. **Part III:** Planned re-operation for definitive repair. * **Indications:** pH < 7.2, Temperature < 34°C, or massive transfusion requirements (>10 units).

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