**Question:** In extraperitoneal rupture of bladder, urine extravasates in -

A. subcutaneous tissue
B. peritoneal cavity
C. soft tissues
D. fascia

**Core Concept:**
Extraperitoneal rupture of the bladder is a type of urinary system injury where the bladder is torn between the peritoneum and the posterior layer of the rectus sheath. When this occurs, urine leaks out from the bladder into the extraperitoneal space.

**Why the Correct Answer is Right:**
In an extraperitoneal rupture of the bladder, urine leaks out into the subcutaneous tissue surrounding the bladder, as opposed to the peritoneal cavity in a peritoneal rupture of the bladder. This distinction is important in guiding management and prognosis. The subcutaneous tissue lies between the peritoneum and muscular layer, and acts as a barrier preventing urine from entering the peritoneal cavity.

**Why Each Wrong Option is Incorrect:**
A. Peritoneal cavity: In a peritoneal rupture, urine leaks into the peritoneal cavity, which is not the case in an extraperitoneal rupture.
B. Soft tissues: This is a broad term and does not specifically address the correct location of urine extravasation in an extraperitoneal rupture.
D. Fascia: Fascia is a thin, tough connective tissue layer, and does not accurately describe the specific location of urine leakage in an extraperitoneal rupture.

**Clinical Pearl:**
In clinical practice, distinguishing between extraperitoneal and peritoneal rupture is crucial, as management and prognosis differ. An extraperitoneal rupture presents with lower abdominal pain, while a peritoneal rupture causes severe abdominal pain, rigidity, and systemic signs like rigidity and shock. Early diagnosis and management are essential to prevent complications like sepsis and secondary injuries.