A hematoma located outside the capsule, between the capsule and the liver or spleen (Morrison pouch) is called which type?

A hematoma located outside the capsule, between the capsule and the liver or spleen (Morrison pouch) is called which type?

• A. Intrarenal
• B. Subcapsular (intracapsular)
• C. Peripelvic
• D. Extracapsular (perirenal)

Answer: (D)

Bleeding around the kidney is categorized by its relation to the renal capsule. When the hematoma lies outside the renal capsule but within the perirenal space (inside Gerota’s fascia), it is called an extracapsular, or perirenal, hematoma. The capsule remains intact and the blood tracks in the perirenal space, often extending medially into the hepatorenal recess known as Morrison’s pouch. This contrasts with intrarenal hematomas (within the kidney tissue) and subcapsular hematomas (between the parenchyma and its capsule) or peripelvic hematomas (around the collecting system). Therefore, the described hematoma is extracapsular (perirenal).

Bleeding around the kidney is categorized by its relation to the renal capsule. When the hematoma lies outside the renal capsule but within the perirenal space (inside Gerota’s fascia), it is called an extracapsular, or perirenal, hematoma. The capsule remains intact and the blood tracks in the perirenal space, often extending medially into the hepatorenal recess known as Morrison’s pouch. This contrasts with intrarenal hematomas (within the kidney tissue) and subcapsular hematomas (between the parenchyma and its capsule) or peripelvic hematomas (around the collecting system). Therefore, the described hematoma is extracapsular (perirenal).