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1. Renal injury in a patient with autosomal dominant polycystic kidney disease

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Figure 51-1

Renal injury in a patient with autosomal dominant polycystic kidney disease.

Contrast-enhanced CT demonstrates high-attenuation hemorrhage in 1 of the left renal cysts (arrow). There is blood in the subcapsular and perinephric spaces. The patient had suffered blunt abdominal trauma.

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2. Perirenal hematoma

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Figure 51-2

Perirenal hematoma.

Contrast-enhanced CT shows a large accumulation of blood in the left perirenal space. There are multiple intrarenal hematomas as well.

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3. Complete renal laceration

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Figure 51-3

Complete renal laceration.

A delayed CT image shows a wedge-shaped defect in the posterior aspect of the right kidney and contrast-opacified urine within the pararenal space.

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4. Shattered kidney

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Figure 51-4

Shattered kidney.

Contrast-enhanced CT shows a large perinephric hematoma and multiple renal fractures.

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5. Bladder rupture

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Figure 51-5

Bladder rupture.

A CT image obtained after instillation of contrast via a urinary catheter shows extravasated contrast (arrow) within the peritoneal space adjacent to the bladder.

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6. Complex extraperitoneal bladder rupture

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Figure 51-6

Complex extraperitoneal bladder rupture.

There is extensive extravasation of contrast from the bladder into the extraperitoneal spaces of the pelvis. The extrinsically compressed bladder has an elongated configuration (arrow).

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7. Urine leak

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Figure 51-7

Urine leak.

Contrast-enhanced CT of a patient 2 days status post a ureteropelvic junction (UPJ) repair shows extravasated contrast medial to the right kidney.

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8. Iatrogenic urine leak

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Figure 51-8

Iatrogenic urine leak.

A transverse sonographic image of the right kidney in a child following a pyeloplasty demonstrates a large crescentic perinephric fluid collection (urinoma).

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9. Hemorrhagic cystitis

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Figure 51-9

Hemorrhagic cystitis.

There is marked bladder wall thickening (arrows) on this longitudinal sonographic image of a bone marrow transplant patient with hematuria.

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10. Radiation cystitis

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Figure 51-10

Radiation cystitis.

A coronal T2-weighted MR image of a child who recently underwent radiation therapy for metastatic Wilms tumor shows diffuse thickening of the bladder ...

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