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Case 357

Surgical Pathology Case
 

CLINICAL INFORMATION

  14 months old male. Left renal mass.

GROSS DESCRIPTION

 

The 15 x 15 12 cm, 920 grams kidney is occupied by a mass with only part of the renal parenchyma left. The outer surface of the tumor is smooth and pale, gray-tan. The mass has a fluctuant feel to it. Cut surfaces demonstrate a multicystic mass, extruding abundant pale yellow to clear fluid. These cysts range from <0.1 cm to 6.0 cm.

     
 
 

HE, 2

HE, 4

 
 

HE, 10

HE, 10

     
 

Click here for diagnosis and discussion.

 

Source: Children's Hospital, Omaha, NE

Photo: Zenggang Pan

Discussion: Zenggang Pan