Multilocular cystic nephroma

Case contributed by Dr Roberto Schubert

Presentation

Palpable mass in the left middle abdomen. Allergy to iodinated contrast.

Patient Data

Age: 55
Gender: Female
Modality: MRI

Large multilocular cystic mass of the left kidney with fluid-equivalent and atypical cysts, no intracystic enhancement.

Case Discussion:

Histopathology report: multiple, partly hyalinised connective tissue septae with round cell infiltration and pigmented foam cell aggregates.Predominantly one-layered, eosinophilic epithelial cystic wall. Intracystic eosinophilic secretion. Solitary cholesterol granulomas and focal calcifications. No signs of malignancy.

Cystic nephroma with focal regressive changes. 

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Case Information:

rID: 17489
Diagnostic certainty: Certain
System: Urogenital
Inclusion in quiz mode: Included

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