Clinical History:
34 year old male with persistent history of hematuria
for 6 months.
Work-up included urine cytology, which showed no
malignant cells. CT and MRI showed a 5.5 cm R-lower pole
complex renal cyst with nodularity and thickening.
Gross section:
Cut section of the renal mass reveals a 5.8 x 5.7 x 5.4
cm rounded, encapsulated yellow-white, cystic
multilocular mass filled with serous and colloid fluid
Histology:
The
sections show several cystic structures lined by single
layers of flattened and cuboidal cells separated by
fibrous septa. |