Malignant cystic nephroma.
OBJECTIVE
To describe a malignant cystic nephroma in an asymptomatic man.


METHODS
Case report and review of the literature.


RESULTS
A 60 year old white male presented with an incidentally discovered right perirenal mass. An MRI demonstrated a large perinephric encapsulated mass with diffuse heterogeneity. Patient underwent a radical nephrectomy and retroperitoneal node dissection. Histopathological analyses of the resected specimen revealed malignant cystic nephroma.


CONCLUSIONS
This represents the first published report of this rare tumor in an adult patient.
Raj
Ganesh V
GV
Division of Urology, Duke University Medical Center, Durham, North Carolina 27710, USA.
Yowell
Charles
C
Madden
John F
JF
Nosnik
Israel
I
Mouraviev
Vladimir
V
Polascik
Thomas J
TJ
D006801:Humans; D052177:Kidney Diseases, Cystic / Q000175:diagnosis*; D007680:Kidney Neoplasms / Q000175:diagnosis* / Q000601:surgery; D008297:Male; D008875:Middle Aged