Article

Metanephric adenoma treated with laparoscopic nephrectomy.

Department of Urology, National Tokyo Medical Center, Tokyo, Japan.
International Journal of Urology (impact factor: 1.75). 05/2004; 11(4):232-4. DOI:10.1111/j.1442-2042.2003.00771.x pp.232-4
Source: PubMed

ABSTRACT A 31-year-old-female presented with a left renal mass detected incidentally during an abdominal ultrasound examination. Computed tomography and angiography revealed a hypovascular solid tumor 4.5 cm in diameter at the middle portion of the left kidney. Laparoscopic left nephrectomy was performed and macroscopic examination of the specimen revealed encapsulated tumor with grayish yellow cut surface. Histological examination demonstrated that the tumor cells were small scant cytoplasms, containing round and regular nuclei, forming a glomerular-like structure. There was no mitosis nor cellular atypia indicating a malignant structure. The histological diagnosis was metanephric adenoma.

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Keywords

31-year-old-female
 
abdominal ultrasound examination
 
hypovascular solid tumor 4.5 cm
 
Laparoscopic
 
left kidney
 
left renal mass
 
macroscopic examination
 
middle portion
 
mitosis
 
nephrectomy
 
tumor cells
 

Takashi Ebine