A CASE OF SPECIFIC RENAL HAMARTOMA
1983 Volume 74 Issue 5 Pages 853-860
Details
1983 Volume 74 Issue 5 Pages 853-860
A 23-year-old female was seen bacause of a mass in the left hypochordrium of 3 years duration. Excretory urography showed non-visualization of the left kidney. Arteriography, computed tomography and echography revealed a large tumor with cysts in the left kidney. Transthoracoabdominal left nephrectomy was carried out. The left kidney measured 21 by 13 by 11cm. and weighed 1381gm. The renal medulla, pelvis and upper ureter were entirely replaced by the tumor. The tumor consisted of a solid mass containing many cysts of various sizes. The renal parenchyma was thin, less than 5mm. in thickness.
Microscopically, the tumor was composed of both epithelial and mesenchymal components. The epithelial elements were made up of cystic and tubular structures, and the mesenchymal areas were angiomyomatous. However, fatty tissue was a minor element of non-epithelial portion of the tumor. This case was diagnosed as specific hamartoma histopathologically.
We think that this lesion was a transitional form from angiomyolipoma to congenital mesoblastic nephroma of adult.
