Mucinous Adenocarcinoma in a Horseshoe Kidney
한만훈, 김법완, 남상철, 윤길숙,
소속 상세정보
한만훈 ( Han Man-Hoon )
경북대학교 의과대학 병리학교실
김법완 ( Kim Bup-Wan )
경북대학교 의과대학 비뇨기과학교실
남상철 ( Nam Sang-Chul )
경북대학교 의과대학 병리학교실
윤길숙 ( Yun Kil-Suk )
경북대학교 의과대학 병리학교실
KMID : 0357920080420010060
Abstract
We report here on a case of mucinous adenocarcinoma that probably originated in the renal pelvis of a horseshoe kidney. A 61-year-old woman presented with a palpable mass in the left upper quadrant of the abdomen, and this mass had been present for several months. Computed tomography (CT) revealed a left renal pelvic tumor in the horseshoe kidney. Grossly, a 10×9×8 cm unilocular cystic mass filled with chocolate colored mucinous fluid was seen. A connection between the cystic mass and the renal pelvis was demonstrated on retrograde pyelography. Microscopically, the cyst contained anaplastic columnar mucosecretory epithelial cells. Some atypical cell clusters were freely floating in the mucinous lakes. The histopathological findings were consistent with mucinous adenocarcinoma. In addition, glandular metaplasia was noted in the cystic wall. Immunohistochemical assessment of the pelvic adenocarcinoma revealed the positive expressions of carcinoembryonic antigen (CEA) and cytokeratin 20 (CK20) and a weak positive expression of cytokeratin 7 (CK7).
키워드
Mucinous adenocarcinoma; Kidney
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