Villous Adenoma in Renal Pelvis With Manifestation of Percutaneous Fistula and Mucus Secretion

Villous adenomas arising in the bladder following augmentation cystoplasty procedures are exceedingly rare. Even rarer is their occurrence in the native bladder mucosa and the upper urinary tract. In this article, we present a unique case of multifocal recurrent villous adenoma involving native bladder mucosa of an augmented bladder, bilateral ureters, and renal pelvis, with coexistent foci of adenocarcinoma and neuroendocrine carcinoma, in a patient with history of augmentation colocystoplasty. We additionally discuss the pathogenesis of development of carcinoma in the setting of augmentation cystoplasty.

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A rare case of huge villous adenoma of the renal pelvis deforming the abdominal wall

Urology Case Reports ◽

10.1016/j.eucr.2020.101183 ◽

2020 ◽

Vol 31 ◽

pp. 101183

Author(s):

Boyan Stoykov ◽

Nikolay Kolev ◽

Vladislav Dunev ◽

Pencho Genov ◽

Jitian Atanasov ◽

...

Keyword(s):

Abdominal Wall ◽

Renal Pelvis ◽

Villous Adenoma ◽

Rare Case

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MUCINOUS ADENOCARCINOMA OF RENAL PELVIS AND VILLOUS ADENOMA OF BLADDER AFTER A CAECAL AUGMENTATION OF BLADDER

Australian and New Zealand Journal of Surgery ◽

10.1046/j.1440-1622.1999.01540.x ◽

1999 ◽

Vol 69 (3) ◽

pp. 247-248 ◽

Cited By ~ 9

Author(s):

Sidney K. H. Yip ◽

M. P. Wong ◽

M. C. Cheung ◽

J. H. C. Li

Keyword(s):

Renal Pelvis ◽

Mucinous Adenocarcinoma ◽

Villous Adenoma

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Villous adenoma of renal pelvis with muconephrosis: A case report

Archives of International Surgery ◽

10.4103/2278-9596.202364 ◽

2016 ◽

Vol 6 (3) ◽

pp. 183 ◽

Cited By ~ 1

Author(s):

SachinMadhukar Bote ◽

Santosh Menon ◽

MdAyub Karam Nabi Siddiqui ◽

VenkatArjunrao Gite ◽

SaurabhRamesh Patil

Keyword(s):

Case Report ◽

Renal Pelvis ◽

Villous Adenoma

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Intestinal type villous adenoma of the renal pelvis

Canadian Urological Association Journal ◽

10.5489/cuaj.257 ◽

2013 ◽

Vol 7 (1-2) ◽

pp. 138 ◽

Cited By ~ 6

Author(s):

Jill Hudson ◽

Thomas Arnason ◽

Jennifer L.O. Merrimen ◽

Joseph Lawen

Keyword(s):

Renal Pelvis ◽

Villous Adenoma ◽

Renal Mass ◽

Intestinal Type ◽

High Grade ◽

Histopathologic Examination ◽

Computed Tomography Scan ◽

Invasive Adenocarcinoma ◽

Tomography Scan ◽

Villous Adenomas

Intestinal type villous adenomas are uncommon in the genitourinary tract. Most reported cases have been located in the urinary bladder or urachus. Villous adenoma arising in the renal pelvis or ureteris very rare. We present a case of an 81-year-old female who presented with difficulty voiding and mucosuria. A computed tomography scan identified right-sided hydronephrosis, renal parenchymal atrophy, nonobstructing calculi and a lower pole renal mass. She underwent open right nephrectomy. Histopathologic examination of the kidney revealed an intestinal type villous adenoma of the renal pelvis with high-grade dysplasia and focal areas suspicious for invasive adenocarcinoma. We review the four previously reported cases of intestinal type villous adenoma in the renal pelvis and discuss diagnosis and management of this unusual neoplasm.

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