A large adrenocortical adenoma surrounded with a renal arteriovenous malformation

Autor: Takato Nishino, Kazutaka Narimoto, Koki Tominaga, Masayuki Sano, Masaki Shimbo, Natsuka Muraishi, Naoki Kanomata, Kazunori Hattori
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: IJU Case Reports, Vol 4, Iss 4, Pp 224-227 (2021)
Druh dokumentu: article
ISSN: 2577-171X
DOI: 10.1002/iju5.12293
Popis: Introduction Large adrenal adenomas are clinically rare. We report a case of a large adrenal adenoma with a renal arteriovenous malformation, mimicking a malignant adrenal tumor in preoperative imaging. Case presentation A 66‐year‐old woman presented to a local hospital with abdominal pain. A right adrenal tumor was detected, 66 mm in diameter and surrounded by thick and tortuous vessels. Based on the imaging findings, pheochromocytoma was suspected. However, clinical symptoms and endocrine abnormalities were absent, and radionuclide accumulation in scintigraphy was negative. Laparoscopic right adrenalectomy was performed. Intraoperatively, a notable growth of vessels forming a nidus surrounding the tumor was observed. Pathologically, this was diagnosed as an adrenocortical adenoma in conjunction with a renal arteriovenous malformation. Conclusion We report a case of a large adrenal tumor surrounded with an arteriovenous malformation. To the best of our knowledge, this is the first reported case of this combination.
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