Angiomyolipoma of the adrenal gland: clinical experience and literature review release_whhs3dp42rflxnm5haj4teebuy

by Yang Yang, Jie Hu, Jingjing Zhang, Fuqin Wang, Cheng He, Yanli Yang, Jie Lian, Tijiang Zhang, Heng Liu

Published in Annals of Translational Medicine by AME Publishing Company.

Volume 8, Issue 10 p654-654 (2020)


Angiomyolipomas, a type of benign mesenchymal tumor originating from perivascular epithelioid cells, are composed of mature adipose tissue, smooth muscle, and thick-walled vessels. With fewer than 20 cases reported in English literature, adrenal angiomyolipoma is extremely rare. In these cases, the patient is usually asymptomatic and the tumor is found incidentally. Adrenal angiomyolipoma has never been reported in association with lung cancer. A 62-year-old man presented with an enlarged mass in the left adrenal gland. The mass had persisted for two years previously and was first discovered during a routine follow-up CT examination after lung cancer resection in 2016. Subsequently, partial left adrenal resection was performed. Postoperative histopathology confirmed a benign angiomyolipoma comprising adipose tissue, blood vessels, and smooth muscle cells. At three months follow-up, the patient was alive and had experienced no recurrence after the operation. Eighteen cases were identified on literature review, among which no patients had a history of lung cancer. These cases occurred more often in females and lesions mostly located on the right side. All of the reported cases were nonfunctional, ranging in size from 0.2 to 16 cm (95% of the masses exceeding 4 cm). In this case report, we consider a rare case of a patient with an adrenal angiomyolipoma with a history of lung cancer. Adrenal angiomyolipoma should be considered as one of the differential diagnoses of adrenal metastasis for patients with a history of primary tumors.
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