Benign vascular tumors, cysts and pseudocysts of the adrenal gland: a contemporary multi-institutional clinicopathologic analysis of 55 cases

Benign adrenal vascular tumors, cysts and pseudocysts are a heterogeneous group of relatively uncommon entities that may pose diagnostic challenges radiologically and pathologically. However, there are only a few small cases series, systematically characterizing the clinicopathologic features of these lesions. We identified 55 cases of benign adrenal vascular tumors, cysts and pseudocysts (23 pseudocysts, 17 hemangiomas, 8 lymphangiomas, 6 angiomatous endothelial cysts and 1 arteriovenous malformation) from a multi-institutional Urologic Pathology database between 2000–2017, and retrospectively analyzed their clinicopathologic features.

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