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| hepatocellular adenoma ： ウィキペディア英語版 |
hepatocellular adenoma
Hepatocellular adenoma, also hepatic adenoma, or rarely hepadenoma, is an uncommon benign liver tumor which is associated with the use of hormonal contraception with a high estrogen content. Patients taking higher potency hormones, patients of advanced age, or patients with prolonged duration of use have a significantly increased risk of developing hepatocellular adenomas.
==Signs and Symptoms==
About 25-50% of hepatic adenomas cause pain in the right upper quadrant or epigastric region of the abdomen.〔 Since hepatic adenomas can be large (8–15 cm), patients may notice a palpable mass. However, hepatic adenomas are usually asymptomatic, and may be discovered incidentally on imaging ordered for some unrelated reason.〔 If not treated, there is a 30% risk of bleeding.〔 Bleeding may lead to hypotension, tachycardia, and sweating (diaphoresis).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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