Ushioda Ryohei, Shirasaka Tomonori, Kikuchi Shinsuke, Kamiya Hiroyuki, Kanamori Taro
J Surg Case Rep. 2022 Jan 21;2022(1):rjab608. doi: 10.1093/jscr/rjab608. eCollection 2022 Jan.
A calcified amorphous tumor (CAT) of the heart is a rare, nonneoplastic, intracavitary cardiac mass. Histological examination shows that it contains calcified and amorphous fibrous material with underlying chronic inflammation. Surgical excision is generally recommended to avoid future embolism. The risk of embolism has been reported to be especially high in mitral-annular-calcification-related CAT, which constitutes a subgroup of CAT that is often associated with end-stage renal disease. A case of a CAT attached to the anterior annulus of the mitral valve that was easily removed with a light touch of the forceps through aortotomy is reported.
心脏钙化性无定形肿瘤（CAT）是一种罕见的非肿瘤性心腔内肿块。组织学检查显示，它含有钙化和无定形纤维材料，并伴有潜在的慢性炎症。一般建议手术切除以避免未来发生栓塞。据报道，二尖瓣环钙化相关的CAT发生栓塞的风险特别高，二尖瓣环钙化相关的CAT是CAT的一个亚组，常与终末期肾病相关。本文报告了一例附着于二尖瓣前瓣环的CAT病例，通过主动脉切开术，用镊子轻轻一触即可轻松将其摘除。
