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左心室流出道心脏肿瘤：钙化无定形肿瘤的非典型表现。

Cardiac tumor in the left ventricular outflow tract: atypical presentation of calcified amorphous tumor.

作者信息

Endo Toyokazu, Lei Kachon, Ahsan Chowdhury

机构信息

Department of Internal Medicine, Kirk Kerkorian School of Medicine at UNLV, Las Vegas, NV USA.

Division of Cardiovascular Medicine, Kirk Kerkorian School of Medicine at UNLV, Las Vegas, NV, USA.

出版信息

J Surg Case Rep. 2022 May 18;2022(5):rjac179. doi: 10.1093/jscr/rjac179. eCollection 2022 May.

DOI:10.1093/jscr/rjac179
PMID:35599995
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9116587/
Abstract

Calcified amorphous tumor (CAT) of the heart is a rare nonneoplastic tumor. A 71-year-old woman presented with a mobile mass within the left ventricular outflow tract during her elective transthoracic echocardiogram. The patient exhibited no symptoms, and intraoperative findings showed the mass originating from the anterior leaflet of the mitral valve. Transthoracic and transesophageal echo failed to diagnose and localize the origin of the tumor. The tumor origin is unclear, but CAT of the mitral valve may be associated with mitral annular calcification. Surgical excision of the mass definitively diagnoses the tumor and reduces the risk of embolization.

摘要

心脏钙化性无定形肿瘤（CAT）是一种罕见的非肿瘤性肿瘤。一名71岁女性在择期经胸超声心动图检查时发现左心室流出道内有一个可移动的肿块。患者无症状，术中发现肿块起源于二尖瓣前叶。经胸和经食管超声未能诊断出肿瘤的起源并对其定位。肿瘤起源尚不清楚，但二尖瓣的CAT可能与二尖瓣环钙化有关。手术切除肿块可明确诊断肿瘤并降低栓塞风险。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/812d/9116587/2e8484d2ec9b/rjac179f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/812d/9116587/7ef05a13e49c/rjac179f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/812d/9116587/e5804b9cfd46/rjac179f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/812d/9116587/2e8484d2ec9b/rjac179f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/812d/9116587/7ef05a13e49c/rjac179f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/812d/9116587/e5804b9cfd46/rjac179f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/812d/9116587/2e8484d2ec9b/rjac179f3.jpg

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本文引用的文献

1
Morphological and functional characteristics of mitral annular calcification and their relationship to stroke.二尖瓣环钙化的形态和功能特征及其与中风的关系。
PLoS One. 2020 Jan 13;15(1):e0227753. doi: 10.1371/journal.pone.0227753. eCollection 2020.
2
Cardiac calcified amorphous tumor: A systematic review of the literature.心脏钙化性无定形肿瘤：文献系统综述
Int J Cardiol Heart Vasc. 2015 Jan 29;7:1-5. doi: 10.1016/j.ijcha.2015.01.012. eCollection 2015 Jun 1.
3
Mitral annulus calcification-related calcified amorphous tumour trapped and extended by closing aortic valve.
二尖瓣环钙化相关的钙化性无定形肿瘤被关闭的主动脉瓣包绕并延伸。
Eur Heart J Cardiovasc Imaging. 2016 May;17(5):585. doi: 10.1093/ehjci/jev349. Epub 2016 Jan 18.
4
Calcified amorphous tumor of the heart (cardiac CAT).心脏钙化性无定形肿瘤（心脏CAT）。
Hum Pathol. 1997 May;28(5):601-6. doi: 10.1016/s0046-8177(97)90083-6.