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一例罕见的具有灯泡样囊性形态的心脏黏液瘤：病例报告

A rare case of cardiac myxoma with light bulb-like cystic morphology: a case report.

作者信息

Futami Shutaro, Hieda Michinari, Fukata Mitsuhiro, Shiose Akira

机构信息

Department of Hematology, Oncology and Cardiovascular Medicine, Kyushu University Hospital, Clinical Research Building B6F, 3-1-1 Maidashi Higashi-ku, Fukuoka, Japan.

Department of Cardiovascular Surgery, Kyushu University Hospital, Fukuoka, Japan.

出版信息

Eur Heart J Case Rep. 2023 Jul 21;7(8):ytad331. doi: 10.1093/ehjcr/ytad331. eCollection 2023 Aug.

DOI:10.1093/ehjcr/ytad331
PMID:37547377
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10398420/
Abstract

BACKGROUND

Cystic myxomas are quite rare. Moreover, few reports have evaluated the causes that constituted them.

CASE SUMMARY

A 73-year-old Asian man presented for pre-operative examination of osteoarthritis, and transthoracic echocardiography (TTE) revealed an incidental intracardiac mass. Therefore, he was referred to our department for further evaluation. He had no specific symptoms or family history related to tumours and heart failure. The TTE showed a 32 × 24 mm spherical mass adherent to the left atrial septum. The upper part of the mass was cystic in formation and hypoechoic inside and resembled a light bulb. Transoesophageal echocardiography showed the feeding arteries flowing from the bottom into the cystic part. In addition, two jet strips drained from the cystic part in the direction of the mitral valve. Coronary angiography revealed the feeding arteries, which consisted mainly of the right coronary artery conus branch and the left circumflex branch, and the blood flowed into the saccular area from the feeding arteries and excreted towards the mitral valve. Surgical resection was performed due to the mobility, and the histopathology confirmed a cystic myxoma.

DISCUSSION

We described the unique anatomical formation of a cystic myxoma, which consisted of an exquisite balance between the tumour-feeding arteries and the draining outlet vessels.

摘要

背景

囊性黏液瘤非常罕见。此外，很少有报告评估其形成原因。

病例摘要

一名73岁的亚洲男性因骨关节炎术前检查就诊，经胸超声心动图（TTE）发现心脏内有一意外肿块。因此，他被转诊至我科进一步评估。他没有与肿瘤和心力衰竭相关的特定症状或家族史。TTE显示一个32×24 mm的球形肿块附着于左心房隔膜。肿块上部呈囊性结构，内部为低回声，形似灯泡。经食管超声心动图显示供血动脉从底部流入囊性部分。此外，两条喷射束从囊性部分朝着二尖瓣方向引流。冠状动脉造影显示供血动脉，主要由右冠状动脉圆锥支和左旋支组成，血液从供血动脉流入囊状区域并朝着二尖瓣排出。由于该肿块具有可移动性，故进行了手术切除，组织病理学证实为囊性黏液瘤。

讨论

我们描述了囊性黏液瘤独特的解剖结构，它由肿瘤供血动脉和引流血管之间的精妙平衡构成。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/b7a4cb8f9260/ytad331f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/25b9bae0611f/ytad331il2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/5cb8634d36cc/ytad331f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/a6d924f74cd9/ytad331f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/20d179540ca2/ytad331f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/777b84fd2fd9/ytad331f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/b7a4cb8f9260/ytad331f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/25b9bae0611f/ytad331il2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/5cb8634d36cc/ytad331f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/a6d924f74cd9/ytad331f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/20d179540ca2/ytad331f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/777b84fd2fd9/ytad331f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a27b/10398420/b7a4cb8f9260/ytad331f5.jpg

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J Ultrasound Med. 2017 Nov;36(11):2361-2366. doi: 10.1002/jum.14264. Epub 2017 May 27.
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Left atrial myxoma presenting with unusual cystic form.表现为罕见囊性形态的左心房黏液瘤。
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