Annals of The Japanese Respiratory Society:A resected case of invasive mucinous adenocarcinoma with a giant cavity

Vol.14 No.1 Table of Contents

Abstract

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Article in Japanese

Case Report

A resected case of invasive mucinous adenocarcinoma with a giant cavity

Soichi Maruyama^a Keisuke Ohno^b Nobuya Ohishi^a Taro Takahashi^a Daisuke Kobayashi^c Yukihiko Sugiyama^a

^aDepartment of Respiratory Medicine, Nerima Hikarigaoka Hospital
^bDepartment of Thoracic Surgery, Nerima Hikarigaoka Hospital
^cDepartment of Pathology, Nerima Hikarigaoka Hospital

ABSTRACT

The patient was a woman in her 70s who presented to our hospital with a chief complaint of cough. Contrast-enhanced computed tomography showed a clear vascular shadow and a giant cavity of 5 cm in size within low-attenuating consolidation. The lesion removed by open thoracotomy was 14×15×9 cm in size, was located near the bronchus, and was covered by a fibrous wall. Mucus production was confirmed, and a diagnosis of invasive mucinous adenocarcinoma (IMA) pT4N0M0, pStage IIIA was made. Although IMA often presents with pneumonia-like findings, it is important to acknowledge that IMA can be associated with a giant cavity.

KEYWORDS

Invasive mucinous adenocarcinoma Cavity CT angiogram sign

Received 11 Jun 2024 ／ Accepted 16 Oct 2024

AJRS, 14(1): 15-19, 2025

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