open access

Ahead of Print
Case report
Published online: 2021-05-07
Submitted: 2020-08-28
Accepted: 2020-11-01
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A tracheobronchial adenoid cystic carcinoma incidentally detected by chest radiography and pulmonary function test

Shotaro Ono, Katsunori Kagohashi, Haruka Namikawa, Hideji Nakajima, Hiroaki Satoh, Kinya Furukawa
DOI: 10.5603/ARM.a2021.0003

open access

Ahead of Print
CASE REPORTS
Published online: 2021-05-07
Submitted: 2020-08-28
Accepted: 2020-11-01

Abstract

Tracheobronchial adenoid cystic carcinomas are rare tumors that progress slowly. Diagnosis by chest plain radiography is difficult, and suspecting the existence of a disease that causes stenosis in the airways is an important key for diagnosis. A 51-year-old woman referred to our hospital because of dyspnea on exertion. Chest plain radiograph showed a slight widening of the mediastinum. The flow–volume curve of respiratory function test revealed flat portions of the curve suggesting the central airway obstruction pattern. Chest CT confirmed the existence of tracheobronchial tumor, which was pathologically diagnosed as adenoid cystic carcinoma. Chest physicians and thoracic surgeons should be careful not to miss these trivial findings in the first inspections.

Abstract

Tracheobronchial adenoid cystic carcinomas are rare tumors that progress slowly. Diagnosis by chest plain radiography is difficult, and suspecting the existence of a disease that causes stenosis in the airways is an important key for diagnosis. A 51-year-old woman referred to our hospital because of dyspnea on exertion. Chest plain radiograph showed a slight widening of the mediastinum. The flow–volume curve of respiratory function test revealed flat portions of the curve suggesting the central airway obstruction pattern. Chest CT confirmed the existence of tracheobronchial tumor, which was pathologically diagnosed as adenoid cystic carcinoma. Chest physicians and thoracic surgeons should be careful not to miss these trivial findings in the first inspections.

Get Citation

Keywords

adenoid cystic carcinoma; tracheal tumor; pulmonary function test; flow-volume curve

About this article
Title

A tracheobronchial adenoid cystic carcinoma incidentally detected by chest radiography and pulmonary function test

Journal

Advances in Respiratory Medicine

Issue

Ahead of Print

Article type

Case report

Published online

2021-05-07

DOI

10.5603/ARM.a2021.0003

Keywords

adenoid cystic carcinoma
tracheal tumor
pulmonary function test
flow-volume curve

Authors

Shotaro Ono
Katsunori Kagohashi
Haruka Namikawa
Hideji Nakajima
Hiroaki Satoh
Kinya Furukawa

References (12)
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