Small-Cell Lung Carcinoma Associated With Cystic Airspaces: A Case Report

Small-cell lung carcinoma (SCLC) associated with cystic airspaces is rare. We describe the case of a 68-year-old man who was referred to our hospital because of a cystic lesion detected on chest radiography. Initial computed tomography revealed a small nodule abutting the cystic airspace due to para...

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Bibliographic Details
Main Authors: Hirokazu Touge, Haruki Masui, Mitsuhiro Yamamoto, Tomoyuki Ikeuchi, Tomohiro Sakamoto, Katsuyuki Tomita, Akira Yamasaki
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Case Reports in Medicine
Online Access:http://dx.doi.org/10.1155/carm/5314337
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Summary:Small-cell lung carcinoma (SCLC) associated with cystic airspaces is rare. We describe the case of a 68-year-old man who was referred to our hospital because of a cystic lesion detected on chest radiography. Initial computed tomography revealed a small nodule abutting the cystic airspace due to paraseptal emphysema in the right lower lobe. Histopathological examination of lymphadenopathy indicated SCLC. Postchemotherapy, recurrence appeared as a thick-walled cystic airspace with an exophytic nodule along the cyst wall, mimicking pneumonia. Additional chemotherapy, but not antibiotic therapy, led to a reduction in the wall thickness and nodules. This case emphasizes unresponsiveness to antibiotic therapy, especially in patients with risk factors, highlighting the diagnostic pitfall that may delay timely cancer treatment.
ISSN:1687-9635