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Endobronchial squamous cell carcinoma presenting as localized, long, continuous bronchial thickening on CT

Title
Endobronchial squamous cell carcinoma presenting as localized, long, continuous bronchial thickening on CT
Author
백승삼
Keywords
Squamous cell carcinoma; CT; Cancer staging; Lung neoplasms; Non-small cell lung cancer; Bronchial thickening
Issue Date
2017-03
Publisher
ELSEVIER IRELAND LTD
Citation
EUROPEAN JOURNAL OF RADIOLOGY, v. 91, page. 99-105
Abstract
Objective: To report pulmonary squamous cell carcinomas presenting as localized, long, continuous, bronchial thickening on computed tomography (CT).Materials and methods: This study comprised five men (mean age, 66 years; range, 60-79 years) with pulmonary squamous cell carcinoma, including two (0.6%) selected from 310 consecutive patients with the diagnosis. Inclusion criteria were as follows: histological diagnosis obtained from thickened bronchi; continuous bronchial thickening> 5 cm in longitudinal extension on CT. CT scans were retrospectively reviewed, focusing on bronchial abnormalities. They were correlated with histopathological findings in four patients who underwent lobectomy.Results: On initial CT, bronchial thickening was continuous without skip area (n = 5), measured 56-114 mm in maximum longitudinal length, involved lobar (n = 3) or segmental and distal bronchi (n = 5) of the right upper (n = 4) or lower (n = 1) lobe, and was focally bulbous (n = 2). Follow-up CT before treatment, available in two, showed progression of bronchial thickening in its thickness and longitudinal length (n = 2) and a new bulbous portion (n = 1) and peribronchial nodules (n = 1) along the thickened bronchi. Cancer recurred after lobectomy in two, one of which manifested as continuous bronchial thickening extending from the bronchial stump on CT. On CT-histopathological correlation, bronchial thickening was mostly due to tumor spreading along the bronchus. A focal or short segmental tumor outgrowth from the thickened bronchi corresponded to a nodule or bulbous portion along thickened bronchi on CT, respectively.Conclusion: Pulmonary squamous cell carcinoma may present as localized, long, continuous, bronchial thickening on CT, simulating benign infectious or inflammatory diseases.
URI
https://www.ejradiology.com/article/S0720-048X(17)30147-X/fulltexthttp://repository.hanyang.ac.kr/handle/20.500.11754/113087
ISSN
0720-048X; 1872-7727
DOI
10.1016/j.ejrad.2017.04.003
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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