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ID 37743
file
creator
Ishioka, Shinichi
Ishikawa, Nobuhisa
Nishisaka, Takashi
Oguri, Tetsuya
Maeda, Akihiro
Isobe, Takeshi
Yamakido, Michio
subject
Sputum cytology
Thin section CT
De novo carcinogenesis
Squamous cell carcinoma
NDC
Medical sciences
abstract
A 64-year-old man underwent a medical checkup in May 1996 and was evaluated as class V using sputum cytology. Chest X-ray examination, bronchoscopy and chest computed tomography (CT) demonstrated no abnormalities. Thereafter, the patient was followed up with chest X-ray, bronchoscopy and chest CT at 3-month intervals. In December 1996, chest CT showed an increased density at the mediastinal side of the left upper bronchus, B1+2. There were no findings on bronchoscopy, but subsequent exfoliative cytology demonstrated keratinized malignant cells in samples obtained from left upper bronchus, B1+2. Although, it was difficult to identify localization of the tumor, left upper lobectomy was performed and the diagnosis of squamous cell carcinoma in situ was finally made. Here, we report on the course of this patient and discuss the diagnostic usefulness of sputum cytology as well as the pathogenesis of lung squamous cell carcinoma.
journal title
Hiroshima Journal of Medical Sciences
volume
Volume 48
issue
Issue 4
start page
129
end page
132
date of issued
1999-12
publisher
Hiroshima University Medical Press
issn
0018-2052
ncid
language
eng
nii type
Departmental Bulletin Paper
HU type
Departmental Bulletin Papers
DCMI type
text
format
application/pdf
text version
publisher
department
Graduate School of Biomedical Science
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