Imaging Diagnosis of Round Atelectasis
- VernacularTitle:圆形肺不张的影像学诊断
- Author:
Xili ZHAO
;
Jian FENG
;
Qing ZHOU
;
Zhixue WANG
- Publication Type:Journal Article
- Keywords:
atelectasis;
radiography;
tomography,X-ray compu ted
- From:
Journal of Practical Radiology
2000;0(02):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the imaging manifestati ons and diagnostic evaluation of rounded atelectasis.Methods Imaging manifestation of round atelectasis in 4 c ases confirmed by pathology with complete clinical data,plain chest radiographs and CT were analysed.Results The lesions in 4 cases appeared as circular or el liptic masses with clear boundary,2.6～6.5 cm in diameter,located at subpleura o f lower lobule of lung,accompanied with pleural thickening.There was a acute angl e between the tumor and thickened pleura.The lucency of the lung adjacent to tum or incneased.The cordike structures consisted of blood vessels and bronchil ente red into tumors,which made the lateral boundary of tumor to hilum of lung obscur ed.“comet tail sign”and “air-brochogram sign”were seen in 3 cases.Conclusion The round atelectasis is of typical findings o n plain chest films and CT scans which play a very important role in diagnosis a nd differential diagnosis.
