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논문 기본 정보

자료유형
학술저널
저자정보
이경수 (서울대학교 의과대학 방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제21권 제3호
발행연도
1985.1
수록면
424 - 437 (14page)

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Computerized Tomography can make accurate diagnosis in most of the mediastinal tumors and cysts by assessing their location, shape and internal architecture. Authors analysed and present CT findings of 89 surgically proven mediastinal tumpors and cysts that were studied and treated in Seoul National University Hospital during recent 5 years. The results are as follow: 1. The most common tumor was teratoma (25 cases). Neurogenic tumor (20 cases), thymic tumor or cyst (16 cases), lymphoma (7 cases), bronchogenic cyst (6 cases), intrathoracic goiter (6 cases), pericardial cyst (3 cases) and cystic hygroma (2 cases) were next in order of frequency. 2. The most constant findings of treatoma was thick walled cystic area (100%), while pathognomonic fat and calcified density were located I anterior mediastinum, 2 cases were in posterior mediastinum and a case is in middle mediastinum. 3. There were 20 cases of neurogenic tumor consiting of 6 neurilemmomas, 7 ganglioneuromas, 4 neurofi romas, 1 ganglioneuroblastoma, 1 neuroblastoma and 1 malignant schwannoma. Most of them were located in posterior mediastinum with exception of 2 neurilemmomas arising from left vagus nerve and left recurrent laryngeal nerve in middle mediastinum. Cystic change was seen in 2 cases of neurilemmoma and in a case of ganglioneuroma. Calcification was seen in 3 cases, of neuroblastoma, a neurilemmoma, and a ganglioneuroma. 4. There were 11 cases of thymoma showing homogeneous solid mass with speckeld calcification in 4 cases and irregular cystic change in 3 cases. 2 cases were invasive thymoma and myasthenia gravis was present in 4 cases. A case of thymolipoma and a case of thymic cyst were included. 5. Lymphoma(2 Hodgkin's and 4 non-Hodgkin's) appeared as lobulated, matted mass in anterior mediastinum especially in prevascular area expanding bilaterally. 6. Intrathoracic goiter appeared as slightly high density mass with intermingled calcification and cystic area in 5 cases of secondary oiter and homogeneous high density mass (100-110 H.U. in precountrast scan) in a case of primary goiter. 7. Among the 6 bronchogenic cysts, 3 were located in subcarinal area, 2 were above carina and one was in left hilar area. 3 cases showed high CT number more than 70 H.U. and others showed water density. 8. 3 cases of pericardial cyst were located in right cardiophrenic angle and all of them showed water density. 9. 2 cases of cystic hygroma were located in superior mediastinum, with extension to lower neck and all of them showed water density.

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