대한흉부영상의학회 Korean Society of Thoracic Radiology GuerBet

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대한흉부영상의학회 Weekly Case 검색
대한흉부영상의학회 Weekly Case 검색
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Weekly Chest CasesArchive of Old Cases

Case No : 27 Date 1998-05-04

  • Courtesy of Jae-Woo Song, M.D., Jung-Gi Im, M.D. / Boramae Hospital, Seoul National University Hospital
  • Age/Sex 25 / F
  • Chief ComplaintChest PA abnormality
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Diagnosis With Brief Discussion

Diagnosis
Bronchogenic cyst
Radiologic Findings
Brief Review
Bronchogenic cysts are congenital lesions believed to arise from abnormal budding of the bronchopulmonary foregut. The majority of mediastinal bronchogenic cysts are situated in the vicinity of the carina.
Mediastinal bronchogenic cysts usually present as clearly defined masses of homogenous density just inferior to the carina and often protruding slightly to the right, overlapping the right hilar shadow. The majority are oval or round. They may displace the esophagus and, although on a somewhat higher plane, may be misinterpreted as left atrial enlargement. Mediastinal cysts are far more frequent (about 85%) than intrapulmonary bronchogenic cyst, and usually asymptomatic. CT of mediastinal bronchogenic cysts usually reveals a mass with the same sttenuation as that of water around the trachea, carina, or in the right paratracheal region, in the middle mediastinum. As many as one-half of all bronchogenic cysts may appear solid or even hyper-attenuation on CT scan, due to mucoid material or large amount of calcium oxalate mixed with mucoid material.
References
Keywords
Mediastinum, Benign tumor, cyst,

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  • - 愿‘二쇳•˜
  • - 紐⑺ы•œ援 hank@nungkul.co.kr
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