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

Case No : 36 Date 1998-07-06

  • Courtesy of KUN-IL KIM, M.D / Pusan National University Hospital
  • Age/Sex 21 / M
  • Chief ComplaintLeft upper quadrant pain and tenderness
  • Figure 1
  • Figure 2

Chest PA

Diagnosis With Brief Discussion

Diagnosis
Mature teratoma in posterior mediastinum
Radiologic Findings
Brief Review
In this case, CT shows areas of inhomogenous attenuation including fat, soft tissue and calcium in a large well-marginated mass in
posterior portion of thorax. These are strongly suggestive findings of mature teratoma.
Mediastinal mature teratomas manifest as unilateral, sharply marginated, lobulated, heterogenous masses. CT reveals fluid-containing
(cystic) areas in 88% of cases. 85% included multilocular cystic areas separated by thin-tissue septa. CT frequently reveals fat (76%) and
calcium(53%) within the lesion (1). Most mediastinal mature teratomas arise in the anterior mediastinum. 3% were in the posterior mediastinum in one series, and multicompartmental extension was seen in 13% of tumors (1).
References
Moeller KH, Rosado-de-Christenson ML, Templeton PA. Mediastinal mature teratoma: imaging features. AJR 1997;169:985-990
Keywords
Mediastinum, Benign tumor,

No. of Applicants : 0

▶ Correct Answer : 4/0,  0.0%
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Current Editor : Sung Shine Shim, MD, PhD. Email : sinisim@ewha.ac.kr

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