대한흉부영상의학회 Korean Society of Thoracic Radiology GuerBet

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대한흉부영상의학회 Weekly Case 검색
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Weekly Chest CasesArchive of Old Cases

Case No : 80 Date 1999-05-08

  • Courtesy of Dong Wook Sung, MD / Seong Joo Hong, MD, Kyunghee University Hospital, Seoul, Korea
  • Age/Sex 44 / M
  • Chief Complaintfatigue for one month
  • Figure 1
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  • Figure 5

Chest PA

Diagnosis With Brief Discussion

Diagnosis
Localized fibrous tumor of pleura with stalk, base on surgical removal
Radiologic Findings
Chest radiograph shows an elongated mass on the right paratracheal area. CT scan shows a homogenous enhanced mass in the upper, posterior, and medial area of the right thorax. There is no connection between the mass and the neural foramen. The shape & position of the mass was altered from examination to examination. On T1-weighted MR image, the mass shows intermediate signal intensity. On T2WI, the mass show central low and peripheral high signal intensity.
Brief Review
Localized fibrous tumor of pleura is rare tumor of mesodermal origin representing less than 5% of all neoplasia involving the pleura. The tumors are discovered incidentally on routine chest radiography, and there is no sex predilection and no evidence of a relationship in asbestos exposure.
On chest radiography, localized fibrous tumor of pleura is seen as round or oval mass, often lobulated, located at the pleural surface. And the mass often arise from the visceral pleura and are attached to the pleural surface by a pedicle. In such instances, they project freely into the pleural surface, and changes in position and shape can be observed on inspiration and expiration radiographs and/or fluoroscopy. CT findings include well-delineated, often lobulated non-calcified enhancing soft tissue mass in close relation to the pleural surface or fissure, and absence of chest wall invasion. The margin at the junction of the mass with the pleura usually tapers smoothly. Local recurrence has been reported in up to 16% of cases, but malignant transformation is unusual.
References
1.Dedrick CG, Mcloud TC, Shepard JO, et al. Computed tomography of localized pleural mesothelioma. AJR 1985; 144: 275-280
2.Briselli M, Mark EJ, Dickersin GR. Solitary fibrous tumors of the pleura: eight new case and review of 360 cases in the literature. Cancer 1981;47:2687-2689
3.Lee KS, Im JG, Choe KO, et al. CT findings in benign fibrous mesothelioma of the pleura: pathologic correlation in nine patients. AJR 1992;158:983-986.
Keywords
Pleura, Benign tumor,

No. of Applicants : 24

▶ Correct Answer : 8/24,  33.3%
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