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Paracardiac pleural Castleman disease: radiographic and MR findings

¹ Department of Radiology, Chang Gung Memorial Hospitals at Linkou and Keelung, Chang Gung University, Taoyuen Hsien and Keelung Hsien and Departments of ² Radiology, ³ Pathology and ⁴ Cardiovascular and Thoracic Surgery, Chang Gung Memorial Hospital at Kaohsiung, Chang Gung University, 123 Ta-Pei Road, Niao-Sung Hsiang Kaohsiung Hsien 833, Taiwan

View larger version (114K): [in a new window]   Figure 1. Posteroanterior chest radiograph shows an oval, well-defined mass (open arrow) in the right cardiophrenic region.

View larger version (74K): [in a new window]   Figure 2. (a) Axial T1 weighted image shows that the mass (open arrow) is well defined and slightly hyperintense relative to the chest wall muscles. (b) Axial T2 weighted image shows that the mass (open arrow) becomes heterogeneously hyperintense. (c) Axial enhanced T1 weighted image shows moderate enhancement of the mass (open arrow). Note small linear areas of hypointensity in all pulse-sequence images.