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Click 53 year old female with biopsy proven renal sarcoid. Contrasted CT axial images demonstrate an ill defined cortical left renal mass with enhancement features similar to that of the normal kidney, but around an encapsulated lesion. CT examination of the chest and abdomen with intravenous contrast (Omnipaque 300). (CT scanner: LightSpeed 16; Mag: 1.7x; 120 kV; 100-300 mA; 5.0 mm Tilt: 0.0; ET: 0.8 s; GP: 0.6 s; TS: 17.50 mm/s; W: 400. L: 40; 512 x 512 Matrix; DFOV: 34.5 x 34.5 cm)

Click 53 year old female with a calcified mediastinal and hilar lymphadenopathy, known to be secondary to sarcoidosis. Contrasted axial CT images (soft tissue windows) demonstrate the calcified subcarinal and bilateral hilar lymph nodes. CT examination of the chest and abdomen with intravenous contrast (Omnipaque 300). (CT scanner: LightSpeed 16; Mag: 1.7x; 120 kV; 100-300 mA; 5.0 mm Tilt: 0.0; ET: 0.8 s; GP: 0.6 s; TS: 17.50 mm/s; W: 400. L: 40; 512 x 512 Matrix; DFOV: 34.5 x 34.5 cm)

Click Axial MRI T1 arterial phase stack best demonstrates this patientís mass. The patient is a 53 year old female with biopsy proven renal sarcoid. Arterial phase postcontrast T1 image demonstrates an ill defined exophitic left renal mass in the superior pole, with minimal early enhancement. (GE Signa HDx 1.5T T1 weighted LAVA fat saturated axial sequence, TR 4, TE 2, Arterial postcontrast 12cc Omniscan injection)
Localizer images in the sagittal and coronal planes. (GE Signa HDx 1.5T T2* weighted FGRE sequence, TR 5, TE 1, Noncontrast)