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Comparison of CT Findings in Symptomatic and Incidentally Discovered Pheochromocytomas

Gaspar A. Motta-Ramirez1,2, Erick M. Remer1, Brian R. Herts1, Inderbir S. Gill3 and Amir H. Hamrahian4

1 Department of Radiology, Cleveland Clinic Foundation, 9500 Euclid Ave., A21, Cleveland, OH 44195.
3 Glickman Urological Institute, Cleveland Clinic Foundation, Cleveland, OH.
4 Department of Endocrinology, Diabetes and Metabolism, Cleveland Clinic Foundation, Cleveland, OH.



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  		Fig. 1A —Incidentally discovered pheochromocytoma in 55-year-old man who underwent CT for lower abdominal cramping and diarrhea. Unenhanced CT scan shows ovoid right adrenal mass that measured 37 H.

 


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  		Fig. 1B —Incidentally discovered pheochromocytoma in 55-year-old man who underwent CT for lower abdominal cramping and diarrhea. After iodinated contrast enhancement, CT scan shows multiple areas lack enhancement (arrowheads), consistent with necrosis, in this mass that enhances more than liver.

 


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  		Fig. 2A —Symptomatic pheochromocytoma in 44-year-old woman with history of carotid body tumor and paraganglioma. Unenhanced CT scan shows 4-cm homogeneous mass.

 


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  		Fig. 2B —Symptomatic pheochromocytoma in 44-year-old woman with history of carotid body tumor and paraganglioma. Enhanced CT scan shows homogeneous enhancement.

 


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  		Fig. 3A —19-year-old woman with symptomatic pheochromocytoma that has both calcification and necrosis. Unenhanced CT scan shows central punctate calcification (arrow).

 


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  		Fig. 3B —19-year-old woman with symptomatic pheochromocytoma that has both calcification and necrosis. After iodinated contrast material administration, CT scan shows central calcification is surrounded by poorly defined nonenhancing region of necrosis.

 

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