Bilateral thoracic extraadrenal myelolipoma

Franiel, T.; Fleischer, B.; Raab, B.W.; Füzesi, L.
December 2004
European Journal of Cardio-Thoracic Surgery;Dec2004, Vol. 26 Issue 6, p1220
Academic Journal
Abstract: Myelolipoma commonly occurs in the adrenal gland and is composed of both adipose tissue and normal hematopoietic elements. Extraadrenal myelolipoma may occur in the retroperitoneum, stomach, liver, lung, and in 3% of cases even in the mediastinum. We present a 65-year-old female patient with unspecific clinical symptoms. Routine chest roentgenograms revealed bilateral widening of the posterior mediastinum. Computed tomography showed bilateral, paravertebral lesions of 4.5 and 6.5cm in diameter, respectively. After surgical removal, bilateral thoracic myelolipoma was pathomorphologically diagnosed. The imaging differential diagnosis of bilateral solid lesions in the posterior mediastinum including lymph node metastases, lymphomas, neurogenic tumors and extramedullary hematopoietic tumors is discussed.


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