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Article Abstract
Myelolipoma is a rare mesenchymal tumor consisting of adipose tissue and hematopoietic cells. Found usually in the adrenal region, however, few cases have been reported in extra-adrenal regions, most frequently in the presacral region. It is important to recognize such tumor, as it can attain massive size and causes pressure symptoms, and needs to be differentiated from malignant tumors, including liposarcomas. Although CT and MRI can suggest a diagnosis of myelolipoma, these are not conclusive. The hematopoietic cells are enhanced by a Tc-albumin nanocolloid scintigraphy and help to distinguish myolipoma from other entities.
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