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- Alejandro Avilés-Salas, Alina Vélez-Valle, Omar Eduardo Fernández-Vargas, and Oscar Arrieta.
- Departamento de Patología, Instituto Nacional de Cancerología, México. E-mail: alejandroaviles2001@yahoo.com.
- Medicina (B Aires). 2023 Jan 1; 83 (3): 455458455-458.
AbstractMyelolipoma is a benign non-functional tumor. Most of them are asymptomatic and discovered incidentally, either through imaging studies or at autopsy. While it most commonly occurs in the adrenal gland, it has also been reported at extra-adrenal sites. We present the case of a 65-year-old woman with a primary mediastinal myelolipoma. Computer tomographic scan of the thorax showed an ovoid tumor with well-defined borders of 6.5 × 4.2 cm, located in the posterior mediastinum. A transthoracic biopsy of the lesion was made, and the microscopic observation revealed hematopoietic cells and mature adipose tissue. Although computed tomography and magnetic resonance imaging are effective in diagnosing mediastinal myelolipoma, histopathological examination is essential for the definitive diagnosis.
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