Asymptomatic Bilateral Giant Adrenal Myelolipomas: Case Report and Review of Literature |
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| Affiliation: | 1. From the Departments of Internal Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.;2. From the Departments of Pathology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.;3. From the Departments of Radiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.;1. Department of Clinical Laboratory, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, China;2. Beijing Hospital National Center for Clinical Laboratories, Ministry of Health, Beijing 100730, China;3. Department of Clinical Laboratory, China–Japan Friendship Hospital, Beijing 100029, China;1. Department of Pathology, Catholic University, Rome, Italy;2. Department of Digestive Endoscopy, Catholic University, Rome, Italy;3. Department of Surgery, Catholic University, Rome, Italy;4. Department of Oncology, Catholic University, Rome, Italy;1. Department of Surgical Oncology, Saveetha Medical College Hospital, India;2. Department of General Surgery, Saveetha Medical College Hospital, India;3. Sri Ramachandra Medical College and Research Institute: Sri Ramachandra Institute of Higher Education and Research, India |
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| Abstract: | ObjectiveTo describe an unusual case of bilateral giant adrenal masses caused by a primary adrenal myelolipoma.MethodsWe present the clinical, laboratory, and pathologic findings in a 32-year-old man with bilateral adrenal masses. The previous reports of bilateral myelolipomas also were reviewed.ResultsDuring a routine examination, a 32-year-old Thai man was found to have an asymptomatic abdominal mass. A computed tomographic scan of the abdomen disclosed bilateral adrenal masses; the one on the left was approximately 27 by 24 by 12 cm, and the one on the right side was 9 by 5 by 5 cm. The computed tomographic scan characteristics showed that both masses consisted mainly of low-density tissues (-30 to -90 Hounsfield units), suggestive of fatty component. An endocrinologic evaluation revealed no evidence of adrenal cortical or medullary functional abnormalities. Bilateral adrenalectomy was performed because of the large size of the lesions and the inability to rule out malignant involvement.ConclusionMyelolipoma is a relatively rare benign tumor of the adrenal glands composed of adipose cells and mature hematopoietic elements. Most such lesions are small, asymptomatic, and unilateral; giant or bilateral myelolipomas are quite rare. To our knowledge, our current case may represent the largest bilateral lesions in the literature. (Endocr Pract. 2007;13:667-671) |
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