Objective: A patient is reported with hypertension due to combined medullary adrenal hyperplasia and myelolipoma. Methods: A 52-year-old woman with long-standing hypertension was evaluated for an incidentally discoveredlargetumor of the left adrenal. Left adrenalectomy was performed for a presumptive clinical diagnosis of pheochromocytoma. Results: Histopathologic examination revealed a mixed tumor consisting of a large myelolipoma with infiltrating foci of adrenal medulla. Conclusions: A patient is described with hypertension, myelolipoma and adrenal medullary hyperplasia; following adrenalectomy, however, blood pressure and biochemical abnormalities normalized.

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We report on a 35-yr-old woman presenting with a single thyroid nodule. Fine-needle aspiration (FNA) of the nodule was reported to contain both follicular and parafollicular cells. The biphasic nature of the tumor was highlighted on immunohistochemical investigation of the cellblock. Positive staining for thyroglobulin was limited to the follicular structures and the dense areas stained positive for calcitonin. The serum calcitonin level was highly elevated. Surgery was recommended because of suspected malignancy. The patient underwent total thyroidectomy. The diagnosis of mixed medullary and follicular carcinoma of the thyroid was established by histological investigation using immunohistochemical staining for thyroglobulin, chromogranin, and calcitonin. The patient was well 1 yr after the operation. Repeated measurements of serum calcitonin levels were normal. Total body scan revealed no radioactive iodine uptake in the thyroid bed, bones, or lungs.

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