Acquired adrenal hyperplasia - due to thymic carcinoid tumor

Case contributed by Mohammad Taghi Niknejad
Diagnosis possible


A known case of thymic carcinoid tumor (histology proved). Post-operative CT scan performed for follow up after 3 months.

Patient Data

Age: 55 years
Gender: Male

Pre-operative images were not available

There is a bilateral non-nodular enlargement of the adrenal glands.

Case Discussion

Bilateral non-nodular enlargement of the adrenal glands in a patient with thymic carcinoid tumor compatible with acquired adrenal hyperplasia.

Thymic carcinoid tumor is the most common type of neuroendocrine tumor of the thymus. Up to 50% of affected patients have hormonal abnormalities, and up to 35% have Cushing syndrome owing to tumoral production of adrenocorticotropic hormone (ACTH). ACTH secretion causes adrenal hyperplasia in these patients. 

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