BACKGROUND Pituitary carcinomas are rare and aggressive neoplasms that despite current treatment regimens continue to have a poor prognosis. Adrenocorticotrophic hormone pituitary tumors have been shown to alter their clinical… Click to show full abstract
BACKGROUND Pituitary carcinomas are rare and aggressive neoplasms that despite current treatment regimens continue to have a poor prognosis. Adrenocorticotrophic hormone pituitary tumors have been shown to alter their clinical manifestations with conversion to Cushing disease and silent types. CASE DESCRIPTION The purpose of this paper is to present the first documented case of an adrenocorticotrophic hormone-secreting pituitary adenoma with Cushing disease that differentiated into a silent corticotroph pituitary carcinoma with metastases to distant sites in the central nervous system. CONCLUSIONS This patient was later treated with radiotherapy, temozolomide, and bevacizumab, with 8 years of progression-free survival.
               
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