Endocrine Abstracts

Introduction: Pituitary metastases are rare, accounting for only 1% of intracranial metastases and predominantly originating from breast and lung tumors. Pituitary involvement is observed in only 6–8% of breast cancer cases, with an overall unfavorable prognosis.Case series: A 53-year-old woman, with a six-year history of breast cancer metastasized to the lungs, presented with a three-month history of headaches, visual disturbances, asthenia, weight...

Introduction: Proinsulinoma is an infrequent subtype of pancreatic neuroendocrine tumor (pNET), characterized by the excessive secretion of proinsulin, leading to pronounced hypoglycemia. Clinical manifestations comprise neuroglycopenic and autonomic symptoms, including cognitive impairment, seizures, visual disturbances, diaphoresis, tremors, syncope or coma. Diagnostic modalities involve blood assays and imaging to detect heightened proinsulin production and determine the tu...