Endocrine Abstracts

Introduction: Giant prolactinomas are rare tumours, representing 2–3% of all prolactin (PRL)-secreting tumours. Their definition is restricted to pituitary adenomas with a diameter ≥4 or ≥2 cm of suprasellar extension, very high PRL concentrations (≥1000 ng/ml) and no concomitant GH or ACTH secretion. They are more common in young to middle-aged men. Endocrine symptoms are often present for a long period of time, but most times the diagnosis is made when...

Introduction: Functional islet β-cell tumours represent 1–2% of all pancreatic neoplasms. Diagnosing this type of tumour is often challenging because they present with unspecific clinical features overlapping more common syndromes. Diagnosis involves expensive testing, so, establishing whipple’s triad and excluding causes of exogenous hyperinsulinaemia is crucial before initiating investigation.Objective: To report a rare case of a proinsu...