Question

A 45-year-old man presents with episodic facial flushing, diarrhoea, and wheezing. He reports these symptoms are often triggered by alcohol or stress. A 24-hour urine collection shows elevated levels of 5-hydroxyindoleacetic acid (5-HIAA). What is the most likely underlying diagnosis?

Accepted Answer

Carcinoid Syndrome

Answer

Systemic Mastocytosis

Answer

Phaeochromocytoma

Answer

Irritable Bowel Syndrome (IBS)

Answer

Menopause

Practice question

A 45-year-old man presents with episodic facial flushing, diarrhoea, and wheezing. He reports these symptoms are often triggered by alcohol or stress. A 24-hour urine collection shows elevated levels of 5-hydroxyindoleacetic acid (5-HIAA). What is the most likely underlying diagnosis?