22nd July 2023

A patient with a suspected serotonin-secreting neuroendocrine tumour is being investigated with a 24-hour urinary 5-HIAA test.

A patient with a suspected serotonin-secreting neuroendocrine tumour is being investigated with a 24-hour urinary 5-HIAA test.

Which one of the following foods should the patient avoid for 3 days before and during urine collection to reduce the risk of a false-positive result?

Select the SINGLE most appropriate option from the list below. Select ONE option only.