4th March 2024

An 18-year-old Turkish male presents to the acute medical unit with fevers

An 18-year-old Turkish male presents to the acute medical unit with fevers and generalised abdominal pains lasting approximately 24-48 hours before settling spontaneously. He had previous episodes of painful joint swelling affecting his knees and ankles. Examination revealed generalised guarding throughout the abdomen, but a CTAP only showed dilated mesenteric vessels. Blood tests revealed a mildly raised WCC and CRP. Autoimmune studies were negative, but ESR was raised at 30mm/hr. His father experienced similar symptoms without a formal diagnosis for these presentations.

Which of the following conditions explains the symptoms experienced by the patient and his father?

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