Abstract

Behcet's disease is a multisystem disease that is mainly classified as vasculitis and may involve many organs like skin, mucosa, eyes, joints, vessels, nervous system, gastrointestinal tract, testis, heart and lungs. This case depicts a rare presentation of Behcet's disease with multiple saccular aneurysms in a 33 year old man. A patient with a persistent pain in the back and flanks with radiation to the testis without a relationship with position and feeding, was admitted in Al-Zahra Hospital, Isfahan. Abdominal and pelvic ultrasonographic evaluation revealed an abdominal aneurysm with thick wall borders, 37 mm in total diameter and 15 mm in open lumen diameter. Spiral computed tomography (CT) of the abdomen and pelvis with contrast revealed aneurysm of the abdominal aorta (4 × 4.5 cm in diameter) beginning below the renal arteries and extending downwardly near the aortic bifurcation. Finally, magnetic resonance angiography (MRA) showed multiple saccular aneurysms of the abdominal aorta at the same places. After repairing the aneurysms by surgical operation, the patient was referred to a rheumatology clinic. After history and physical and laboratory examinations because of recurrent oral aphthae, erythemnodosum, positive result on pathergy test and abdominal aorta aneurysms, a diagnosis of Behcet's disease was made and the patient treated with medical drugs.

Key words: Behcet disease, abdominal aorta aneurysm, vasculitis.