Adrenal cyst.

Adrenal cysts are rarely seen lesions. Most are asymptomatic and less than 10 cm. Adrenal cysts, most of which are diagnosed incidentally, can be diagnosed more by wide usage of diagnostic imaging methods. Symptoms appear when they grow to a large size causing pain or gastrointestinal disturbance or become palpable. In this article, a case of a large left adrenal cyst, 12 cm diameter was causing abdominal pain in a 20-year-old female patient subsequently removed totally by surgical excision with adrenalectomy is presented and treatment modalities was discussed.