경부에 발생한 이차 새열낭종

SECOND BRANCHIAL CLEFT IN THE NECK

Congenital branchial anomalies are congenital developmental defect resulted from incomplete obliteration of branchial cleft, arches and pouches, and usually finded as cyst, fistula and sinus. The branchial cysts are common among these congenital anomalies. Branchial cleft cysts can be classified by developmental origin and anatomical position, but second branchial cleft cyst is the majority in these branchial anomalies. The branchial cleft cyst affects men and women with approximately equal frequency, but predicted on left side The clinical symptoms are painless mobile swelling and no tenderness during palpation. Surgical excision is usual treatment. But if infection or abscess is persisted, I&D with antibiotic therapy is to be performed initially. 23-year old female visited to our hospital due to palpable mass on the right neck area. By clinical examinations and CT finding, we diagnosed as branchial cleft cyst tentatively. We performed complete surgical excision and diagnosed this lesion as branchial cyst that originate from second branchial cleft. So we report a case of branchial cleft cyst with review of literatures.