A RARE CONGENITAL PAEDIATRIC NECK SWELLING

Cervical thymic cyst is an uncommon pathology encountered in childrens . Our case is a male child with a left side cervical swelling . On USG it appeared as echogenic cystic lesion in the anterior triangle of the neck. On CECT non enhancing hypodense cystic lesion was seen extending from the angle of mandible to anterior mediastinum. It was totally resected and histopathological analysis revealed a thymic cyst. The diagnosis of thymic cyst is not possible prior to histological examination. Therefore, in children cervical thymic cyst should be considered as a differential diagnosis in each cervical soft tissue swelling.