Cavernous lymphangioma is a lymphatic vessel proliferative disorder resulting from abnormal lymphatic system development. As
a congenital lesion, cystic hygroma is rather prevalent in children than in older age group. In the literature, barely a few occurrences
of Cystic hygroma in adults have been described. Cystic hygroma is more prevalent in the cranio-cervical region, but it can occur
however appear anywhere along the lymphatic channel's path. This case report is an example of an unusual presentation of Cystic
hygroma, which manifested as a right-sided cystic neck swelling in an adult female. Clinical assessment, pathological identification,
surgical management, and post-operative follow-up are all covered in due course.
Keywords: Cystic hygroma, cervical mass, Lymphangioma