A Clinical Experience of a Tumor Composed of Unknown-Natured Cystic Structures and Fibrosis on Face

ABSTRACT

Unknown-natured cystic structures on face refers to a very rare tumor. We report a case of unknown-natured cystic structures on face in a 31 years old woman. She had complained palpable mass of left cheek for 5 years. Radiographically, a dense inhenced mass of left maxillary area showed mild protruding external surface without cortical destruction. The maximum diameter of mass was 3.5cm. Microscopically, the mass was composed of unknown-natured cystic structures devoid of lining cell and fibrosis of cystic wall. The mass was successfully removed via subciliary incision. No tumor recurrence has been reported during the follow-up period. We described surgical approach, MR imaging finding, histopathological and immunohistochemical findings of this tumor.