がく下部に発生したさり原のう胞の１例

Abstract

We reported a case of branchiogenic cyst occurred on the right side of submandibular region.Patient was a 47 year-old female in whom the cyst developed on the upper side of the submandibular region. She visited our office because of painless swelling of the right side of the submandibular region on April 4, 1979.A diagnosis of tumor of submandibular salivary gland was made and the tumor was excised.From histopathological findings that the inner wall was covered with cuboidal epithelium and lymphoid tissue was observed in the lower layer of the epithelium, a definitive diagnosis of branchiogenic cyst was made.By scanning electron microscope, many microvilli were observed on the epithelial cell surface.The clinical findings, histopathological findings and scanning electron microscopic findings of this case were reported and the literature was reviewed.