A case of pleomorphic adenoma with dystrophic calcification and bone formation in the capsule of the submandibular gland
被膜に著明な石灰化と骨形成を認めた顎下腺多形腺腫の1例

Atsuko YONEKAWA, Soichi IWAI, Fumi OGAWA, Kenji EGAWA, Shigeki AMEKAWA, Tetsuo OHNISHI
2012 Japanese Journal of Oral & Maxillofacial Surgery  
We report a rare case of pleomorphic adenoma with dystrophic calcification and bone formation in the capsule of the submandibular gland. A 48-year-old man visited our hospital because of a mass in the submandibular gland. CT and FDG-PET images showed a well-defined round mass 20 mm in diameter in the right submandibular gland. It was covered with a calcified substance. The clinical diagnosis was a submandibular tumor, and the patient underwent extirpation of the right submandibular gland. The
more » ... mor was histopathologically diagnosed as a pleomorphic adenoma. Histopathologically, the tumor was composed of epithelial and mesenchymal structures including myxomatous and chondroid areas. Dystrophic calcification was observed in the entire periphery of the tumor, and bone formation was seen in contact with the calcified structure.
doi:10.5794/jjoms.58.217 fatcat:z3spfcnqk5ardouvrufkdkfajq