Vol.100 No.11 contentsPRACTICA OTO-RHINO-LARYNGOLOGICA
Vol. 100 No. 11 November 2007
A Case of Malignant Fibrous Histiocytoma of
the Parotid Gland
Ritsuko Yoneda, Takayuki Mochizuki, Yukiko Mochizuki and Hajime Hirose
(Yamato Tokushukai Hospital)
Mamoru Tsukuda
(Yokohama City University Graduate School of Medicine)
Malignant fibrous histiocytoma (MFH) is reported to be the most common soft tissue tumor in late adult life. However, it is extremely rare in the parotid gland. A 57-year-old male with MFH in the parotid gland is reported. The patient had a 20-year history of right subauricular swelling. There was neither spontaneous pain nor tenderness. Superficial parotidectomy was performed under the tentative diagnosis of pleomorphic adenoma. The tumor was diagnosed as MFH by histological examinations including immunohistological studies. The postoperative course has been uneventful without recurrence or metastasis for six years.
Key words : MFH, histiocyte, parotidectomy, immunohistology, fibroblast