Triton Tumor with Heterogeneous Cartilage Ingredient in Parotid Gland- An 88-Year Survey of the Literature on this Specially Malignant Tumor

Malignant triton tumor(MTT) is a rare and highly malignant tumor, listed as a special type of malignant nerve sheath tumors, with an extremely poor prognosis and occurring at any age and in any occupation, usually in the head and neck, torso and upper limbs, et al. This report is a rare MTT with heterogeneous cartilage ingredient in parotid gland about its clinical and pathological features, differentiation diagnosis, treatments and classifications. Limited in clinical experience about this diagnosis and treatment, by reviewing literature, through domestic and foreign data, it is found that the incidence of MTT is showing an increasing trend in recent years. Phased surgery plus adjuvant therapy is a recommended choice. This is internationally a first report of the rare MTT with heterogeneous cartilage ingredient in parotid gland.

Keywords: Parotid gland, Malignant triton tumor, Cartilage, Clinical pathology.