Wednesday, March 12, 2008

Mixed Tumor

Overview of oral and maxillofacial various benign tumors can occur. In the soft organizers, such as salivary mixed tumors, Epulis, hemangioma, lymphangioma, neurofibroma, fibroma, and so on. Occurred in bone organizers, such as giant cell tumor, such as osteoma. Oral and maxillofacial tumors and also some teeth into the organization, an odontogenic tumor, such as teeth tumor, ameloblastoma, etc.. Cause pathogenesis mixed tumor of the salivary oral and maxillofacial the most common tumors. From the salivary gland epithelial. Apart from the epithelial tumor components, but also often mucus, and other cartilage - like tissue. Salivary mixed tumors occur in the parotid gland, followed by the submandibular gland and palate. Below a mixed parotid tumor described as an example of its clinical manifestations and treatment. Clinical manifestations mixed parotid tumor often seen in middle-aged. Generally no obvious symptoms and slow the course of up to a few years or even a few decades. Tumors of the ear canal performance under the tough real mass was nodular surface, a well-Medium hardness, and not surrounding tissue adhesion, movement, no tenderness. If the tumor appeared one of the following should be taken into account when a malignant possible. ① tumor growth suddenly accelerated, ② mobile reduce, or even fixed, there ③ pain or paralysis, and so on the same side. Inspection comprehensive collection of history, local medical examination, if necessary, X-ray and laboratory examinations, Pathological examination eventually confirmed. Treatment of mixed parotid tumor in the surgical treatment of the principle of complete resection. Preoperative generally suitable for biopsy. The tumor capsule often incomplete, and sometimes the tumor cells can invade or capsular outside organizations, if not completely removed will relapse. It is not appropriate surgical tumor enucleation of the tumor should approach with its surrounding the salivary gland tissue resection together. Intraoperative should pay attention to the facial nerve. For malignant transformation, should be the treatment of cancer treatment.

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