硬軟口蓋部から咽頭部にかけて腫大した耳下腺腫瘍の1例

概要

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Pleomorphic adenoma is the most frequent type of benign salivary gland tumors. The authors encountered a patient with a huge tumor in the parapharyngeal space, which very rarely gives rise to tumors. We report here an outline of the clinical characteristics of this case and discuss the operation method for this parapharyngeal space tumor.<BR>The patient was a 57-year-old man who came to our clinic complaining of a swelling on the right soft palate. The patient underwent excision of a parotid gland tumor 18 years ago. According to the CT scan and MRI findings, the tumor was the size of a hen's egg' bellshaped, and occupited the parapharyngeal space. For The surgical procedule, we chose a cervical-transpharyngeal approach with a midline mandibulotomy. The large tumor could be easily removed as a whole.<BR>The patient has been free of disease for two years after the operation. We could not find any problem with the mandibular osteotomy site. CT scan and MRI were suggested to be very useful either in determining the position and size of the tumor or in selecting the surgical method.
社団法人日本口腔外科学会の論文