顎下型ガマ腫の2症例

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We reported two cases of plunging ranulas. One of these eases is of an 11-year-old boy patient. From several months before, he had noticed. painless swelling in the right submaxillary region. He left it as it was because of no pain. However, it gradually increased in size, so he consulted our clinic and was admitted. We confirmed it by a sialogram and routine radiographic investigation, but there was no abnormality in the submandibular gland and its duct. Surgical extirpation was carried out from the right submaxillary triangle under general anesthesia. During the operation, the thin walled cyst sac ruptured, so the dissection of the lesion was extremely difficult. We tried to remove the cyst sac as soon as possible. The follow up examination was done one year and 4 months later and there was no abnormality. The other case is of a 29-year-old male patient whose physical examination disclosed a painless, diffused and soft cystic mass located in the left submaxillary area. The X-ray, computed tomography showed a clear mass in contact with the submandibular gland, which indicated 17 to 29 CT numbers. Surgical incision was made in the skin below the left submaxillary triangle. And we extirpated both the cyst and submandibular gland simultaneously. After the surgery, about a year and two months have passed and there is no recurrence.
社団法人日本口腔外科学会の論文