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11/26. Adenoid cystic carcinoma associated with salivary duct cyst in the sublingual gland.

    We described an extremely rare case of adenoid cystic carcinoma associated with salivary duct cyst in the sublingual gland of a 40-year-old Japanese woman. The tumor was growing from the cyst wall and almost occluded the cyst lumen. The epithelium lining the cyst lumen contained both keratin 19-positive cells and alpha-smooth muscle actin-positive cells, indicating the cyst being derived from the acinus/intercalated duct of the sublingual gland. Therefore, our case has presented for the first time a direct evidence that adenoid cystic carcinoma arises from acinus/intercalated duct.
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12/26. Papillary cystadenocarcinoma of the sublingual gland presenting as a ranula.

    A case is reported of a papillary cystadenocarcinoma of the sublingual gland which presented as a ranula. This is both rare in site and mode of presentation.
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13/26. Acinic cell carcinoma found by recurrence of a mucous cyst in the sublingual gland.

    This case report describes an acinic cell carcinoma found by a recurrence of a ranula in the sublingual gland. A 42-year-old male was admitted to the hospital of the tokyo Dental College with a swelling in his right oral floor but without pain. The lesion was treated by windowing the same day under the diagnosis of a ranula, but the swelling appeared again at the same area eight months after the first operation. A resection was performed, and the specimen was sent to the clinical laboratory for pathological diagnosis. Proliferating serous cells were seen in part of the wall of an exudative mucous cyst. PAS staining was partially positive, and immunohistochemical staining for S-100 protein, lactoferrin, and amylase were also positive in cytoplasmic granules. This report concludes that the pathological diagnosis is beneficial in clarifying the reasons for the recurrence of a benign lesion.
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keywords = gland
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14/26. Clear cell neoplasm.

    We are reporting four cases of clear cell neoplasm. Local infiltration and destruction was observed in one case while in a second case, originating in the sublingual gland, metastasis to the lymph nodes occurred. The behaviour of these neoplasms has prompted the suggestion that these tumours be designated carcinomas rather that noncommittally tumours or neoplasms (Batsakis and Regezzi, 1977). The histopathological characteristics of our four cases conform to those that have been articulated and believed to be the distinctive features of these tumours (Batsakis and Regezzi, 1977). It is hoped that ours and similar reports will be helpful towards clearing the diagnostic and taxonomic confusion regarding these tumours.
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15/26. Salivary gland carcinoma treated with concomitant chemoradiation with intraarterial cisplatin and docetaxel.

    Malignant neoplasms of the salivary gland are uncommon entities in which surgical resection of the primary lesion has been accepted as a standard therapeutic option. The efficacy of radiation and systemic chemotherapy has been limited for patients with recurrent, metastatic, or unresectable disease because of unfavorable response rates and the short duration of the response. We treated one patient with recurrent adenoid cystic carcinoma arising from the sublingual gland and one patient with primary adenocarcinoma arising from the parotid gland with transfemoral intraarterial chemotherapy, based on full-dose cisplatin and docetaxel and concurrent external-beam radiotherapy. The doses of cisplatin and docetaxel in the two patients were 80-100 mg/m2 and 10-15 mg/m2, respectively. Docetaxel was infused first, followed by cisplatin. Both patients obtained complete responses. Although complications such as mucositis, anorexia, neutropenia, and ischemic colitis were observed, they were well tolerated and manageable. The concomitant chemoradiotherapy of cisplatin and docetaxel seemed to be a practicable option for patients with recurrent and unresectable salivary gland carcinomas.
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16/26. A case report of papillary adenocarcinoma in sublingual region--ultrastructural and histochemical study.

    A rare case of papillary adenocarcinoma located in the sublingual region is presented. This case was initially considered to be a hemangioma and then the tentative clinical diagnosis was thyroglossal duct cyst at the time of the operation under general anesthesia. However, the final histopathologic diagnosis was papillary adenocarcinoma. We investigated its origin by histological, ultrastructural and histochemical techniques and it was suggested that this tumor arose from the minor salivary gland.
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17/26. Polymorphous low-grade adenocarcinoma of the tongue.

    Primary adenocarcinoma of the oral cavity is an infrequently encountered problem. Adenocarcinomas are distinctive lesions which can be subclassified according to their tissue growth patterns or histomorphology. The polymorphous low-grade adenocarcinoma of the oral cavity is usually of minor salivary gland origin. We present an unusual case of polymorphous low-grade adenocarcinoma of the tongue and add this case to the existing two previous reports in the literature. A review of the current literature concerning this tumor is included. Treatment presently consists of complete local excision followed by radiation therapy.
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keywords = gland
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18/26. Bilateral submandibular gland lymphoma in sjogren's syndrome.

    Salivary gland lymphoma is associated with sjogren's syndrome. A case of bilateral submandibular gland and sublingual gland lymphoma, arising in sjogren's syndrome, is presented. A lymphoma involving more than one salivary gland may occur in sjogren's syndrome, and there is an increased risk of developing an extrasalivary lymphoma.
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ranking = 1.5460919427713
keywords = gland, submandibular
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19/26. Solitary fibrous tumour arising from sublingual gland: report of a case.

    A solitary fibrous tumour is a pleural tumour which may rarely be detected at non-pleural sites. In this report, the case of a solitary fibrous tumour arising from the sublingual salivary gland is described.
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20/26. Dysplastic pleomorphic adenoma of the sublingual salivary gland.

    All tumours of the sublingual gland are rare and paradoxically the large majority are malignant. A case of pleomorphic adenoma in the sublingual gland is described. The tumour showed areas of dysplasia and the difficulties in distinguishing this from benign pleomorphic adenoma or carcinoma in pleomorphic adenoma are considered, and the literature is reviewed.
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