Cases reported "Mouth Neoplasms"

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1/199. Adenosquamous carcinoma of the mouth: a rare variant of squamous cell carcinoma.

    Adenosquamous carcinoma is a rare tumour in the oral cavity and is characterised histologically by carcinomatous change in surface epithelium, in association with adenocarcinoma affecting the ducts of minor salivary glands. Only a dozen cases have previously been reported in the oral cavity, but all have shown an aggressive course with 60% of patients dying of disease. We report three further cases and review the literature, which suggests that this lesion should be regarded as a high-grade variant of squamous cell carcinoma.
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2/199. melanoma of the face and mouth in nigeria. A review and comment on three cases.

    The absolute incidence of melanoma at all sites in blacks is higher than is commonly credited. There is a shift in site incidence to less pigmented areas including the mucosae but oral melanoma is still rarely reported in Africans. An unusual case of facial melanoma arising in a childhood naevus, and two oral melanomas, all in Nigerians, are described. The salient clinical features and the treatment of these cases are discussed, and the possible relationship between pigmented patches and melanomas in the mouths of blacks is examined.
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3/199. Transmucosal fine-needle aspiration diagnosis of intraoral and intrapharyngeal lesions.

    OBJECTIVES: The effectiveness of fine-needle aspiration biopsy (FNAB) for the diagnosis of neck, thyroid, and salivary gland masses is well documented. Very few reports explore the potential of an intraoral FNAB approach for the diagnosis of submucosal lesions. We describe our technique and present case examples of pertinent differential diagnostic entities. We recommend an expanded role for FNAB of the oral cavity and oropharynx. STUDY DESIGN: Retrospective review. methods: A uniform technique was employed for transmucosal FNAB of 76 patients with intraoral masses. In applicable cases, cytology results were compared with traditional biopsy methods and permanent histopathologic specimens for accuracy. RESULTS: Our experience demonstrates the high sensitivity (93%) and specificity (86%) of intraoral FNAB when compared with biopsy by conventional means. FNAB provides distinct advantages for the cytologic diagnosis of submucosal lesions, which may be difficult to reach and adequately sample through conventional biopsy. FNAB of the tonsil and tonsillar fossa provides a safe and effective means of diagnosing both lymphoma and squamous cell cancer. Transmucosal FNAB via the mouth led to rapid diagnosis of a number of benign and malignant lesions. Applying this uniform FNAB technique, we had no significant complications. CONCLUSION: We recommend transmucosal FNAB as an effective means for highly accurate diagnosis of submucosal lesions of the oral cavity and oropharynx. CLINICAL RELEVANCE: Traditional biopsy techniques in the oral cavity may require anesthesia and may have diagnostic difficulties, particularly for submucosal lesions. Transmucosal FNAB overcomes these shortcomings by providing a minimally invasive means to rapid diagnosis of intraoral lesions.
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4/199. Metastasising malignant lymphoma mimicking necrotising and hyperplastic gingivostomatitis.

    This paper presents the case of a 65 year-old woman suffering from recurrent oral aphthoid ulcers which rapidly evolved towards hyperplastic and ulcerated lesions over the entire floor of the mouth. The initial lesions were interpreted as non-specific aphthoid ulcers. Later, a tentative diagnosis of necrotising stomatitis with secondary reactive proliferating epithelial hyperplasia was made. The clinical symptoms and the immuno-phenotyping of lymphocytes circulating in the peripheral blood suggested the diagnosis of CD30-positive large cell anaplastic lymphoma. The biopsy showed only a pseudoepitheliomatous hyperplasia, reactive infiltrates and no lymphoma cells. The disease ran a fulminant course leading to death within 4 weeks due to acute gastro-intestinal bleeding. autopsy revealed infiltrates of CD30 large cell anaplastic lymphoma in a submandibular lymph node, in a thrombus stenosing the right subclavian vein, in the spleen, the anterior and posterior gastric wall as well as in the depth of the tumour on the floor of the mouth. The clinical and histopathological spectrum of CD30 large cell anaplastic lymphoma is considerably variable. The particular feature of pseudoepitheliomatous hyperplasia has been reported especially in CD30 anaplastic large cell lymphomas. An early correct diagnosis is rendered difficult in insufficient biopsy size, becauses this type of lymphoma often simulates other inflammatory or neoplastic skin diseases. Thus, with a necrotising and hyperplastic gingivostomatitis, the diagnosis of a CD30 anaplastic large cell lymphoma should be considered.
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5/199. Sliding dermoid cyst. A case report.

    Dermoid cysts of the oral cavity usually present as a solitary, painless mass in the midline or, on occasion, more laterally in the submandibular region. A patient is described who presented with a mass in the submandibular region, which could be made to appear or disappear at will. This unusual manifestation occurred as the cyst plunged around the posterior border of the mylohyoid on tensing the floor of the mouth.
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6/199. diagnosis and treatment of cancer of the mouth.

    Oral cancer, which includes the lips, buccal mucosa, hard palate and the anterior two-thirds of the tongue, is particularly difficult for patients to cope with, as the cancer and its treatment are highly visible. This article covers the aetiology, classification and treatment of these cancers and presents a case study which highlights the care needed.
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7/199. Pigmented dermoid cyst of the floor to the mouth: a comparison of two cases.

    Two cases of very large midline sublingual dermoid cysts are reported; one case had unique features. A useful surgical technique for the management of such cysts in described. The failure of the cyst in one case to penetrate the geniohyoid septum despite its large size and the presence of melanin pigmentation in the cystic lining are emphasized.
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8/199. Complete dentures and the associated soft tissues.

    Some of the conditions of the soft tissues related to complete dentures encountered during a period of 25 years at a university clinic were presented and discussed from the standpoint of the clinical prosthodontist. During this time, over 1,000 denture patients were treated each year. For some conditions, a method of management was offered with treatment by sound prosthodontic principles rather than unneccessary medication. That denture fabrication involves much more than mere mechanical procedures is an understatement. Complete dentures are foreign objects in the oral cavity that are accepted and tolerated by the tissue to a degree that is surprising. As prosthodontists, we can gain satisfaction from the realization that the incidence of oral cancer due to dentures is less than extremely low. At the same time, we must be ever mindful of the statement by Sheppard and associates. "Complete dentures are not the innocuous devices we often think they are." Every dentist must remember that one of his greatest missions is to serve as a detection agency for cancer. The information discussed indicates (1) the need for careful examination of the mouth, (2) the value of a rest period of 8 hours every day for the supporting tissues, and (3) the importance of regular recall visits for denture patients. Robinson stated that while the dental laboratory technician can be trained to aid the dentist in the fabrication of prosthetic devices, his lack of knowledge of reactions and diseases of the oral tissues limits him to an auxiliary role. Complete prosthodontics is a highly specialized health service that greatly affects the health, welfare, and well-being of the patient. It can be rendered only by the true professional who is educated in the biomedical sciences.
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9/199. Leiomyosarcomas of the oral cavity: an unusual topographic subset easily mistaken for nonmesenchymal tumours.

    AIMS: Oral leiomyosarcoma is rare and poorly documented. We aimed to characterize these lesions clinicopathologically in order to facilitate their distinction from other spindle cell neoplasms in the oral cavity. methods AND RESULTS: Ten cases of oral leiomyosarcoma were retrieved and studied histologically and immunohistochemically. Clinical data were obtained from referring pathologists and prior literature concerning 46 comparable cases was reviewed. Nine out of 10 cases occurred in adults; 50% arose in the jaws and four showed bone involvement. Histological appearances were similar to leiomyosarcomas elsewhere. In addition to myogenic markers, two cases were also keratin-positive. Four patients developed local recurrence or metastatic disease and three died of tumour (median follow-up 37 months). CONCLUSIONS: leiomyosarcoma is under-recognized in the mouth, often being mistaken for a spindle-celled epithelial neoplasm. Aside from an unusual but infrequent tendency to spread to lymph nodes and a location-specific differential diagnosis, its clinicopathological features are comparable to leiomyosarcomas at other locations.
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10/199. brachytherapy using gold-198 foils in treatment of mouth tumors: case report.

    The authors presents a clinical case treated with brachytherapy performed with special mold of gold-198 disc, with the purpose of evaluating the distribution of radiation dose, the viability of manufacturing the radioactivity prosthesis and its operational cost. In despite of being only one case, we can conclude that the prosthesis with gold-198 foils can be manufactured in acrylic with thickness thinner than those ones with cylinder of cesium-137, resulting lower operational costs, besides permitting better distribution of radiation dose on the lesion.
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