Cases reported "Mouth Neoplasms"

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11/96. dermoid cyst of the floor of the mouth--a case report.

    We report a case of a 30-year-old, previously healthy man who presented at our clinic with complaints of increasing dysphagia and globus sensation for about 2 years. In addition, he noticed an increasing submental swelling. On examination, the patient revealed a massive swelling of the floor of the mouth, which had displaced the tongue cranially. MRI imaging showed the lesion to be a homogeneous, cystic lesion, clearly at a distance from the surrounding mucous tissue. Surgery was performed, and the tumor was resected completely. Histologic examination of the resected tissue was consistent with a dermoid cyst located in the floor of the mouth. Although dermoid cysts are rarely located in the oral cavity, it should be included in differential diagnosis. Surgery is the treatment of choice.
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12/96. Solitary fibrous tumour of the mouth: report of two cases involving the tongue and cheek.

    We describe two additional cases of solitary fibrous tumour (SFT) affecting the mouth. SFT is very uncommon in the oral cavity and we found only 14 cases reported in the literature. Our two cases were well circumscribed, slow growing tumours that, after surgical removal, did not recur. Case 1 was a 3 cm nodule on the right cheek. Hypo and hypercellular adjacent areas were mainly patternless, and the stroma was formed by thin collagen fibrils. Case 2 was a 4.8 cm mass in the anterior portion of the tongue. Microscopically it was formed by spindle cells embedded in a vascularized sclerotic collagen matrix. Some areas were hypercellular with scarce collagen fibrils. The immunohistochemical findings were similar in both cases, with strong immunoreactivity for vimentin, CD34, bcl-2, focal positivity for Ki-67 and negativity for other immunomarkers. Based on these clinical, microscopical and immunohistochemical features the final diagnosis of these two cases was SFT. diagnosis of SFT is difficult and, although uncommon, it should be considered in the differential diagnosis of oral soft tissue tumours.
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13/96. Sublingual epidermoid cyst.

    Dermoid and epidermoid cysts are developmental pathologies that occur in the head and neck with an incidence ranging from 1.6 to 6.9%, and they represent less than 0.01% of all oral cavity cysts.Our purpose is to report a case of sublingual epidermoid cyst of the floor of the mouth. We studied and operated on an 18-year-old white male patient showing a large swelling of oral floor. His main symptoms were difficulty breathing, swallowing, and speaking. At his birth the patient's tongue was adherent to the floor of the mouth. His father had the same problem at birth. Both father and son underwent surgical separation of tongue, during the post-neonatal period.After the surgical removal of the swelling, under general anesthesia, all the patient's symptoms were missed. Histological examination of the mass confirmed the diagnosis of an epidermoid cyst. No relapse of the lesion was present in ten months of follow-up. Many theories are proposed on the etiology of the epidermoid and dermoid cyst. In this case a traumatic event can be found, such as an operation of the tongue in neonatal age. However a multifactorial origin must be assumed for justifying the fact that the patient's father did not develop a dermoid cyst although he had the same problem of an adherent tongue and was operated on.
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14/96. Primary ectopic thyroid papillary carcinoma in the floor of the mouth and tongue: a case report.

    We report a rare case of papillary carcinoma in the tongue and floor of the mouth with metastasis in cervical lymph nodes. Treatment was by total thyroidectomy with right radical lymph node dissection of the neck, followed by 60 Gy of radiotherapy and 100 mCi (131)I. Pathological examination of the thyroid gland showed no primary cancer. We review publications about ectopic thyroid and the value of antithyroglobulin immunostaining for diagnosis and treatment of the tumour.
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15/96. Lining the mouth floor with prelaminated fascio-mucosal free flaps: clinical experience.

    Soft-tissue defects of the mouth floor need thin, foldable, and pliable tissues able to preserve local anatomy as well as chewing, phonation, and deglutition. The oral mucosa is made of a stratified, nonkeratinized, epithelium-secreting mucus, which lubricates the oral cavity and facilitates tongue movements. No flap exists that can reproduce the physiology of the oral mucosa better than the oral mucosa itself. Prefabrication of mucosal flaps may represent the best solution. Therefore, 10 consecutive cases of mouth floor cancer were treated with prelamination of the fascia antibrachialis with mucosal grafts obtained from the healthy cheek, and with subsequent transplantation 3 weeks later. A significant increase in mucosal graft surface was seen in all cases, with a mean size twice the original. All flaps healed uneventfully. Follow-up time ranged between 2-60 months (average, 26.6 months). Morphological and functional results were excellent. tongue motility, speech intelligibility, and swallowing were reestablished in all treated cases. Mucosal prelamination of the forearm fascia is feasible and allows physiological reconstruction of oral cavity defects up to 6 x 4 cm.
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16/96. Buccal mucosal cancer patient who failed to recover taste acuity after partial oral cavity irradiation.

    PURPOSE: We report a patient who suffered from prolonged loss of taste acuity after partial oral cavity irradiation. methods: The electric taste threshold (ETT) of each point in the oral cavity was measured with an electric gustometer to evaluate quantitative local taste acuity. A subjective total taste acuity (STTA) scale was used to evaluate subjective total taste acuity. CASE: A 61-year-old male patient with right buccal mucosal cancer underwent radiation therapy more than 11 years ago, and has suffered from loss of taste acuity since then. He received electron beam irradiation to part of the oral cavity and right upper neck, mainly the right buccal mucosa near the retromolar trigone and a metastatic right submandibular node. He did not receive irradiation to the anterior portion of the tongue or left side of the posterior portion of the tongue. His ETT scores for each point were equal to or greater than 26, and his STTA score was grade 3. CONCLUSION: The present case implies that radiation damage to part of the oral cavity can cause the loss of subjective total taste acuity.
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17/96. Clinical characteristics of oral adenosquamous carcinoma: report of a case and an analysis of the reported Japanese cases.

    We present a case of adenosquamous carcinoma (ASC) which developed in the floor of the mouth of a 72-year-old Japanese man, and review 19 reported ASC cases in japan from between 1986 and 2001, including the subject case herein. These ASCs occurred at an average age of 63 years, with 74% of the ASCs occurring in the floor of the mouth (8) and the tongue (6); the other sites of occurrence were the palate (3) and mandibular alveolus (2). Chief complaints were painless mass formation (28%), pain and/or sensational abnormality (28%), painful ulcer or swelling (22%), simple ulcer (11%), and miscellaneous others (11%). The clinical presentations of ASC were tumor with ulceration (58%), tumorous mass (26%), and ulcer (16%). Tumor size at first examination varied from bean-size to approximately 65 x 40 mm. In the pretreatment period, 31.3% were known to have cervical lymph node involvement, and descriptions on distant metastasis were not noted in any of the 19 cases. Some of the ASCs were initially diagnosed as other types of lesions, such as squamous cell carcinoma (SCC; 41%), adenocarcinoma (Ad.C; 12%) mucoepidermoid carcinoma (MEC; 6%), and MEC or SCC (6%). After initial treatments, neck and distant metastases were ascertained in 47.1 and 17.6% of the cases, respectively. Generally, a surgical procedure was performed as one of the most critical methods of treatment. The overall 5-year survival rate was 57.0%, with that of patients who underwent active treatment at 60.6%. Our study demonstrates the extent of the varied nature of ASC.
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18/96. Early radiation-induced malignant fibrous histiocytoma of the oral cavity.

    With an incidence of less than 0.3 per cent, post-radiation sarcomas are rare malignant neoplasms with a very poor prognosis. On average, they occur after a latency period of at least 15 years following radiation therapy with doses ranging from 24 to 80 Gy. We present the case of a post-irradiation malignant fibrous histiocytoma (MFH) on the floor of the mouth in a 79-year-old male patient arising only five and a half years after radiation therapy. The primary tumour was classified as a well differentiated squamous cell carcinoma of the right rim of the tongue. Primary therapy was surgical resection of the tumour and post-operative radiation with 50 Gy. Five and a half years later, the patient developed a rapidly progressing MFH within the field of radiation.
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19/96. Case report: Oral pemphigus vulgaris with multiple oral polyps in a young patient.

    A rare case of oral pemphigus vulgaris is presented, which developed initially in a 9-year old Jordanian male. The disease was not well controlled with immunosuppressive therapy and was complicated by the development of multiple oral polyps approximately one year after the onset of symptoms. These lesions were smooth, painless and located particularly on the upper labial gingiva, the labial and buccal mucosae and the tongue. disease activity continued for approximately nine years until the patient was referred to an oral medicine specialist. Histological examination of the polyps revealed exuberant granulation tissue. Adjustment of the steroid dosage lead to resolution of the oral symptoms and the polyps reduced in number and in size. This case highlights the occurrence of pemphigus vulgaris in young patients, illustrates a rare complication of persistent ulcero-inflammatory disease and emphasises the importance of specialist referral in the management of oral disease.
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20/96. Oral leiomyoma: a case report.

    Oral leiomyoma is a benign smooth muscle tumour, that occurs most frequently in the uterine myometrium, gastrointestinal tract, and skin. Ocurrence in the oral cavity is considered rare, probably because of the paucity of smooth muscle tissue at this level. Smooth muscle tumours can occur at any age an usually is appear as a slow growing, firm mucosal nodule. Most lesions are asymptomatic, although occasional tumours can be painful. The most common sites are: lips, palate and tongue. The diagnosis of leiomyoma in the oral cavity is mainly determined by histological studies and special specific stains may be helpful to differentiate from other tumours, and also to confirm the smooth muscle origin is the diagnosis is in doubt. Surgical excision of the lesion appears to be the best treatment option. The purpose of this article is to present a case of a 62 year-old woman, with a 6 month history of a leiomyoma in her right cheek and to explain its clinical features and treatment.
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