Cases reported "Sarcoma, Synovial"

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1/48. Synovial sarcoma in the parapharyngeal space: case report and review of the literature.

    We encountered a rare case of synovial sarcoma in the parapharynx of a 47-year-old Japanese man. This patient presented with an enlarging tumor in the right side of his neck that had grown progressively over a 4-week period. Radiological examinations revealed that the tumor arose from the parapharyngeal space. The tumor could not be completely removed at surgery. Metastasis to the lumbar vertebra was detected postoperatively. The patient underwent three courses of chemotherapy and the delivery of palliative radiation to the lumbar vertebra without success. The patient died of lung metastasis 7 months after surgery.
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keywords = neck
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2/48. Synovial sarcoma of the pharynx: a case report.

    Synovial sarcoma is a malignancy not usually encountered in the head and neck region. We describe a case of synovial sarcoma of the posterior pharyngeal wall in a 14-year-old girl. The mass was completely excised via the transoral route. Postoperatively, the patient received irradiation to 60 Gy. At 40 months of follow-up, the patient remains disease-free.
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keywords = neck
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3/48. Monophasic synovial sarcoma of the neck in an 8-year-old girl resembling a thyroglossal duct cyst.

    Synovial sarcomas of the head and neck are rare. Typically, they are localized laterally in the parapharyngeal space. We report the case of an 8-year-old girl with a monophasic round cell synovial sarcoma of the anterior neck, clinically resembling a thyroglossal duct cyst. Histologic, immunohistochemic and cytogenetic findings are presented with a brief review of the literature. This case reaffirms the importance of considering malignant neoplasms in the differential diagnosis of pediatric neck masses.
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keywords = neck
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4/48. Synovial sarcoma in the retropharyngeal space.

    Synovial sarcoma is an aggressive mesenchymal tumour, rarely occurring in the head and neck. Management guidelines are by extrapolation of management of sarcomas in the extremities. We present a case involving the retropharyngeal space in a 20-year-old male. Analysis of more data on head and neck synovial sarcoma is necessary to make meaningful management recommendations.
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keywords = neck
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5/48. Submandibular synovial sarcoma with t(X;18) and synovial sarcoma of the toe with additional cytogenetic abnormalities: presentation of two cases and review of the literature.

    We report cytogenetic findings from fine-needle aspiration samples of two synovial sarcoma patients. The cases are of interest because (1) one case is of a rare site (submandibular region) of the head and neck, and (2) the other is a patient with synovial sarcoma of the toe showing additional cytogenetic abnormalities along with t(X;18). The literature of this tumor is reviewed.
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keywords = neck
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6/48. Synovial sarcoma arising from the hypopharynx: a case report.

    Synovial sarcoma is a relatively rare soft tissue tumor. About 3 to 10% of cases arise in the head and neck, with the majority in the parapharyngeal region. We hereby report a 22-year-old male patient with synovial sarcoma confined to the hypopharynx. Treatment included wide surgical excision followed by radiotherapy. It is of interest that the lesion recurred 12 years after the initial primary surgery for synovial sarcoma at the same site. The patient has been disease-free for five years.
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keywords = neck
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7/48. Synovial sarcoma of the thyroid. Report of a case with aspiration cytology findings and gene analysis.

    BACKGROUND: Synovial sarcoma, generally known as a soft tissue tumor, can also occur in the head and neck region, including the thyroid gland. Cytologic findings are important to differentiate the tumor from other types of neoplasms arising in the thyroid gland. CASE: A 60-year-old man complained of hoarseness. A palpable neck tumor was detected, and a computed tomography scan showed a thyroid tumor accompanied by destruction of the thyroid and cricoid cartilage. The results of a preoperative fine needle aspiration biopsy showed numerous spindle cells with pale cytoplasm and oval nuclei with fine, granular chromatin, all of which suggested a medullary carcinoma. The extirpated thyroid tissue weighed approximately 120 g, and a grayish white, elastic, solid tumor (6.8 x 6.5 cm) was present in the left lobe. Histologically, fasciculation of spindle cells that had proliferated solidly and densely was observed. Also, the expression of a chimera gene, SYT-SSX, was detected in the tumor tissue. CONCLUSION: Synovial sarcoma of the thyroid is extremely rare, and its diagnosis by fine needle aspiration biopsy is generally considered very difficult. The detailed cytologic findings observed here might be helpful with the differential diagnosis of thyroid neoplasms.
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ranking = 2
keywords = neck
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8/48. Oral synovial sarcoma: a report of 2 cases and a review of the literature.

    The head and neck region constitutes the second most common site of involvement for synovial sarcoma, accounting for up to 10% of all cases. Intraoral synovial sarcoma is rare; in fact, only 29 cases have been reported. We describe 2 additional cases occurring in the floor of the mouth and the retromolar area. In addition, we have reviewed the clinicopathologic features of the previously reported cases. Our findings indicate that intraoral lesions differ from lesions occurring in other sites only in that intraoral cases show a greater male predilection and a generally painless initial presentation. In the oral cavity, the possible earlier detection, easy accessibility, and small size render these tumors more likely to be amenable to surgical excision, but their biologic behavior remains aggressive, with a poor long-term prognosis. awareness of the potential for the occurrence of this neoplasm in the oral cavity is important for effective histopathologic diagnosis of intraoral spindle cell malignancies.
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keywords = neck
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9/48. Synovial sarcoma of the head and neck.

    Primary synovial sarcoma is an unusual tumor of the head and neck. Fewer than 75 cases have been reported in the literature. We have treated 7 additional cases; 3 in the hypopharynx, 2 in the parapharyngeal space, 1 in the oral pharynx and 1 in the posterior triangle of the neck. An enlarging cervical mass, voice change, and dysphagia were among the presenting complaints. CT revealed solitary nonhomogenous tumors from 3 to 7 cm in diameter. Microscopically, all cases showed a biphasic cellular pattern verified by immunohistochemical staining. Multimodality treatment consisted of surgery and postoperative radiation therapy with 3 patients receiving chemotherapy. Although the original pathology report was incorrect in 3 cases, clinical suspicion for synovial sarcoma ensured proper diagnosis.
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ranking = 6
keywords = neck
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10/48. Synovial sarcomas of the head and neck: CT and MR findings.

    The authors present three cases of histologically proved synovial sarcoma. CT is useful in assessing erosive or destructive changes in bone, and in demonstrating calcifications. MR characteristics are nonspecific; calcifications within these tumors can be missed on MR. MR can help to assess tumor extension, vascular invasion, and hemorrhage within the tumor.
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ranking = 4
keywords = neck
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