Cases reported "Neoplasm Invasiveness"

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1/266. Vaginal epithelioid angiosarcoma.

    A case of epithelioid angiosarcoma of the vagina is described. Only five cases of angiosarcoma at this site have been reported, three of which followed radiotherapy for other gynaecological malignancies. None is described as an epithelioid angiosarcoma, an unusual and recently described variant which is readily confused with carcinoma. This is thought to be the first reported epithelioid angiosarcoma at this site and highlights the difficulties in diagnosis.
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ranking = 1
keywords = sarcoma
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2/266. Intracranial myxoid chondrosarcoma with early intradural growth.

    Chondrosarcomas are extremely rare intracranial cartilaginous tumors of which the myxoid variant is the least reported in the literature. They develop extradurally and generally infiltrate the dura only in advanced stages or at recurrence. We describe the case of a 55-year-old woman with a posterior cranial fossa myxoid chondrosarcoma which had a primarily intradural extension.
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ranking = 0.75
keywords = sarcoma
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3/266. Parosteal osteosarcoma of a metatarsal with intramedullary invasion.

    A 70-year-old man presented with increasing swelling of 2 years' duration, on the dorsal aspect of the forefoot. Imaging studies revealed a heavily calcified surface lesion of bone with early invasion of the underlying second metatarsal. Both imaging findings and the subsequent resection histology were consistent with a parosteal osteosarcoma, which is particularly rare at this site and at this age. The differential diagnosis of a mineralizing surface lesion of bone arising in the foot is discussed.
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ranking = 0.625
keywords = sarcoma
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4/266. Operative strategies for resection of pulmonary sarcomas extending into the left atrium.

    Pulmonary sarcomas may extend into the left atrium through the pulmonary veins, requiring the use of cardiopulmonary bypass for resection. The operative strategy for these complicated resections must account for the laterality of the tumor, the extent of atrial involvement, the severity of local invasion within the hemithorax, and intrinsic surgical heart disease, if present. We discuss these issues using an illustrative case of a patient with a right pulmonary sarcoma extending from the lateral chest wall into the left atrium.
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ranking = 0.75
keywords = sarcoma
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5/266. chondrosarcoma in a patient with McCune-Albright syndrome. Report of a case.

    A case of McCune-Albright syndrome with acromegaly and chrondrosarcoma is reported. The potential role of chronic growth hormone overproduction in the occurrence of malignant transformation and the possible value of bisphosphonates in the treatment of bone fibrous dysplasias are discussed.
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ranking = 0.625
keywords = sarcoma
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6/266. Unilateral hydronephrosis and recurrent endometrial stromal sarcoma with review of the literature.

    In this case we present a woman with arterial hypertension. Further examination showed an unilateral hydronephrosis caused by extrinsic compression. A tumoral mass, invading the caval inferior vein and the renal vein, is the very origin of the compression. This mass is a recidive of an endometrial stromal sarcoma for which she had a hysterectomy in 1984.
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ranking = 0.625
keywords = sarcoma
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7/266. Upper aerodigestive tract liposarcoma: report on four cases and literature review.

    OBJECTIVE: To report on the clinical behavior, histopathology, treatment, and prognosis of laryngeal, hypopharyngeal, and cervical esophageal liposarcomas. STUDY DESIGN: Retrospective reviews of pathology files and hospital records at a tertiary care hospital and a retrospective search of the English-language literature. methods: Cases of upper aerodigestive tract (UADT) liposarcoma with adequate histopathologic documentation and clinical information were included for review. RESULTS: Four cases of UADT liposarcomas were identified. The literature review revealed 26 cases of laryngeal liposarcomas, 7 cases of hypopharyngeal liposarcomas, and 6 cases of esophageal liposarcomas: the mean age at presentation was 55.8 years, the male:female ratio was 5:1, and 60% of the patients presented with dysphagia. Eighty-six percent of tumors had low-grade histologic findings. The recurrence rate after primary resection was 50%. recurrence correlated with surgical procedure rather than with histologic subtype; 94.7% of recurrences happened after simple excision. Distant metastases occurred in three patients; two of them died of the disease. CONCLUSIONS: The literature supports that UADT liposarcomas are rare and usually of low-grade histologic type. The rate of metastatic disease and tumor-related mortality is low. However, high recurrence rates have been noted, particularly when less radical surgery is employed.
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ranking = 1.375
keywords = sarcoma
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8/266. Primary cardiac angiosarcoma with right coronary artery-to-pericardial fistula--a case report.

    Primary cardiac sarcoma is a rare tumor that is difficult to diagnose preoperatively. Hemopericardium and coronary artery fistula are rare complications of primary cardiac sarcoma. The authors report a case of primary cardiac angiosarcoma presenting with hemopericardium, secondary to right coronary artery-to-pericardial fistula, with a review of the literature.
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ranking = 0.875
keywords = sarcoma
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9/266. Simultaneous anterior-posterior approach for excision of malignant paraspinal tumor and subsequent reconstruction. Technical note.

    In cases of primary malignant extradural tumors of the spine, the main goal of the surgery is en bloc resection and reconstruction of the spine. After placing the patient in the lateral position, an en bloc resection of a chondrosarcoma that arose from the right seventh rib head and invaded the adjacent vertebra was performed using a simultaneous anterior-posterior approach followed by spinal reconstruction. The technical details are reported. Paraspinal malignant tumors of the thoracic spine can be safely removed en bloc and the spine reconstructed using this approach.
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ranking = 0.125
keywords = sarcoma
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10/266. Dedifferentiated parosteal osteosarcoma with rhabdomyosarcomatous differentiation.

    Dedifferentiated parosteal osteosarcomas are characterized histologically by the combination of low-grade fibroblastic osteosarcoma admixed with a high-grade component that typically has the appearance of malignant fibrous histiocytoma or osteosarcoma. Herein we report a case of dedifferentiated parosteal osteosarcoma of the distal femur, in which the high-grade component consisted of rhabdomyosarcoma. To our knowledge, a rhabdomyosarcomatous component has not been described previously in a dedifferentiated parosteal osteosarcoma. The clinical, radiologic, and pathologic features of this rare type of surface osteosarcoma are described.
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ranking = 2
keywords = sarcoma
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