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Página 1 a partir de 118 resultados
Primary Ewing's sarcoma of the sinonasal tract, eroding the ethmoid and sphenoid sinus with intracranial extension: A rare case report.
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Ewing's sarcoma (ES) is an aggressive tumour that may present with skeletal and extraskeletal forms. The extraskeletal form is rarely encountered in the head and neck region and is extremely rare in the sinonasal tract. This is the case report of a ES of the ethmoid sinus with intracranial and
[Reticulum cell sarcoma of the brain with bilateral ocular involvement, a case report].
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This paper describes an unusual case of primary reticulum cell sarcoma of the brain in the left temporal lobe which was considered to be metastasized to the right frontal lobe and bilateral eyes. The patient is a 60-year-old man who was completely well until Nov. 1979 when he developed headache
Interferon-alpha 2a in the treatment of acquired immunodeficiency syndrome-related Kaposi's sarcoma.
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In a series of studies, recombinant interferon-alpha 2a (rIFN alpha 2a, Roferon-A) was administered alone (273 men) or combined with vinblastine (91 men) to patients with acquired immunodeficiency syndrome (AIDS)-related Kaposi's sarcoma (KS). Patients were treated with daily doses of rIFN alpha 2a
Intracranial malignant peripheral nerve sheath tumor variant: an unusual neurovascular phenotype sarcoma case invading through the petrous bone.
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BACKGROUND
Intracranial malignant peripheral nerve sheath tumor (MPNST) is exceedingly rare. Previously reported cases of intracranial MPNST have been associated with development within a prominent cranial nerve.
METHODS
This is the first report of an MPNST with both nerve sheath and vascular
Primary Ewing's sarcoma of cranial bones: analysis of ten patients.
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OBJECTIVE
Ewing's sarcomas are the second most common bone tumors in children and primary involvement of the cranium is uncommon. We analyzed retrospectively the data of ten patients with this rare subset of disease, who had been treated at our institute since 2005. Our aim was to assess the
Sarcoma arising from a gliosarcoma.
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An 18-year-old woman with headaches and visual abnormalities was found upon biopsy to have an occipital gliosarcoma, which was treated with irradiation and chemotherapy for a year. Cells in the gliosarcoma tissue were positive for GFAP. At necropsy, only the sarcoma was evident at the site of
Primary cranial Ewing's sarcoma.
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Primary Ewing's sarcoma of the cranium is extremely rare, with only 17 cases reported so far. We describe a further case with involvement of the frontotemporal region and the orbit. The patient, an adult male, was admitted with headache and papilloedema, and later developed localised swelling and
Giant undifferentiated oropharyngeal sarcoma: a case report and review of the literature.
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We report on a patient who presented to the Ear, Nose and Throat (ENT) clinic with swelling of the neck, dysphagia, headache, dyspnea and stridor. Imaging studies revealed an expansive heterogeneous process to the left retropharyngeal region. The mass was ovoid in shape, displaying moderate
Primary Ewing Sarcoma of Frontotemporal Bone in Geriatric Patient.
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BACKGROUND
Ewing sarcoma is a rare primary malignant bone tumor, which mainly affects children and adolescents. Calvarial bone involvement and its appearance in elderly patients are extremely rare.
METHODS
We presented a 68-year-old female patient with headache and right frontotemporal swelling.
Brain metastasis of undifferentiated sarcoma and response to temozolomide treatment. Case report.
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A 33-year-old woman presented with rare brain metastases from undifferentiated high-grade sarcoma manifesting as headache and vomiting. Magnetic resonance (MR) imaging demonstrated multiple tumors in the brain, subcutaneous soft tissue, and mediastinum. The patient underwent surgery, followed by
Monophasic epithelial synovial sarcoma accompanied by an inverted papilloma in the sphenoid sinus.
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A 58-year-old man presented with a six-month history of intermittent blood-stained posterior nasal discharge. Five years ago, he had a three-week episode of fitful light headaches. Nasal ventilation, olfactory sensation, and facial sensation were normal; there were no ophthalmological complaints.
Ewing's Sarcoma of the Petrous Temporal Bone: Case Report and Literature Review.
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Ewing's sarcoma, which accounts for 6 to 9% of malignant bone neoplasms in children, typically affects the trunk and long bones and less often affects the skull (i.e., maxilla, frontal, parietal, ethmoid, temporal bones). Adding to literature of five previously reported cases, we now describe the
Primary Ewing's sarcoma/peripheral primitive neuroectodermal tumor at the vertex of the skull with elevated serum carcinoembryonic antigen: case report.
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A primary Ewing's sarcoma arising in the skull is relatively rare. Although a small number of case reports noted elevated carcinoembryonic antigen (CEA) in patients with primary central nervous system (CNS) neoplasms, there is no report of Ewing's sarcoma/peripheral primitive neuroectodermal tumor
Primary Ewing's sarcoma of the cranium.
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OBJECTIVE
We analyzed the data for a series of 14 patients with primary Ewing's sarcomas of the cranium who were treated since 1985. Our aim was to assess the long-term outcomes and the selection of appropriate treatment methods.
METHODS
The patients were reviewed with respect to their clinical
Clear cell sarcoma of the kidney distinguished from synovial sarcoma using genetic analysis: a case report.
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BACKGROUND
The most common pediatric renal neoplasm is Wilms tumor, but clear cell sarcoma of the kidney or synovial sarcoma of the kidney are also sometimes encountered. Accurate pathological diagnosis is important, because adjuvant therapies including chemotherapy and radiotherapy differ according
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