نتایج جستجو برای: perivascular epithelioid cell tumor pecoma
تعداد نتایج: 1921439 فیلتر نتایج به سال:
BACKGROUND We describe a case of malignant perivascular epithelial cell tumor (PEComa) arising primarily in the distal left femur of a 47-year-old male. CASE PRESENTATION The patient presented with pain accompanied by progressive swelling of his left thigh. Computed tomography (CT) scan and magnetic resonance imaging (MRI) revealed an osteolytic lesion. Curettage of the lesion was reported as...
Perivascular epithelioid cell tumors (PEComas) represent a rare group of tumours with uncertain malignancy potential exhibiting an immunophenotype characterized by actin and Human Melanoma Black 45 (HMB45) immunoreactivity. Our case concerns about a rare malignant uterine perivascular epithelioid cell tumour diagnosed in a patient underwent to subtotal hysterectomy with unclear diagnosis, 12 ye...
BACKGROUND Malignant perivascular epitheliod cell tumor (PEComa) is a very rare entity composed of distinctive perivascular epitheliod cells with variable immunoreactivity for melanocytic and muscle markers. At present this neoplasm does not have a known normal cellular counterpart and the natural history is often unpredictable. Up to now, few cases of PEComa have been described and treatment m...
Perivascular epithelioid cell tumor of the lung, also known as clear cell "sugar" tumor, is a rare benign tumor arising from perivascular epithelioid cells. Herein, we present a case of spindle cell subtype of pulmonary perivascular epithelioid cell tumor with prominent calcification and malignant potential in a 49-year-old woman. Histologically, the striking feature of this lesion was attribut...
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