Rafael de Deus Moura

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Well-differentiated liposarcoma (WDLS) is one of the most common malignant mesenchymal tumors and dedifferentiated liposarcoma (DDLS) is a malignant tumor consisting of both WDLS and a transformed nonlipogenic sarcomatous component. Cytogenetically, WDLS is characterized by the presence of ring or giant rod chromosomes containing several amplified genes,(More)
NUT carcinoma (NC) is a rare malignant neoplasm usually located in the midline, including the upper aerodigestive tract. NC is an aggressive and highly lethal type of carcinoma. It is defined by the rearrangement of the nuclear protein in the testis (NUT) gene on chromosome 15q14. In most cases, the NUT is involved in a balanced translocation with the BRD4(More)
Brown-Vialetto-Van Laere syndrome (BVVLS) is a rare neurological disease characterized by sensorineural hearing loss and multiple cranial nerve palsies, usually involving the VIIth and IXth to XIIth cranial nerves. We describe the clinical and pathological features of a 33-year-old woman with BVVLS. The patient developed progressive exertional dyspnea, with(More)
The mesenchymal chondrosarcoma is a rare malignant tumor composed of small atypical undifferentiated cells and mature cartilage matrix islands, typically presenting with a bimorph a appearance. Its origin in large vessels is extremely rare, with only four cases reported in literature. We report a case of a patient presenting with swelling in the right leg,(More)
Angiomatoid "malignant" fibrous histiocytoma is a rare sarcoma of low malignant potential that occurs most commonly in the extremities of children and young adults. Herein, we present a case of angiomatoid malignant fibrous histiocytoma with unusual histologic features arising in the mediastinum of an 80-year-old man. The tumor exhibited a reticular growth(More)
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