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Perineurioma: a distinctive and underrecognized peripheral nerve sheath neoplasm.
CONTEXT Perineuriomas are benign peripheral nerve sheath neoplasms composed of perineurial cells with characteristic immunohistochemical and ultrastructural features. They have been traditionallyExpand
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Cutaneous Lymphocytic Thrombophilic (Macular) Arteritis: A Distinct Entity or An Indolent (Reparative) Stage of Cutaneous Polyarteritis Nodosa? Report of 2 Cases of Cutaneous Arteritis and Review of
Abstract:Recently, 2 putatively novel clinicopathological entities, macular arteritis (MA) and lymphocytic thrombophilic arteritis (LTA), have been described. Both exhibit an indolent chronic courseExpand
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Genomic gains of COL1A1‐PDFGB occur in the histologic evolution of giant cell fibroblastoma into dermatofibrosarcoma protuberans
Giant cell fibroblastoma (GCF) is a subcutaneous mesenchymal neoplasm characterized by the chromosomal t(17;22), which results in the formation of the fusion gene COL1A1‐PDGFB. This same fusion geneExpand
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Retroperitoneal Lipomatous Tumors Without Cytologic Atypia: Are They Lipomas?: A Clinicopathologic and Molecular Study of 19 Cases
Most well-differentiated liposarcomas can be readily distinguished from lipomas on histologic grounds alone. However, occasional retroperitoneal lipomatous tumors show no cytologic atypia. ToExpand
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Salivary gland-type lung carcinomas: an EGFR immunohistochemical, molecular genetic, and mutational analysis study
Salivary gland-type lung carcinomas are uncommon neoplasms of the lung, the two most common being adenoid cystic carcinoma and mucoepidermoid carcinoma. Although they usually have an indolentExpand
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Human papillomavirus and Epstein-Barr virus infection, p53 expression, and cellular proliferation in laryngeal carcinoma.
Laryngeal carcinomas are aggressive neoplasms with controversial association with the human papillomavirus (HPV) and Epstein-Barr virus (EBV). So far, the impairment of p53 protein function and itsExpand
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Dilation of Apocrine Glands. A Forgotten but Helpful Histopathological Clue to the Diagnosis of Axillary Fox-Fordyce Disease
Fox-Fordyce disease is a condition with protean histopathological alterations whose pathogenesis remains a mystery. Although recent studies have addressed histological changes specific of thisExpand
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Expression of p53, Ki-67, and CD31 in the vaginal margins of radical hysterectomy in patients with stage IB carcinoma of the cervix.
OBJECTIVES This study was undertaken to evaluate the expression of p53, Ki-67, and CD31 both in the tumor and in the vaginal margins of radical hysterectomy in patients with stage IB squamous cellExpand
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Guidelines of the Brazilian Dermatology Society for diagnosis, treatment and follow up of primary cutaneous melanoma - Part I*
The last Brazilian guidelines on melanoma were published in 2002. Development in diagnosis and treatment made updating necessary. The coordinators elaborated ten clinical questions, based on PICOExpand
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Brazilian guidelines for diagnosis, treatment and follow-up of primary cutaneous melanoma - Part II*
The last Brazilian guidelines on melanoma were published in 2002. Development in diagnosis and treatment made updating necessary. The coordinators elaborated ten clinical questions, based on PICOExpand
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