Malignant melanotic neuroectodermal tumor. Light and electron microscopic study
نویسندگان
چکیده
منابع مشابه
Canine malignant melanotic schwannomas: a light and electron microscopic study of two cases.
Malignant, melanotic schwannoma of the spinal cord was diagnosed in two two-year-old dogs. The neoplastic spindle cells were arranged in a herringbone or storiform pattern; the intracytoplasmic melanin varied in amount in different areas of the two neoplasms. Ultrastructural features including cytoplasmic lamellar premelanosomes and melanosomes, rudimentary cell junctions, scattered pinocytotic...
متن کاملMelanotic Neuroectodermal Tumor of Infancy
Melanotic neuroectodermal tumor of infancy (MNETI) is also known as pigmented neuroectodermal tumor of infancy, melanotic prognoma, retinal anlage tumor, pigmented epulis of infancy and congenital melanocarcinoma. It is a rare neoplasm, occuring primarily in maxilla and mandible of infants. Till 1990 about 200 cases had been recorded in world literature(l,2). We report a case with this entity.
متن کاملMelanotic Neuroectodermal Tumor of Infancy
Melanotic neuroectodermal tumor of infancy (MNTI) is a relatively uncommon osteolytic-pigmented neoplasm that primarily affects the jaws of newborn infants. Here, we are reporting a case of MNTI presented at the age of 12 years. The objective of this report is to review the incidence, presentation, investigation protocols, management options and outcomes.
متن کاملMelanotic Neuroectodermal Tumor of Infancy
Melanotic neuroectodermal tumor of infancy (melanotic progonoma) is a rare tumor of neural crest origin that is commonly found in the maxilla of infants (1). Brain involvement is rare (2–4). One report cites malignancy in six cases (1). We describe a case of melanotic neuroectodermal tumor that presented as an aggressive skull-based tumor that was resected and later recurred in the posterior fo...
متن کاملManagement of melanotic neuroectodermal tumor of infancy.
Melanotic neuroectodermal tumor of infancy is a rare congenital neoplasm involving the head and neck in young patients. The clinical assessment, histologic diagnosis, and management is reviewed, with an emphasis on different treatment alternatives in two new case reports.
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ژورنال
عنوان ژورنال: Cancer
سال: 1980
ISSN: 0008-543X,1097-0142
DOI: 10.1002/1097-0142(19800801)46:3<529::aid-cncr2820460318>3.0.co;2-4