Results 131 to 140 of about 16,472 (181)
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Primitive neuroectodermal tumors
Critical Reviews in Neurosurgery, 1998The primitive neuroectodermal tumors (PNETs) of Hart and Earle constitute an important fraction of pediatric brain tumors that are clinically characterized by their aggressive behavior. In 1983, Rorke expanded the term "PNET" to include all small cell embryonal neoplasms of neuroectodermal origin, regardless of the location of the tumor. More recently,
, Nishio, , Morioka, , Fukui
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Melanotic neuroectodermal tumor in a newborn
International Journal of Pediatric Otorhinolaryngology, 2005Melanotic neuroectodermal tumor of infancy (MNTI) is an uncommon, fast-growing, pigmented neoplasm of neural crest origin; it primarily affects the maxilla of the infants during the first year of life. Approximately 200 instances of this tumor are reported in the medical literature.
Tan, O, Ugras, S, Atik, B
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Malignant sympathetic neuroectodermal tumor
The American Journal of Surgery, 1953Abstract A case of malignant sympathetic neuroectodermal derivative tumor is presented and the following features are discussed. 1. 1. Early in the patient's course on the basis of an initial positive interpretation of the bichromate reaction and the histologic picture a diagnosis of benign paraganglioma was made.
S R, BERSACK, H V, RIZZOLI
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Primitive Neuroectodermal Tumor of the Orbit
Ophthalmic Plastic & Reconstructive Surgery, 1994A 10-year-old girl developed a lump in the lateral aspect of the right eyebrow over a 3-week period. Computed tomography and magnetic resonance imaging revealed a soft-tissue mass in the superolateral aspect of the right orbit associated with zygo-maticofrontal bone erosion and hyperostosis.
A D, Singh +4 more
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Melanotic neuroectodermal tumor of infancy
Oral Surgery, Oral Medicine, Oral Pathology, 1990The case of a 2-month-old male infant treated for melanotic neuroectodermal tumor of infancy is presented to demonstrate the importance of early treatment in the containment of the growth of such lesions. Although the lesion itself is rare, the posterior maxillary location and involvement of the optic nerve in this patient's lesion made his case even ...
Peter L. Judd +3 more
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Melanotic Neuroectodermal Tumor of Infancy
Pediatric Dermatology, 2011Abstract: Melanotic neuroectodermal tumor of infancy (MNTI) is an uncommon lesion with remarkably consistent histopathologic features that arises primarily in the pediatric population. We describe a MNTI arising in the anterior maxilla of a 6‐month‐old boy.
Kelly R, Magliocca +3 more
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Melanotic Neuroectodermal Tumor of Infancy
Pediatric Pathology, 1985Melanotic neuroectodermal tumor of infancy is a specific but unusual tumor of infancy for which only sporadic cases have been reported in the literature. This paper presents a case in an infrequent site, the epididymis, and summarizes the literature on the subject.
B F, Carpenter, C, Jimenez, I A, Robb
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Primitive neuroectodermal tumor of the vagina
Gynecologic Oncology, 2003Primitive neuroectodermal tumor is grouped together with Ewing sarcoma of the bone, but its presentation includes a wider age range and more central locations than its osseous counterpart. Presentation in vagina is exceedingly rare.A 34-year-old woman with personal history of kidney transplant presented with a painless vaginal mass.
Patricia, Gaona-Luviano +4 more
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Primitive neuroectodermal tumor of the kidney
Medical Molecular Morphology, 2009We report a 21-year-old man with a primitive neuroectodermal tumor (PNET) of the kidney that was difficult to distinguish from other small round cell tumors, e.g., small cell carcinoma, malignant lymphoma, and Wilms' tumor. Pathologically, a primitive rosette-like pattern was shown by H&E staining; expression of MIC-2 was indicated by an ...
Hideaki, Ishii, Kenji, Ogaki
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Extracranial primitive neuroectodermal tumor
Medical and Pediatric Oncology, 1984AbstractAn 11‐year‐old white girl was admitted to The Children's Hospital of Philadelphia in July 1983 for evaluation of metastatic tumor. She had been well until July 1982, when a mass developed over the right scapula. Treatment with warm compresses and antibiotics resulted in no improvement, and incision and drainage were unproductive.
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