Results 161 to 170 of about 27,561 (220)
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Parapharyngeal Neoplasm of Mixed Mesenchymal and Neuroepithelial Origin
Archives of Otolaryngology - Head and Neck Surgery, 1980A 20-year-old man had a left parapharyngeal neoplasm that displayed features of sarcoma of the nerve sheath, meningioma with an osseous component, rhabdomyosarcoma, and ganglioneuroma. The diverse cellular population suggests a tumor origin from the ectomesenchymal remnants of the neural crest. The mesenchymal part of the crest would differentiate into
S, Shuangshoti, A, Chutchavaree
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Cerebellar neoplasm of mixed mesenchymal and neuroepithelial origin
Journal of Neurosurgery, 1983✓ A 3½-year-old boy had a neoplasm of mixed mesenchymal and neuroepithelial origin in the cerebellar vermis. The tumor was composed of rhabdomyosarcoma and medulloblastoma. There was additional differentiation within the neuroepithelium, including neoplastic neurons, neuroblasts, astroglia, oligodendroglia, ependymal cells as well as foci of ...
S, Shuangshoti, S, O'Charoen
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Malignant neoplasm of mixed mesenchymal and neuroepithelial origin (ectomesenchymoma) of thigh
Journal of Surgical Oncology, 1984AbstractA 49‐year‐old man had a malignant soft tissue tumor of the right thigh with metastasis to the femoral region and lower quadrant of the anterior abdominal wall on the right side and the left supraclavicular lymph nodes. The neoplasm showed features of chondrosarcoma and primitive neuroectodermal tumor (combined neuroblastoma, ependymoma ...
S, Shuangshoti +3 more
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Ultrastructural Pathology, 1983
This report describes for the first time the presence of intranuclear rodlets in a malignant extracranial neuroepithelial neoplasm. This malignant neoplasm appeared poorly differentiated by light microscopy and presented initially as a diagnostic problem.
C M, Payne, R B, Nagle
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This report describes for the first time the presence of intranuclear rodlets in a malignant extracranial neuroepithelial neoplasm. This malignant neoplasm appeared poorly differentiated by light microscopy and presented initially as a diagnostic problem.
C M, Payne, R B, Nagle
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Small‐Cell Neuroepithelial Tumor of Skin: A Merkel‐Cell Neoplasm?
The Journal of Dermatologic Surgery and Oncology, 1982Two patients with small‐cell undifferentiated neuroepithelial tumors of skin are reported. The histologic and ultrastructural features of this neoplasm are presented. Characteristic membrane‐bound, dense‐core neurosecretory granules were seen in the cytoplasm of the tumor cells in both cases.
S V, Pollack, J B, Goslen
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