[Occurrence of a pleuropneumonia in swine due to a Pasteurella hemolytic-like organism. Its probable relation to pleuropneumonia due to Haemophilus pleuropneumoniae].
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Biomedical subjects
Publications and source records attributed to F Valenza.
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A 13-year-old, male German Shepherd dog was euthanasized for a frontal temporal mass revealed by the MRI. The histological examination showed a proliferation composed of small round undifferentiated cells arranged in sheets or nests and sometimes in pseudorosettes interrupted by hypocellular zones of fibrovascular stroma. Immunohistochemical studies revealed the expression of neuroblastic epitopes. The presented neoplasm has many histological and immunohistochemical features in common with the group of olfactory neuroblastomas reported in man, so it could be classified as primitive neuroectodermal tumor with neuronal differentiation.
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