dc.creatorPiñeros Duque, Ricardo Javier
dc.creatorSalazar Latorre, Cortes Adolfo
dc.creatorVenegas Cortes, Carlos Alberto
dc.creatorGalindo Rodriguez, Jessika Paola
dc.creatorBenoit-Biancamano, Marie Odile
dc.date2021-02-23T08:00:00Z
dc.date.accessioned2022-10-13T13:37:30Z
dc.date.available2022-10-13T13:37:30Z
dc.identifierhttps://ciencia.lasalle.edu.co/scopus_unisalle/14
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/4157990
dc.descriptionEsthesioneuroblastoma or olfactory neuroblastoma is a malignant tumor and is derived from the olfactory neuroepithelium, rare in domestic species and particularly in equines. The present report corresponds to a 13-year-old equine patient who presented chronic respiratory disease with two years of evolution and in which period developed unilateral proptosis. At necropsy, an intracranial mass of soft consistency was found, partially delimited in the aboral region within the left nasal cavity, which extended, partially compromising the bones, presphenoids, ethmoids and membranous structures in the ethmoidal and orbital region, causing the partial protrusion of the eyeball and face compression of the left cerebral hemisphere, secondary lesions in the maxillary tuberosity, pterygopalatine fossa and guttural pouch. The microscopic findings corresponded to a neoplastic process of neuroendocrine origin, whose cells are arranged in supported nests and separated by a fine fibrovascular stroma. The neoplastic process was confirmed by immunohistochemical (IHC) and histochemical (HQ) methods, where the tumor cells were positively marked by antibodies against synaptophysin, S-100 protein antigen, neurospecific enolase (NSE) and chromogranin A. Stained Grimelius argyrophilargentaphin cells were identified. Based on the macroscopic and microscopic findings and the use of IHQ and HQ, the presence of esthesioneuroblastoma was established.
dc.sourceRevista de Investigaciones Veterinarias del Peru
dc.subjectEsthesioneuroblastoma
dc.subjectHistochemistry
dc.subjectImmunohistochemistry
dc.subjectOlfactory neuroblastoma
dc.titleCase report: Esthesioneuroblastoma in an equine
dc.typeArticle


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