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Revista Peruana de Medicina Experimental y Salud Publica

Print version ISSN 1726-4634

Abstract

CRUZADO-SANCHEZ, Deivy et al. Primary orbital cystic tumor: a case of hydatidosis in a child. Rev. perú. med. exp. salud publica [online]. 2017, vol.34, n.3, pp.560-563. ISSN 1726-4634.  http://dx.doi.org/10.17843/rpmesp.2017.343.2809.

Primary orbital cystic tumors caused by Echinococcus granulosus are rare. As this parasite is endemic in Peru, we report the case of a 10-year-old girl from a rural area of Huancavelica, who presented with progressive and irreducible axial proptosis of the right eye and loss of vision. Orbital tomographic images demonstrated a tumor mass with a cystic appearance. Serologic tests were negative. The patient underwent surgical resection, and histopathologic analysis revealed anhistic membranes, corresponding to hydatid cysts. During one year of follow-up, no evidence of local or systemic recurrence was observed. In conclusion, orbital hydatidosis should be considered in the differential diagnosis of a cystic orbital tumor in pediatric patients, especially if the patient is from an endemic area.

Keywords : Orbit; Neoplasms; Orbital neoplasms; Equinococcus granulosus; Echinococcosis; Zoonoses.

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