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Visceral Larva Migrans-Like Syndrome Caused by Angiostrongylus Costaricensis
Pedro Morera
Pedro Morera
Department of Pathology, San Juan de Dios Hospital, and Departments of Pediatrics, Surgery and Pathology, San Rafael Hospital, Alajuela, Costa Rica
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Francisco Perez
Francisco Perez
Department of Pathology, San Juan de Dios Hospital, and Departments of Pediatrics, Surgery and Pathology, San Rafael Hospital, Alajuela, Costa Rica
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Fernando Mora
Fernando Mora
Department of Pathology, San Juan de Dios Hospital, and Departments of Pediatrics, Surgery and Pathology, San Rafael Hospital, Alajuela, Costa Rica
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Luis Castro
Luis Castro
Department of Pathology, San Juan de Dios Hospital, and Departments of Pediatrics, Surgery and Pathology, San Rafael Hospital, Alajuela, Costa Rica
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In two cases of ectopic localization of Angiostrongylus costaricensis adult worms and eggs were seen in the liver, causing a granulomatous inflammatory reaction with dense eosinophilic infiltration and necrosis. In the first case, although antibodies for A. costaricensis had been demonstrated, a clinical diagnosis of visceral larva migrans was recorded; however, further examination of a liver biopsy revealed eggs of A. costaricensis. In the second case, severity of the intestinal pathology masked the presence of lesions and an adult A. costaricensis that were discovered in a retrospective study of the liver 13 years later. A close similarity between the visceral larva migrans syndrome and ectopic localization (liver) of A. costaricensis is established.
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