Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case report
Introduction Echinococcosis or hydatidosis, a zoonotic parasitic disease that affects humans by accident due to ingestion of larval stages of cestodes of the genus Echinococcus, humans are an intermediate host, the parasite does not develop into an adult stage but usually produces cysts in the liver...
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2025
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| Online Access: | https://revistadigital.uce.edu.ec/index.php/CIENCIAS_MEDICAS/article/view/7272 |
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| author | Guevara, Angel |
| author_facet | Guevara, Angel |
| author_role | author |
| collection | Revista Ciencias Médicas |
| dc.creator.none.fl_str_mv | Guevara, Angel |
| dc.date.none.fl_str_mv | 2025-09-30 |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | https://revistadigital.uce.edu.ec/index.php/CIENCIAS_MEDICAS/article/view/7272 10.29166/rfcmq.v50i3.7272 |
| dc.language.none.fl_str_mv | spa |
| dc.publisher.none.fl_str_mv | Quito: Universidad Central del Ecuador |
| dc.relation.none.fl_str_mv | https://revistadigital.uce.edu.ec/index.php/CIENCIAS_MEDICAS/article/view/7272/10833 |
| dc.rights.none.fl_str_mv | Derechos de autor 2025 Angel Guevara http://creativecommons.org/licenses/by-nc-nd/4.0 info:eu-repo/semantics/openAccess |
| dc.source.none.fl_str_mv | Revista de la Facultad de Ciencias Médicas (Quito); Vol. 50 No. 3 (2025): Revista de la Facultad de Ciencias Médicas (Quito) Revista de la Facultad de Ciencias Médicas (Quito); Vol. 50 Núm. 3 (2025): Revista de la Facultad de Ciencias Médicas (Quito) 2737-6141 2588-0691 10.29166/rfcmq.v50i3 reponame:Revista Ciencias Médicas instname:Universidad Central del Ecuador instacron:UCE |
| dc.subject.none.fl_str_mv | hidatidosis quiste hidatídico equinococosis Ecuador hydatidosis hydatid cyst echinococcosis Ecuador |
| dc.title.none.fl_str_mv | Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case report Herramientas moleculares en la identificación de Echinococcus spp, en quiste hidatídico hepático. Reporte de caso |
| dc.type.none.fl_str_mv | info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo evaluado por pares |
| description | Introduction Echinococcosis or hydatidosis, a zoonotic parasitic disease that affects humans by accident due to ingestion of larval stages of cestodes of the genus Echinococcus, humans are an intermediate host, the parasite does not develop into an adult stage but usually produces cysts in the liver or other organs. Echinococcosis is considered as neglected tropical disease with a cosmopolitan distribution. In humans, it does not present specific symptoms and the diagnosis is based on imaging studies by ultrasound or computed tomography. Parasitological and/or serological diagnosis are also a diagnostic option. Molecular techniques can help for a specific diagnosis of the infection. Objective To describe a clinical case of hepatic hydatid cyst in an Ecuadorian patient highlighting the usefulness of molecular tools to identify Echinococcus spp. Case report A 37-year-old Ecuadorian patient from San Antonio de Pichincha was admitted to the Hospital General Docente de Calderón with nonspecific symptoms: abdominal pain in the epigastrium and right hypochondrium and general malaise. Computed Tomography of the abdomen showed lesions suggestive of liver abscesses, drainage was performed and the analysis revealed larval forms of Echinococcus spp., which were confirmed as Echinococcus granulosus by 18S rDNA sequencing. Discussion and conclusions Human hydatidosis is a parasitic entity that may be common in Ecuador. This report demonstrates that molecular techniques together with imaging techniques are useful for the specific diagnosis of hydatidosis. In Ecuador, health education campaigns are required for the prevention, diagnosis, treatment and control of Echinococcosis. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | REVCMED_fb6b8a0754cd97cd67d4d2ba14f225ee |
| identifier_str_mv | 10.29166/rfcmq.v50i3.7272 |
| instacron_str | UCE |
| institution | UCE |
| instname_str | Universidad Central del Ecuador |
| language | spa |
| network_acronym_str | REVCMED |
| network_name_str | Revista Ciencias Médicas |
| oai_identifier_str | oai:revistadigital.uce.edu.ec:article/7272 |
| publishDate | 2025 |
| publisher.none.fl_str_mv | Quito: Universidad Central del Ecuador |
| reponame_str | Revista Ciencias Médicas |
| repository.mail.fl_str_mv | * |
| repository.name.fl_str_mv | Revista Ciencias Médicas - Universidad Central del Ecuador |
| repository_id_str | * |
| rights_invalid_str_mv | Derechos de autor 2025 Angel Guevara http://creativecommons.org/licenses/by-nc-nd/4.0 |
| spelling | Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case reportHerramientas moleculares en la identificación de Echinococcus spp, en quiste hidatídico hepático. Reporte de casoGuevara, Angelhidatidosisquiste hidatídicoequinococosisEcuadorhydatidosishydatid cystechinococcosisEcuadorIntroduction Echinococcosis or hydatidosis, a zoonotic parasitic disease that affects humans by accident due to ingestion of larval stages of cestodes of the genus Echinococcus, humans are an intermediate host, the parasite does not develop into an adult stage but usually produces cysts in the liver or other organs. Echinococcosis is considered as neglected tropical disease with a cosmopolitan distribution. In humans, it does not present specific symptoms and the diagnosis is based on imaging studies by ultrasound or computed tomography. Parasitological and/or serological diagnosis are also a diagnostic option. Molecular techniques can help for a specific diagnosis of the infection. Objective To describe a clinical case of hepatic hydatid cyst in an Ecuadorian patient highlighting the usefulness of molecular tools to identify Echinococcus spp. Case report A 37-year-old Ecuadorian patient from San Antonio de Pichincha was admitted to the Hospital General Docente de Calderón with nonspecific symptoms: abdominal pain in the epigastrium and right hypochondrium and general malaise. Computed Tomography of the abdomen showed lesions suggestive of liver abscesses, drainage was performed and the analysis revealed larval forms of Echinococcus spp., which were confirmed as Echinococcus granulosus by 18S rDNA sequencing. Discussion and conclusions Human hydatidosis is a parasitic entity that may be common in Ecuador. This report demonstrates that molecular techniques together with imaging techniques are useful for the specific diagnosis of hydatidosis. In Ecuador, health education campaigns are required for the prevention, diagnosis, treatment and control of Echinococcosis.La Equinococosis o hidatidosis es una enfermedad parasitaria zoonótica que afecta al hombre por la ingestión accidental de fases larvarias de cestodos del género Echinococcus. El humano es huésped intermediario, por lo tanto el parásito no se desarrolla a fase adulta, pero suelen producir quistes en el hígado u otros órganos. La Equinococosis es una enfermedad tropical olvidada, de distribución cosmopolita. En humanos no presenta síntomas específicos. El diagnóstico se basa en estudios de imagen por ultrasonido o por tomografía axial computarizada, aunque el diagnóstico parasitológico y/o serológico también son opción diagnóstica. Las técnicas moleculares pueden ayudar para un diagnóstico específico de la infección. Objetivo Describir un caso clínico de quiste hidatídico hepático en un paciente de Ecuador, resaltando la utilidad de las herramientas moleculares en la identificación de Echinococcus spp. Presentación del caso Paciente ecuatoriana, 37 años, originaria de San Antonio de Pichincha, acude a un hospital público de Quito con sintomatología inespecífica: dolor abdominal a nivel de epigastrio e hipocondrio derecho y malestar general. La Tomografía Axial Computarizada de abdomen evidencia lesiones sugestivas de abscesos hepáticos, se realiza drenaje y el análisis revela formas larvarias de Echinococcus spp que se confirma como Echinococcus granulosus mediante secuenciación de la región 18S rADN. Discusión y conclusiones La hidatidosis humana es una entidad parasitaria que puede ser común en el Ecuador. En el presente reporte se demuestra que las técnicas moleculares junto a técnicas de imagen son útiles para el diagnóstico específico de hidatidosis. Se requieren campañas de educación para prevención, diagnóstico, tratamiento y control de Equinococosis en Ecuador.Quito: Universidad Central del Ecuador2025-09-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArtículo evaluado por paresapplication/pdfhttps://revistadigital.uce.edu.ec/index.php/CIENCIAS_MEDICAS/article/view/727210.29166/rfcmq.v50i3.7272Revista de la Facultad de Ciencias Médicas (Quito); Vol. 50 No. 3 (2025): Revista de la Facultad de Ciencias Médicas (Quito)Revista de la Facultad de Ciencias Médicas (Quito); Vol. 50 Núm. 3 (2025): Revista de la Facultad de Ciencias Médicas (Quito)2737-61412588-069110.29166/rfcmq.v50i3reponame:Revista Ciencias Médicasinstname:Universidad Central del Ecuadorinstacron:UCEspahttps://revistadigital.uce.edu.ec/index.php/CIENCIAS_MEDICAS/article/view/7272/10833Derechos de autor 2025 Angel Guevarahttp://creativecommons.org/licenses/by-nc-nd/4.0info:eu-repo/semantics/openAccess2025-09-30T23:27:33Zoai:revistadigital.uce.edu.ec:article/7272Portal de revistashttps://revistadigital.uce.edu.ec/Universidad públicahttps://uce.edu.ec/**Ecuador*2737-61412588-0691opendoar:*2025-09-30T23:27:33Revista Ciencias Médicas - Universidad Central del Ecuadorfalse |
| spellingShingle | Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case report Guevara, Angel hidatidosis quiste hidatídico equinococosis Ecuador hydatidosis hydatid cyst echinococcosis Ecuador |
| status_str | publishedVersion |
| title | Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case report |
| title_full | Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case report |
| title_fullStr | Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case report |
| title_full_unstemmed | Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case report |
| title_short | Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case report |
| title_sort | Molecular tools in the identification of Echinococcus spp. in hepatic hydatid cyst. Case report |
| topic | hidatidosis quiste hidatídico equinococosis Ecuador hydatidosis hydatid cyst echinococcosis Ecuador |
| url | https://revistadigital.uce.edu.ec/index.php/CIENCIAS_MEDICAS/article/view/7272 |