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Fetus in Fetu, a Two-case Presentation: Differential Diagnosis and Literature Review

Fetus in fetu, presentación de dos casos: diagnóstico diferencial y revisión de la literatura

dc.creatorLubinus, Federico
dc.creatorZuñiga-Hadechni, Evelin
dc.creatorLópez-Martínez, Luis Andrés
dc.creatorRueda-Hernández, César Andrés
dc.date2020-11-26
dc.date.accessioned2022-03-03T21:02:41Z
dc.date.available2022-03-03T21:02:41Z
dc.identifierhttps://revistas.unab.edu.co/index.php/medunab/article/view/3685
dc.identifier10.29375/01237047.3685
dc.identifier.urihttp://test.repositoriodigital.com:8080/handle/123456789/16483
dc.descriptionIntroduction. Fetus in fetu is a rare congenital condition that has been defined as the presence of one monozygotic twin, in most cases, in the sibling’s abdomen. It is most frequently present as a retroperitoneal mass. The diagnostic difference between fetus in fetu and teratoma is discussed. This work’s objective is to describe the case of two patients with fetus in fetu through a reduced literature review in terms of etiologic hypotheses and diagnostic methods. Case Reports. Two cases are presented. The first case is that of an infant with persistent abdominal distension, in whom an abdominal mass was found by palpating. The second case is that of a newborn baby with a prenatal abdominal mass diagnosis. Both cases present X-ray images that demonstrate an abdominal mass compatible with fetus in fetu, reason why the patients were subsequently surgically intervened to remove the mass. Discussion. It is important to keep this pathology in mind as a differential diagnosis of abdominal masses in infant patients, since being able to differentiate it from a mature teratoma would indicate that the mass is an embryonic development alteration, not a tumor pathology. Imaging methods and, in some cases, chromosome or histopathological analyses, are necessary for this, in order to clarify the diagnosis of fetus in fetu. Conclusion. Fetus in fetu is a rare pathology with few cases diagnoses prenatally. It is mainly diagnosed during infancy. X-ray images and, in some cases, chromosome or histopathological analyses, are greatly important for definitive diagnoses.en-US
dc.descriptionIntroducción. Fetus in fetu es una rara entidad congénita en la cual se presenta un gemelo monocigótico que en la mayoría de los casos está incorporado en el abdomen del hermano. La presentación más frecuente es una masa retroperitoneal. La diferenciación diagnóstica entre fetus in fetu y teratoma es discutida. El objetivo de este trabajo es describir el caso de dos pacientes con fetus in fetu, mediante una revisión reducida de la literatura en sus hipótesis etiológicas y métodos diagnósticos. Reporte de casos. Se presentan 2 casos, el primer caso es un lactante menor con distensión abdominal persistente, en quien se palpó masa abdominal. El segundo caso es un recién nacido con diagnóstico prenatal de masa abdominal. Ambos casos presentan imágenes radiológicas que evidencian masa abdominal compatible con fetus in fetu, razón por la cual posteriormente fueron intervenidos quirúrgicamente para resección de la masa. Discusión. Es importante tener presente esta patología como diagnóstico diferencial de masa abdominal en los pacientes infantes, ya que el poder diferenciarlo de un teratoma maduro nos indicaría que se trata de una alteración del desarrollo embriológico y no de una patología tumoral. Para esto, son necesarios métodos imagenológicos y en algunos casos pruebas cromosómicas o histopatológicas, con el fin de esclarecer el diagnóstico del fetus in fetu. Conclusión. El fetus in fetu es una patología rara con pocos casos diagnosticados prenatalmente, la cual se diagnostica principalmente en la infancia. Las imágenes radiológicas y en algunos casos las pruebas cromosómicas o histopatológicas, son de gran importancia para el diagnóstico definitivo.es-ES
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dc.publisherUNABes-ES
dc.relationhttps://revistas.unab.edu.co/index.php/medunab/article/view/3685/3354
dc.relationhttps://revistas.unab.edu.co/index.php/medunab/article/view/3685/3375
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dc.rightsDerechos de autor 2020 MedUNABes-ES
dc.rightshttps://creativecommons.org/licenses/by-nc/4.0es-ES
dc.sourceMedUNAB; Vol. 23 No. 3 (2020): december 2020 - march 2021: Depression, Urinary Tract Infections, Occupational Burnout; 464-470en-US
dc.sourceMedUNAB; Vol. 23 Núm. 3 (2020): diciembre 2020 - marzo 2021: Depresión, Infecciones Urinarias, Agotamiento Profesional; 464-470es-ES
dc.source2382-4603
dc.source0123-7047
dc.subjectFetus in fetuen-US
dc.subjectTeratomaen-US
dc.subjectX-raysen-US
dc.subjectTomographyen-US
dc.subjectX-Ray Computeden-US
dc.subjectMagnetic Resonance Imagingen-US
dc.subjectUltrasonographyen-US
dc.subjectFetus in fetues-ES
dc.subjectTeratoma maduroes-ES
dc.subjectRayos Xes-ES
dc.subjectTomografía axial computarizada por Rayos Xes-ES
dc.subjectImagen por Resonancia Magnética,es-ES
dc.subjectUltrasonografíaes-ES
dc.titleFetus in Fetu, a Two-case Presentation: Differential Diagnosis and Literature Reviewen-US
dc.titleFetus in fetu, presentación de dos casos: diagnóstico diferencial y revisión de la literaturaes-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion


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