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Memorias del Instituto de Investigaciones en Ciencias de la Salud (Mem. Inst. Investig. Cienc. Salud) is the official publication of the Institute of Research in Health Sciences (IICS) of the National University of Asunción (UNA), Paraguay. It publishes original scientific contributions in clinical medicine, biomedical research, microbiology, molecular biology, dentistry, nursing, nutrition, public health, health biotechnology, genetics, biochemistry, and related disciplines. Founded in 1983, the journal adopted its current name in 2002 and has been published exclusively online since 2015, incorporating XML article dissemination as of 2024. Since 2023, it operates under a continuous publication model. The journal accepts manuscripts in Spanish and English as original research articles, reviews, case studies, and brief communications. All content is available in open access, free of charge for authors and readers, under the Creative Commons Attribution 4.0 International License, in accordance with the Budapest Open Access Initiative (BOAI). It is indexed in BVS, SciELO Paraguay, HINARI, LILACS, DOAJ, Latindex, MIAR, Dialnet, CiteFactor, Google Scholar, LivRe, BASE, EBSCO, and Web of Science – SciELO Citation Index. The journal is funded by IICS-UNA, supports the OAI-PMH protocol for metadata harvesting, and uses the LOCKSS system for digital preservation of its contents.

 
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The Institute of Research in Health Sciences (IICS) of the National University of Asunción (UNA) invites researchers, academics, and health professionals to submit their manuscripts for consideration in the 2026 Volume of Memorias del Instituto de Investigaciones en Ciencias de la Salud (Mem. Inst. Investig. Cienc. Salud). The journal accepts original and unpublished contributions in Spanish as original research articles, review articles, case studies, and brief communications, in the areas of clinical medicine, biomedical research, microbiology, molecular biology, dentistry, nursing, nutrition, public health, health biotechnology, genetics, biochemistry, and related disciplines. The call for submissions is open and ongoing, and manuscripts may be submitted at any time of the year through the journal's online submission system. All received manuscripts undergo double-blind peer review. The journal is open access, with no charges for authors or readers. For further information on submission guidelines, please refer to the author instructions available on the journal's website.

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Litiasis por cistina: Reporte de un caso

Authors

  • Rosa Guillén Author
  • Patricia Funes Author
  • Irene Ruíz Author
  • C Duarte Author
  • B Mereles Author

Keywords:

litiasis, cistina

Abstract

La cistinuria es una enfermedad genética cuya expresión clínica es la formación de cálculos en las vías urinarias. Si bien este tipo de litiasis es poco frecuente se caracteriza por un elevado número de recidivas. En este trabajo, presentamos el caso de una paciente de 24 años con litiasis por cistina, en la que el diagnóstico se logró mediante el hallazgo de cristales de cistina en muestras de orina y la presencia de cistina como único componente de los cálculos expulsados espontáneamente en dos ocasiones y removidos por nefrolitotomía percutánea en una ocasión en un lapso de 6 meses. El tratamiento instaurado consistió en aumento de la ingesta de líquido, dieta con restricción de sodio y proteínas y administración de agentes alcalinizantes para aumentar el pH de la orina. Así mismo queremos mostrar la disponibilidad y el uso a nivel nacional de técnicas laboratoriales especializadas para el diagnóstico y seguimiento de pacientes con cistinuria.

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References

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Font-Llitjós M, Jiménez-Vidal M, Bisceglia L, Di Perna M, de Sanctis L, Rousaud F, et al. New insights into cystinuria: 40 new mutations, genotype-phenotype correlation, and digenic inheritance causing partial phenotype. J Med Genet. 2005;42(1):58-68.

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García JL, Vázquez M, Baeza J, García P. Litiasis coraliforme en cistinuria: Eficacia del tratamiento conservaddor. Nefrología. 1994; XIV (2):224-8.

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Daudon M, Cohen-Solal F, Barbey F, Gagnadoux M-F, Knebelmann B, Jungers P. Cystine crystal volume determination: a useful tool in the management of cystinuric patients. Urol Res. 2003; 31(3):207-11.

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Published

2014-06-01

Issue

Section

Case report

How to Cite

Guillén, R., Funes, P., Ruíz, I., Duarte, C., & Mereles, B. (2014). Litiasis por cistina: Reporte de un caso. Memorias Del Instituto De Investigaciones En Ciencias De La Salud, 12(1). https://revistascientificas.una.py/index.php/RIIC/article/view/1773