Unusual findings in diarrheal disease: Detection of a microscopic entity of unclear significance

A 70-year-old woman presented with abdominal pain and diarrhea, with negative stool tests for common pathogens. Microscopy revealed a unique round structure with hyaline pseudopod-like extensions and a double membrane. While literature suggests a potential link to Urbanorum, a debated entity first r...

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Main Authors: J. Zintgraff, M. Peña, V. Di Matteo, R. Astesana, A. Fernández Garcés, G. Astudillo
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:IDCases
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Online Access:http://www.sciencedirect.com/science/article/pii/S2214250925000447
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author J. Zintgraff
M. Peña
V. Di Matteo
R. Astesana
A. Fernández Garcés
G. Astudillo
author_facet J. Zintgraff
M. Peña
V. Di Matteo
R. Astesana
A. Fernández Garcés
G. Astudillo
author_sort J. Zintgraff
collection DOAJ
description A 70-year-old woman presented with abdominal pain and diarrhea, with negative stool tests for common pathogens. Microscopy revealed a unique round structure with hyaline pseudopod-like extensions and a double membrane. While literature suggests a potential link to Urbanorum, a debated entity first reported in the 1990s, its classification remains uncertain. This case highlights the importance of rigorous methodologies to establish the clinical significance of such findings.
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issn 2214-2509
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publishDate 2025-01-01
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series IDCases
spelling doaj-art-88e6e28b070b471bab145cd5a32bb1a52025-08-20T02:52:58ZengElsevierIDCases2214-25092025-01-0139e0218910.1016/j.idcr.2025.e02189Unusual findings in diarrheal disease: Detection of a microscopic entity of unclear significanceJ. Zintgraff0M. Peña1V. Di Matteo2R. Astesana3A. Fernández Garcés4G. Astudillo5Laboratorio de Microbiología, Clínica AMEBPBA, Ciudad Autónoma de Buenos Aires, Argentina; Servicio Bacteriología Clínica, Departamento de Bacteriología, Instituto Nacional de Enfermedades Infecciosas (INEI), ANLIS Dr. Carlos G. Malbrán, Ciudad Autónoma de Buenos Aires, Argentina; Corresponding author at: Laboratorio de Microbiología, Clínica AMEBPBA, Ciudad Autónoma de Buenos Aires, Argentina.Laboratorio de Microbiología, Clínica AMEBPBA, Ciudad Autónoma de Buenos Aires, ArgentinaLaboratorio de Microbiología, Clínica AMEBPBA, Ciudad Autónoma de Buenos Aires, ArgentinaLaboratorio, Clínica AMEBPBA, Ciudad Autónoma de Buenos Aires, ArgentinaServicio de Infectología, Clínica AMEBPBA, Ciudad Autónoma de Buenos Aires, ArgentinaServicio de Parasitología Sanitaria, Departamento de Parasitología, Instituto Nacional de Enfermedades Infecciosas (INEI), ANLIS Dr. Carlos G. Malbrán, Ciudad Autónoma de Buenos Aires, ArgentinaA 70-year-old woman presented with abdominal pain and diarrhea, with negative stool tests for common pathogens. Microscopy revealed a unique round structure with hyaline pseudopod-like extensions and a double membrane. While literature suggests a potential link to Urbanorum, a debated entity first reported in the 1990s, its classification remains uncertain. This case highlights the importance of rigorous methodologies to establish the clinical significance of such findings.http://www.sciencedirect.com/science/article/pii/S2214250925000447Clinical microbiologyParasitologyDiarrheal diseaseAmeboid-like structure
spellingShingle J. Zintgraff
M. Peña
V. Di Matteo
R. Astesana
A. Fernández Garcés
G. Astudillo
Unusual findings in diarrheal disease: Detection of a microscopic entity of unclear significance
IDCases
Clinical microbiology
Parasitology
Diarrheal disease
Ameboid-like structure
title Unusual findings in diarrheal disease: Detection of a microscopic entity of unclear significance
title_full Unusual findings in diarrheal disease: Detection of a microscopic entity of unclear significance
title_fullStr Unusual findings in diarrheal disease: Detection of a microscopic entity of unclear significance
title_full_unstemmed Unusual findings in diarrheal disease: Detection of a microscopic entity of unclear significance
title_short Unusual findings in diarrheal disease: Detection of a microscopic entity of unclear significance
title_sort unusual findings in diarrheal disease detection of a microscopic entity of unclear significance
topic Clinical microbiology
Parasitology
Diarrheal disease
Ameboid-like structure
url http://www.sciencedirect.com/science/article/pii/S2214250925000447
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