Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome

Autores
Velásquez, Jorge Néstor; Carnevale, Silvana; Mariano, Marta; Kuo, L H; Caballero, A; Chertcoff, Agustín; Ibáñez, Cecilia I.; Bozzini, Juan Pablo
Año de publicación
2001
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Fil: Velásquez, Jorge Néstor. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Parasitología; Argentina
Fil: Carnevale, Silvana. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Parasitología; Argentina
Fil: Mariano, Marta. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.
Fil: Kuo, Lien. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.
Fil: Caballero, A. Hospital General de Agudos Jose María Penna, Ciudad Autónoma de Buenos Aires; Argentina.
Fil: Chertcoff, Agustín. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.
Fil: Ibáñez, Cecilia I. Hospital General de Agudos Jose María Penna, Ciudad Autónoma de Buenos Aires; Argentina.
Fil: Bozzini, Juan Pablo. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.
Isospora belli, a coccidian parasite in humans, has been described as causing chronic diarrhea and acalculous cholecystitis in patients with the acquired immunodeficiency syndrome (AIDS). Diagnosis can be made at the tissue level in the epithelium of the small bowel and by fecal examination. Disseminated extraintestinal forms are uncommon. We studied 118 adult patients with AIDS and chronic diarrhea using stool analysis and endoscopy with duodenal biopsy specimen collection. These samples were processed by routine histology and transmission electron microscopy. Isosporosis was diagnosed in 8 cases. In 2 of them, unizoite tissue cysts were present in the lamina propria, with negative results in stool materials. The cysts were located within a large parasitophorous vacuole. There were no structural means of differentiating the species level of Isospora based on morphology using light or electron microscopy. We believe further work should be done to determine if unizoite tissue cysts are part of the cycle of I belli or of other species of Isospora that could be pathogenic in immunocompromised hosts.
Fuente
Human Pathology 2001;32(5):500-505
Materia
Quistes
Síndrome de Inmunodeficiencia Adquirida
Isosporiasis
Nivel de accesibilidad
acceso abierto
Condiciones de uso
none
Repositorio
Sistema de Gestión del Conocimiento ANLIS MALBRÁN
Institución
Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"
OAI Identificador
oai:sgc.anlis.gob.ar:Publications/123456789/1510

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network_name_str Sistema de Gestión del Conocimiento ANLIS MALBRÁN
spelling Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndromeVelásquez, Jorge NéstorCarnevale, SilvanaMariano, MartaKuo, L HCaballero, AChertcoff, AgustínIbáñez, Cecilia I.Bozzini, Juan PabloQuistesSíndrome de Inmunodeficiencia AdquiridaIsosporiasisFil: Velásquez, Jorge Néstor. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Parasitología; ArgentinaFil: Carnevale, Silvana. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Parasitología; ArgentinaFil: Mariano, Marta. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.Fil: Kuo, Lien. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.Fil: Caballero, A. Hospital General de Agudos Jose María Penna, Ciudad Autónoma de Buenos Aires; Argentina.Fil: Chertcoff, Agustín. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.Fil: Ibáñez, Cecilia I. Hospital General de Agudos Jose María Penna, Ciudad Autónoma de Buenos Aires; Argentina.Fil: Bozzini, Juan Pablo. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.Isospora belli, a coccidian parasite in humans, has been described as causing chronic diarrhea and acalculous cholecystitis in patients with the acquired immunodeficiency syndrome (AIDS). Diagnosis can be made at the tissue level in the epithelium of the small bowel and by fecal examination. Disseminated extraintestinal forms are uncommon. We studied 118 adult patients with AIDS and chronic diarrhea using stool analysis and endoscopy with duodenal biopsy specimen collection. These samples were processed by routine histology and transmission electron microscopy. Isosporosis was diagnosed in 8 cases. In 2 of them, unizoite tissue cysts were present in the lamina propria, with negative results in stool materials. The cysts were located within a large parasitophorous vacuole. There were no structural means of differentiating the species level of Isospora based on morphology using light or electron microscopy. We believe further work should be done to determine if unizoite tissue cysts are part of the cycle of I belli or of other species of Isospora that could be pathogenic in immunocompromised hosts.2001-05info:ar-repo/semantics/articuloinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdf0046-8177http://sgc.anlis.gob.ar/handle/123456789/151010.1053/hupa.2001.24326Human Pathology 2001;32(5):500-505reponame:Sistema de Gestión del Conocimiento ANLIS MALBRÁNinstname:Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"instacron:ANLISHuman pathologynoneinfo:eu-repo/semantics/openAccesseng2025-09-04T11:17:12Zoai:sgc.anlis.gob.ar:Publications/123456789/1510Institucionalhttp://sgc.anlis.gob.ar/Organismo científico-tecnológicoNo correspondehttp://sgc.anlis.gob.ar/oai/biblioteca@anlis.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:a2025-09-04 11:17:12.469Sistema de Gestión del Conocimiento ANLIS MALBRÁN - Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"false
dc.title.none.fl_str_mv Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome
title Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome
spellingShingle Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome
Velásquez, Jorge Néstor
Quistes
Síndrome de Inmunodeficiencia Adquirida
Isosporiasis
title_short Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome
title_full Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome
title_fullStr Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome
title_full_unstemmed Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome
title_sort Isosporosis and unizoite tissue cysts in patients with acquired immunodeficiency syndrome
dc.creator.none.fl_str_mv Velásquez, Jorge Néstor
Carnevale, Silvana
Mariano, Marta
Kuo, L H
Caballero, A
Chertcoff, Agustín
Ibáñez, Cecilia I.
Bozzini, Juan Pablo
author Velásquez, Jorge Néstor
author_facet Velásquez, Jorge Néstor
Carnevale, Silvana
Mariano, Marta
Kuo, L H
Caballero, A
Chertcoff, Agustín
Ibáñez, Cecilia I.
Bozzini, Juan Pablo
author_role author
author2 Carnevale, Silvana
Mariano, Marta
Kuo, L H
Caballero, A
Chertcoff, Agustín
Ibáñez, Cecilia I.
Bozzini, Juan Pablo
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Quistes
Síndrome de Inmunodeficiencia Adquirida
Isosporiasis
topic Quistes
Síndrome de Inmunodeficiencia Adquirida
Isosporiasis
dc.description.none.fl_txt_mv Fil: Velásquez, Jorge Néstor. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Parasitología; Argentina
Fil: Carnevale, Silvana. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Parasitología; Argentina
Fil: Mariano, Marta. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.
Fil: Kuo, Lien. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.
Fil: Caballero, A. Hospital General de Agudos Jose María Penna, Ciudad Autónoma de Buenos Aires; Argentina.
Fil: Chertcoff, Agustín. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.
Fil: Ibáñez, Cecilia I. Hospital General de Agudos Jose María Penna, Ciudad Autónoma de Buenos Aires; Argentina.
Fil: Bozzini, Juan Pablo. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Servicio de Microscopía Electrónica; Argentina.
Isospora belli, a coccidian parasite in humans, has been described as causing chronic diarrhea and acalculous cholecystitis in patients with the acquired immunodeficiency syndrome (AIDS). Diagnosis can be made at the tissue level in the epithelium of the small bowel and by fecal examination. Disseminated extraintestinal forms are uncommon. We studied 118 adult patients with AIDS and chronic diarrhea using stool analysis and endoscopy with duodenal biopsy specimen collection. These samples were processed by routine histology and transmission electron microscopy. Isosporosis was diagnosed in 8 cases. In 2 of them, unizoite tissue cysts were present in the lamina propria, with negative results in stool materials. The cysts were located within a large parasitophorous vacuole. There were no structural means of differentiating the species level of Isospora based on morphology using light or electron microscopy. We believe further work should be done to determine if unizoite tissue cysts are part of the cycle of I belli or of other species of Isospora that could be pathogenic in immunocompromised hosts.
description Fil: Velásquez, Jorge Néstor. ANLIS Dr.C.G.Malbrán. Instituto Nacional de Enfermedades Infecciosas. Departamento de Parasitología; Argentina
publishDate 2001
dc.date.none.fl_str_mv 2001-05
dc.type.none.fl_str_mv info:ar-repo/semantics/articulo
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv 0046-8177
http://sgc.anlis.gob.ar/handle/123456789/1510
10.1053/hupa.2001.24326
identifier_str_mv 0046-8177
10.1053/hupa.2001.24326
url http://sgc.anlis.gob.ar/handle/123456789/1510
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Human pathology
dc.rights.none.fl_str_mv none
info:eu-repo/semantics/openAccess
rights_invalid_str_mv none
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Human Pathology 2001;32(5):500-505
reponame:Sistema de Gestión del Conocimiento ANLIS MALBRÁN
instname:Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"
instacron:ANLIS
reponame_str Sistema de Gestión del Conocimiento ANLIS MALBRÁN
collection Sistema de Gestión del Conocimiento ANLIS MALBRÁN
instname_str Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"
instacron_str ANLIS
institution ANLIS
repository.name.fl_str_mv Sistema de Gestión del Conocimiento ANLIS MALBRÁN - Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"
repository.mail.fl_str_mv biblioteca@anlis.gov.ar
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