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
- Institución
- Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"
- OAI Identificador
- oai:sgc.anlis.gob.ar:123456789/1510
Ver los metadatos del registro completo
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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: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 11:17:12.466Sistema 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 |
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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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12.623145 |