32 results on '"Meléndez, Esperanza"'
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2. Epidemiologic features and burden of atopic dermatitis in adolescent and adult patients: A cross-sectional multicenter study
- Author
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Hernandez, Natalia, Sanclemente, Gloria, Chaparro, Daniela, López, Ángela, Cortes, Andrés, Seidel, Ángela, Ortiz, Clara Inés, Arenas, Claudia, Meléndez, Esperanza, Amador, Julio, Tamayo, Liliana, Colmenares, Lina, Guzmán, María Claudia, Torres, María Claudia, Tavera, Mariela, Torres, Mauricio, Vargas, Miriam, Novoa, Mónica, Rivera, Mónica, Vélez, Natalia, Mora, Oscar, Medina, Oscar, Cárdenas, Paola, and Lopez, Angela
- Published
- 2021
- Full Text
- View/download PDF
3. Hidradenitis supurativa, una actualización. Parte II: diagnóstico, clasificación y tratamiento.
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Guillermo Pabón, Juan, Flaminio Rojas, Ricardo, Barona, María Isabel, Orozco, Beatriz, Meléndez, Esperanza, Beatriz Jiménez, Sol, Motta, Adriana, Johana Rueda, Lili, González, Claudia, Ibagón, Viviana, Vallejo, Jessica, Armand, Beatriz, Avellaneda, María del Pilar, Bendek, Edwin, Montealegre, Carlos, Velásquez, Natalia, Quiroz, Lina, Uribe, Claudia, Lotero, Cristina, and Espinosa, Diego
- Subjects
HIDRADENITIS suppurativa ,QUALITY of life ,ULTRASONIC imaging ,IMMUNE response ,DIAGNOSIS - Abstract
Copyright of Revista de la Asociación Colombiana de Dermatología y Cirugía Dermatológica is the property of Asociacion Colombiana de Dermatologia y Cirugia Dermatologica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
- Full Text
- View/download PDF
4. Hidradenitis supurativa, una actualización. Parte I: epidemiología, factores de riesgo y fisiopatología.
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Pabón, Juan Guillermo, Rojas, Ricardo Flaminio, Barona, María Isabel, Orozco, Beatriz, Meléndez, Esperanza, Motta, Adriana, Rueda, Lili Johana, Rueda, Ricardo, Balcázar, Luis Fernando, Arias, David, Castro, Doralda, Cruz, Adriana Raquel, Quiroz, Nathalie, Varga, Natalia, Luna, Johana, Montoya, Natalia, Ramírez, Martha Susana, Reyes, Evy Leinad, Bermúdez, Jorge Luis, and Ríos, Xiomara
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HIDRADENITIS suppurativa ,DISEASE prevalence ,EPIDEMIOLOGY ,PATHOGENESIS ,QUALITY of life ,IMMUNE response - Abstract
Copyright of Revista de la Asociación Colombiana de Dermatología y Cirugía Dermatológica is the property of Asociacion Colombiana de Dermatologia y Cirugia Dermatologica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2024
- Full Text
- View/download PDF
5. Colestasis intrahepática por Treponema pallidum en paciente inmunocompetente
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Orozco-Sebá, Beatriz E., primary, Viasus, Diego, additional, Meléndez, Esperanza, additional, Fuentes, Jairo, additional, Tovar, José, additional, Amado, Elkin A., additional, and Loaiza, Daniela, additional
- Published
- 2023
- Full Text
- View/download PDF
6. Eritema indurado de Bazin
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Ordóñez, Karina Nataly, Sepúlveda, Alan David, Arzuaga, Angelo Geovanni, Katime, Abraham Enrique, and Meléndez, Esperanza
- Published
- 2018
7. ¿Reconoce esta clave diagnóstica?
- Author
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Orozco-Sebá, Beatriz, primary, Marchán-Cárdenas, Juan Camilo, additional, Meléndez, Esperanza, additional, and Montagut, Alonso Joseph, additional
- Published
- 2022
- Full Text
- View/download PDF
8. Úlcera de Lipschütz
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Orozco-Sebá, Beatriz, primary, Marchán-Cárdenas, Juan Camilo, additional, Meléndez, Esperanza, additional, and Montagut, Alonso Joseph, additional
- Published
- 2022
- Full Text
- View/download PDF
9. Epidemiologic features and burden of atopic dermatitis in adolescent and adult patients: A cross-sectional multicenter study
- Author
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Sanclemente, Gloria, primary, Hernandez, Natalia, additional, Chaparro, Daniela, additional, Tamayo, Liliana, additional, Lopez, Angela, additional, Sanclemente, Gloria, additional, López, Ángela, additional, Cortes, Andrés, additional, Seidel, Ángela, additional, Ortiz, Clara Inés, additional, Arenas, Claudia, additional, Meléndez, Esperanza, additional, Amador, Julio, additional, Colmenares, Lina, additional, Guzmán, María Claudia, additional, Torres, María Claudia, additional, Tavera, Mariela, additional, Torres, Mauricio, additional, Vargas, Miriam, additional, Novoa, Mónica, additional, Rivera, Mónica, additional, Vélez, Natalia, additional, Mora, Oscar, additional, Medina, Oscar, additional, and Cárdenas, Paola, additional
- Published
- 2021
- Full Text
- View/download PDF
10. Atopic dermatitis in the COVID-19 era: Results from a web-based survey
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Hernandez, Natalia, Sanclemente, Gloria, Chaparro, Daniela, López, Ángela, Cortes, Andrés, Seidel, Ángela, Ortiz, Clara Inés, Arenas, Claudia, Meléndez, Esperanza, Amador, Julio, Tamayo, Liliana, Colmenares, Lina, Guzmán, María Claudia, Torres, María Claudia, Tavera, Mariela, Torres, Mauricio, Vargas, Miriam, Novoa, Mónica, Rivera, Mónica, Vélez, Natalia, Mora, Oscar, Medina, Oscar, Cárdenas, Paola, Hernández, Natalia, and Seidel, Angela
- Published
- 2021
- Full Text
- View/download PDF
11. Leprosy in the Colombian island of Providencia
- Author
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Fuentes, Jairo, Jiménez, Juliana, Urueta, Gustavo, Fadul, Santiago, Meléndez, Esperanza, Guerrero, Martha Inírida, and Rodríguez, Gerzaín
- Subjects
polymerase chain reaction ,lepra multibacilar ,transmisión de enfermedad infecciosa ,lepra/transmisión ,Leprosy, multibacillary ,reacción en cadena de la polimerasa ,leprosy/transmission ,disease transmission, infectious - Abstract
Resumen San Andrés y Providencia son islas colombianas en el mar de las Antillas. San Andrés tiene 68.283 habitantes y allí se han registrado casos de lepra en inmigrantes provenientes del interior colombiano. Providencia tiene 5.037 habitantes e, históricamente, los programas de salud no tenían registros de la enfermedad; no obstante, en el 2009 se confirmaron dos casos de lepra multibacilar histioide y, posteriormente, otros dos, lo cual representa una prevalencia de 8 casos por 10.000 habitantes y la convierte en un sitio hiperendémico para lepra. Inicialmente, se diagnosticó lepra histioide en una niña de 14 años y, durante su estudio, se encontró la misma forma clínica de la enfermedad en su padre. Recientemente, se detectó lepra multibacilar en otro miembro de la misma familia y, lepra indeterminada, en una niña de otro núcleo familiar. El objetivo de este trabajo fue presentar estos casos clínicos ante la comunidad científica y los entes de salud pública, y llamar la atención de las autoridades de salud sobre la necesidad de establecer programas de vigilancia epidemiológica continua en la isla, incorporando las nuevas herramientas disponibles en el Programa de Control de la Lepra. Abstract San Andrés and Providencia are Colombian islands in the Caribbean Sea. San Andrés has 68,283 inhabitants and has registered cases of leprosy in immigrants from continental Colombia. Providencia has 5,037 inhabitants and historically health programs did not have records of the disease, but in 2009 two cases of multibacillary histoid leprosy were confirmed and, subsequently, another two, which represents a prevalence of 8 cases per 10,000 inhabitants and places the island as a hyperendemic site for leprosy. Initially, a 14-year-old girl with histoid leprosy was diagnosed and, exploring this case, her father was diagnosed with the same clinical form of leprosy. Recently, a new intrafamilial patient with multibacillary leprosy and an extrafamilial case of a girl with undetermined leprosy were detected. The objective of this study was to present to the scientific community and the public health officers these clinical cases and to draw the attention of the sanitary authorities on the necessity of establishing continuous programs of leprosy epidemiological surveillance on the island using the new tools available in the Programa de Control de la Lepra (Leprosy Control Program).
- Published
- 2020
12. Lepra en la isla colombiana de Providencia
- Author
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Fuentes, Jairo, primary, Jiménez, Juliana, additional, Urueta, Gustavo, additional, Fadul, Santiago, additional, Meléndez, Esperanza, additional, Guerrero, Martha Inírida, additional, and Rodríguez, Gerzaín, additional
- Published
- 2020
- Full Text
- View/download PDF
13. Rosácea: actualización
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Barona, María Isabel, Orozco, Beatriz, Motta Beltrán, Adriana, Meléndez, Esperanza, Rojas, Ricardo Flaminio, Pabón, Juan Guillermo, Balcázar, Luis Fernando, Grupo Colombiano de Estudio de Acné y Rosácea, Motta, Adriana [0000-0002-1924-1256], and Motta Beltrán, Adriana [0000-0002-1924-1256]
- Subjects
Enfermedades -- Investigaciones ,Dermatología ,Dermatology ,Rosácea - Published
- 2015
14. Eritema indurado de Bazin
- Author
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Ordóñez García, Karina Nataly, primary, Sepúlveda Molina, Alan David, additional, Arzuaga Hernández, Ángelo Geovanni, additional, Katime Zúñiga, Abraham Enrique, additional, and Meléndez, Esperanza, additional
- Published
- 2019
- Full Text
- View/download PDF
15. Úlcera de Lipschütz.
- Author
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Orozco-Sebá, Beatriz, Camilo Marchán-Cárdenas, Juan, Meléndez, Esperanza, and Joseph Montagut, Alonso
- Abstract
Copyright of Revista de la Asociación Colombiana de Dermatología y Cirugía Dermatológica is the property of Asociacion Colombiana de Dermatologia y Cirugia Dermatologica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2021
- Full Text
- View/download PDF
16. Lepra en la isla colombiana de Providencia.
- Author
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Fuentes, Jairo, Jiménez, Juliana, Urueta, Gustavo, Fadul, Santiago, Meléndez, Esperanza, Inírida Guerrero, Martha, and Rodríguez, Gerzaín
- Abstract
Copyright of Revista Biomedica is the property of Centro de Investigaciones Regionales Dr. Hideyo Noguchi; Facultad de Medicina, UADY and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2020
17. Epidemiology of rosacea in Colombia
- Author
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Rueda, Lili J., primary, Motta, Adriana, additional, Pabón, Juan G., additional, Barona, Maria I., additional, Meléndez, Esperanza, additional, Orozco, Beatriz, additional, and Rojas, Ricardo F., additional
- Published
- 2017
- Full Text
- View/download PDF
18. Lepra Conyugal
- Author
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Meléndez, Esperanza, Fuentes, Jairo, and Rodríguez, Gerzaín
- Subjects
Lepra ,transmission ,transmisión ,Costa Caribe ,Colombia ,leprosy ,Caribbean Coast - Abstract
Objetivos Determinar la ocurrencia de lepra entre cónyuges y precisar las características de la enfermedad en el caso índice y en el secundario. Métodos Estudiamos sus características en una zona de la Costa Caribe colombiana (Departamento del Atlántico), durante 1980-2000, a través de la revisión de las historias clínicas del Programa Control de Lepra, del examen clínico y de entrevistas con los afectados. Resultados Encontramos 26 parejas con lepra conyugal, que representan el 5,4 % de los casos diagnosticados durante el periodo, con edades entre 20 y 89 años. El 65,4 % de los casos índices fueron hombres y 22 (84,6 %) lepromatosos; dos tenían lepra indeterminada y dos tuberculoide. Los casos secundarios fueron tuberculoides en su mayoría (42,3 %) y, en conjunto, 61 % paucibacilares. Ningún caso índice paucibacilar se asoció con lepra multibacilar en el cónyuge. Sólo dos parejas tenían consanguinidad. Ninguno de los cónyuges llegó enfermo al matrimonio y su convivencia entre la aparición de la enfermedad en el caso índice y el secundario, varió entre 5 y 40 años. La convivencia de los cónyuges varió entre 5 y 44 años. Las discapacidades se presentaron con mayor frecuencia en los pies y fueron más graves en los casos índices lepromatosos, con enfermedad de larga evolución, que en los secundarios, porque éstos fueron paucibacilares con mayor frecuencia y se detectaron cuando su enfermedad tenía menor tiempo de evolución. Conclusiones La lepra conyugal es poco frecuente, requiere varios años de convivencia para presentarse en el segundo cónyuge y es más común cuando el caso primario es lepromatoso. Cuando un cónyuge es paucibacilar su pareja no desarrollara lepra multibacilar. Objectives Determining the occurrence of leprosy amongst couples and establishing the type of leprosy in index and secondary cases. Methods The characteristics of leprosy were studied between 1980 and 2000 in Atlántico Department located on the Colombian Caribbean Coast. Clinical histories of patients registered in the Leprosy Control Programme were reviewed. Clinical exams were performed and personal interviews carried out with couples suffering from leprosy. Results Twenty-six married couples were found to be suffering from leprosy, representing 5,4 % of leprosy cases detected during the study period. They were aged from 20 to 89. 65,4 % of the index cases were men and 22 (84,6 %) were multibacillary, lepromatous cases; two had indeterminate leprosy and two were suffering from tuberculoid leprosy. Sixty-one percent of the secondary cases were paucibacillary patients, 42 % of them being tuberculoid. No paucibacillary cases were associated with multibacillary leprosy in the couples. Only two couples had consanguinity. None of the couples had had leprosy at the time of being married. The time between leprosy being detected in index cases and the disease being detected in secondary patients varied from 5 to 40 years. Disabilities were more common in the feet and to a higher degree in lepromatous index cases who had had the disease for a longer time than the secondary cases because these were more frequently paucibacillary patients who had a disease having shorter evolution. Conclusions In spite of ongoing, prolonged contact, conjugal leprosy is not frequent and requires several years to develop in the second person. Lepromatous leprosy in index cases was more frequently associated with leprosy in the couple. When the primary case was paucibacillary, no multibacillary leprosy occurred in the secondary case.
- Published
- 2006
19. Conidiobolomicosis: hallazgos histopatológicos
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Pérez, Jesús A, Correa, Álvaro, Fuentes, Jairo, and Meléndez, Esperanza
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Conidiobolus coronatus ,rinoentomoftoromicosis ,entomophthoromycosis ,conibiolomycosis ,zygomycosis ,subcutaneous mycoses ,rhinoentomophthoromycosis ,conidiobolomicosis ,micosis subcutáneas ,cigomicosis ,entomoftoromicosis - Abstract
La conidiobolomicosis es una micosis subcutánea que se localiza generalmente en la línea media facial; es causada por un hongo saprófito de suelos y vegetales secos, propio de regiones intertropicales, que afecta principalmente a hombres adultos. El agente etiológico C onidiobolus coronatus pertenece a la clase de los Zigomicetos, orden Entomoftorales; se caracteriza por hifas cortas y gruesas, generalmente aseptadas, que crece entre 30°C y 37°C y produce granulomas nasales. Se informan a continuación los hallazgos histológicos de un caso de conidiobolomicosis en un paciente de 31 años de raza negra, natural y procedente de la región de Urabá, quien presentaba deformidad mediofacial con edema de nariz, labio superior e imágenes polipoides en senos maxilares con destrucción del tabique nasal. La biopsia demostró inflamación granulomatosa necrosante difusa en la dermis profunda e hipodermis asociada con eosinófilos y fenómeno de Splendore-Hoeppli, en cuya zona central se ubicaban espacios aparentemente vacíos que contenían el hongo que no se tiñó con HE, pero que sí lo hizo con las coloraciones de PAS y Grocott lo cual permitió la observación de hifas de paredes gruesas y rígidas, con torsión central y extremos cónicos. Conidiobolomycosis is a subcutaneous mycosis of the facial midline affecting primarily adult males. It is caused by the saprophytic fungus, Conodiobolus coronatus, present in soils and dried vegetables, characteristic of intertropical regions. C. coronatus belongs to the class Zygomycetes, order Entomophthorales; it is a fungus composed of thick, short hyphae that grows at temperatures between 30°C and 37°C and causes nasal granulomas. The histologic findings are described of a case of conidiobolomycosis in a 31-year-old male, born and resident in the Urabá region of Colombia. He presented with a mid-facial deformity of the nose and upper lip edema, and polypoid images in the maxillary sinuses with destruction of the nasal septum. The biopsy revealed a diffuse inflammatory lesion located in the deep dermis and in the hypodermis corresponding to a necrotizing granuloma. Associated eosinophils and the presence of the Splendore-Hoeppli phenomenon were noted in the vacant central zone which apparently corresponded to location of the fungal hyphae. They did not stain with HE stain, but reacted to the PAS and Grocott staining techniques and appeared as rigid, thick-walled hyphae, centrally twisted and with cone-shaped endings.
- Published
- 2004
20. Vías inflamatorias en la fisiopatología del acné
- Author
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Orozco, Beatriz, primary, Velásquez, Margarita María, primary, Meléndez, Esperanza, primary, Pabón, Juan Guillermo, primary, Motta, Adriana, primary, Anaya, Liliana, primary, Atuesta, Juan Jaime, primary, Balcázar, Luis Fernando, primary, Barona, María Isabel, primary, Becerra, Margarita María, primary, Busi, Florinda, primary, Campo, Martha Helena, primary, Cruz, Adriana, primary, Danies, Milena, primary, Diazgranados, Teresita, primary, Espinosa, Diego, primary, Escandón, Claudia, primary, Gaita, Adriana, primary, García, Gonzalo Eduardo, primary, González, Martha Lucía, primary, Huyke, Bernardo, primary, Jiménez, Sol Beatriz, primary, López, Juana Gabriela, primary, Lotero, María Cristina, primary, Medina, Óscar, primary, Montealegre, Carlos, primary, Ortiz, Mauricio, primary, Parra, Johanna, primary, Quiroz, Lina, primary, Quintero, Ramiro, primary, Ranking, Verónica, primary, Rengifo6, Jaime, primary, Robledo, Mary Ann, primary, Rueda, Ricardo, primary, Tovar, José, primary, Uribe, Claudia, primary, Vallejo, Jessica, primary, Velásquez, Gloria, primary, and Velásquez, Natalia, primary
- Published
- 2013
- Full Text
- View/download PDF
21. ¿Reconoce esta clave diagnóstica?
- Author
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Orozco-Sebá, Beatriz, Camilo Marchán-Cárdenas, Juan, Meléndez, Esperanza, and Joseph Montagut, Alonso
- Published
- 2021
- Full Text
- View/download PDF
22. Eritema indurado de Bazin.
- Author
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NATALY ORDÓÑEZ, KARINA, DAVID SEPÚLVEDA, ALAN, GEOVANNI ARZUAGA, ÁNGELO, ENRIQUE KATIME, ABRAHAM, and MELÉNDEZ, ESPERANZA
- Abstract
Copyright of Acta Medica Colombiana is the property of Acta Medica Colombiana and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2018
- Full Text
- View/download PDF
23. Lepra Conyugal
- Author
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Meléndez, Esperanza, primary, Fuentes, Jairo, additional, and Rodríguez, Gerzaín, additional
- Published
- 2006
- Full Text
- View/download PDF
24. Conidiobolomicosis: hallazgos histopatológicos.
- Author
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Pérez, Jesús A., primary, Correa, Alvaro, additional, Fuentes, Jairo, additional, and Meléndez, Esperanza, additional
- Published
- 2004
- Full Text
- View/download PDF
25. Membrane permeability transition as induced by dysfunction of the electron transport chain
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Chávez, Edmundo, primary, Meléndez, Esperanza, additional, Zazueta, Cecilia, additional, Reyes‐Vivas, Horacio, additional, and Perales, Sofía G., additional
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- 1997
- Full Text
- View/download PDF
26. Identification and comparison of Mycobacterium leprae genotypes in two geographical regions of Colombia.
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CARDONA-CASTRO, NORA, BELTRÁN-ALZATE, JUAN CAMILO, ROMERO-MONTOYA, IRMA MARCELA, MELÉNDEZ, ESPERANZA, TORRES, FERNANDO, SAKAMURI, RAMA MURTHY, WEI LI, and VISSA, VARALAKSHMI
- Published
- 2009
27. Orozco-Sebá BE, Viasus D, Meléndez E, Fuentes J, Tovar J, Amado EA, et al. Colestasis intrahepática por Treponema pallidum en paciente inmunocompetente. Biomedica. 2023;43:164-70.
- Author
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Orozco-Sebá BE, Viasus D, Meléndez E, Fuentes J, Tovar J, Amado EA, and Loaiza D
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- Humans, Immunocompetence, Male, Syphilis complications, Treponema pallidum genetics, Treponema pallidum isolation & purification, Cholestasis, Intrahepatic genetics
- Published
- 2024
28. Intrahepatic cholestasis due to Treponema pallidum in an immunocompetent patient
- Author
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Orozco-Sebá BE, Viasus D, Meléndez E, Fuentes J, Tovar J, Amado EA, and Loaiza D
- Subjects
- Humans, Treponema pallidum, Cholestasis, Intrahepatic
- Abstract
Hepatitis due to Treponema pallidum is a rare entity and its diagnosis represents a clinical challenge. Treponema pallidum should be considered as a presumptive etiology in all patients with acute liver disease, when other frequent causes have been ruled out. We present the case of a young, immunocompetent patient with elevated values in his liver tests, a cholestatic pattern, and maculopapular lesions on his palms and soles. Given his clinical picture, diagnostic tests, and response to the antimicrobial therapy, a diagnosis of cholestasis due to secondary syphilis has been established. It is important to include secondary syphilis within the possible causes of acute liver disease.
- Published
- 2023
- Full Text
- View/download PDF
29. Leprosy in the Colombian island of Providencia
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Fuentes J, Jiménez J, Urueta G, Fadul S, Meléndez E, Guerrero MI, and Rodríguez G
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- Adolescent, Colombia, Female, Humans, Male, Middle Aged, Leprosy diagnosis, Leprosy drug therapy
- Abstract
San Andrés and Providencia are Colombian islands in the Caribbean Sea. San Andrés has 68,283 inhabitants and has registered cases of leprosy in immigrants from continental Colombia. Providencia has 5,037 inhabitants and historically health programs did not have records of the disease, but in 2009 two cases of multibacillary histoid leprosy were confirmed and, subsequently, another two, which represents a prevalence of 8 cases per 10,000 inhabitants and places the island as a hyperendemic site for leprosy. Initially, a 14-year-old girl with histoid leprosy was diagnosed and, exploring this case, her father was diagnosed with the same clinical form of leprosy. Recently, a new intrafamilial patient with multibacillary leprosy and an extrafamilial case of a girl with undetermined leprosy were detected. The objective of this study was to present to the scientific community and the public health officers these clinical cases and to draw the attention of the sanitary authorities on the necessity of establishing continuous programs of leprosy epidemiological surveillance on the island using the new tools available in the Programa de Control de la Lepra (Leprosy Control Program).
- Published
- 2020
- Full Text
- View/download PDF
30. [Conjugal leprosy].
- Author
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Meléndez E, Fuentes J, and Rodríguez G
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- Adult, Aged, Aged, 80 and over, Colombia epidemiology, Consanguinity, Female, Foot Deformities, Acquired epidemiology, Foot Deformities, Acquired etiology, Hand Deformities, Acquired epidemiology, Hand Deformities, Acquired etiology, Humans, Keratoconjunctivitis, Infectious epidemiology, Keratoconjunctivitis, Infectious etiology, Leprosy classification, Leprosy complications, Leprosy transmission, Leprosy, Lepromatous epidemiology, Leprosy, Lepromatous transmission, Male, Middle Aged, Retrospective Studies, Time Factors, Disease Transmission, Infectious statistics & numerical data, Leprosy epidemiology, Spouses
- Abstract
Objectives: Determining the occurrence of leprosy amongst couples and establishing the type of leprosy in index and secondary cases., Methods: The characteristics of leprosy were studied between 1980 and 2000 in Atlántico Department located on the Colombian Caribbean Coast. Clinical histories of patients registered in the Leprosy Control Programme were reviewed. Clinical exams were performed and personal interviews carried out with couples suffering from leprosy., Results: Twenty-six married couples were found to be suffering from leprosy, representing 5.4% of leprosy cases detected during the study period. They were aged from 20 to 89. 65.4% of the index cases were men and 22 (84.6%) were multibacillary, lepromatous cases; two had indeterminate leprosy and two were suffering from tuberculoid leprosy. Sixty-one percent of the secondary cases were paucibacillary patients, 42% of them being tuberculoid. No paucibacillary cases were associated with multibacillary leprosy in the couples. Only two couples had consanguinity. None of the couples had had leprosy at the time of being married. The time between leprosy being detected in index cases and the disease being detected in secondary patients varied from 5 to 40 years. Disabilities were more common in the feet and to a higher degree in lepromatous index cases who had had the disease for a longer time than the secondary cases because these were more frequently paucibacillary patients who had a disease having shorter evolution., Conclusions: In spite of ongoing, prolonged contact, conjugal leprosy is not frequent and requires several years to develop in the second person. Lepromatous leprosy in index cases was more frequently associated with leprosy in the couple. When the primary case was paucibacillary, no multibacillary leprosy occurred in the secondary case.
- Published
- 2006
31. [Conidiobolomycosis: a case report with histophathologic findings].
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Pérez JA, Correa A, Fuentes J, and Meléndez E
- Subjects
- Adult, Humans, Male, Zygomycosis diagnosis, Conidiobolus isolation & purification, Zygomycosis pathology
- Abstract
Conidiobolomycosis is a subcutaneous mycosis of the facial midline affecting primarily adult males. It is caused by the saprophytic fungus, Conodiobolus coronatus, present in soils and dried vegetables, characteristic of intertropical regions. C. coronatus belongs to the class Zygomycetes, order Entomophthorales; it is a fungus composed of thick, short hyphae that grows at temperatures between 30 degrees C and 37 degrees C and causes nasal granulomas. The histologic findings are described of a case of conidiobolomycosis in a 31-year-old male, born and resident in the Urabá region of Colombia. He presented with a mid-facial deformity of the nose and upper lip edema, and polypoid images in the maxillary sinuses with destruction of the nasal septum. The biopsy revealed a diffuse inflammatory lesion located in the deep dermis and in the hypodermis corresponding to a necrotizing granuloma. Associated eosinophils and the presence of the Splendore-Hoeppli phenomenon were noted in the vacant central zone which apparently corresponded to location of the fungal hyphae. They did not stain with HE stain, but reacted to the PAS and Grocott staining techniques and appeared as rigid, thick-walled hyphae, centrally twisted and with cone-shaped endings.
- Published
- 2004
32. A potential role for beta-carotene in avian embryonic development.
- Author
-
Mora O, Kuri-Melo L, González-Gallardo A, Meléndez E, Morales A, Shimada A, and Varela-Echavarría A
- Subjects
- Animals, Chick Embryo enzymology, Egg Yolk chemistry, Gene Expression, In Situ Hybridization, Oxygenases genetics, RNA, Messenger analysis, Reverse Transcriptase Polymerase Chain Reaction, Vitamin A physiology, beta Carotene analysis, beta-Carotene 15,15'-Monooxygenase, Chick Embryo growth & development, beta Carotene physiology
- Abstract
Vitamin A is essential for vertebrate embryonic development; dietary carotenoids are the primary source of vitamin A since animals cannot synthesize it de novo. To study the role of beta-carotene during embryonic development, we analyzed in chick embryos the expression of beta,beta-carotene 15,15'-oxygenase (beta-oxy) which cleaves beta-carotene to produce two molecules of retinal. Beta-oxy transcripts were detected in one-and-a-half- to five-day-old embryo homogenates and in situ hybridization in five-day-old embryos, revealing their presence in tissues including the central nervous system, lungs, limbs, and cardiovascular system. Moreover, we detected beta-oxy enzymatic activity in extracts from five-day-old embryos as well as small amounts of beta-carotene in the egg yolk. These results indicate that beta-oxy is present during early developmental stages, raising the possibility that yolk-stored beta-carotene is utilized as a source of vitamin A. Thus, our results suggest that beta-carotene could play an important role in early avian embryonic development as a local source of vitamin A in specific tissues.
- Published
- 2004
- Full Text
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