Community-acquired pneumonia with an unusual radiographic pattern related to Lophomonas sp infection: case report

Autores

  • Huber Alvarado-Castell Universidad Libre Seccional Barranquilla, Facultad de Ciencias de la Salud, Puerto Colombia, Colombia, huber-alvaradoc@unilibre.edu.co https://orcid.org/0000-0002-7380-7732
  • William Caicedo-Solarte Universidad Libre Seccional Barranquilla, Facultad de Ciencias de la Salud, Puerto Colombia, Colombia, williama-caicedos@unilibre.edu.co https://orcid.org/0009-0002-8009-8978
  • Dinno Fernández-Chica Universidad Libre Seccional Barranquilla, Facultad de Ciencias de la Salud, Puerto Colombia, Colombia, dinnoa.fernandezc@unilibre.edu.co https://orcid.org/0000-0001-7921-0307
  • Carlos Daza-Daza Universidad Libre Seccional Barranquilla, Facultad de Ciencias de la Salud, Puerto Colombia, Colombia, carlosj-dazad@unilibre.edu.co https://orcid.org/0009-0008-4492-3938
  • Lina Salcedo-Badel Universidad Libre Seccional Barranquilla, Facultad de Ciencias de la Salud, Puerto Colombia, Colombia, linam-salcedob@unilibre.edu.co https://orcid.org/0009-0009-7137-1080
  • Martha Sánchez-Bolívar Universidad Libre Seccional Barranquilla, Facultad de Ciencias de la Salud, Puerto Colombia, Colombia, martham.sanchezb@unilibre.edu.co https://orcid.org/0000-0003-4973-5537
  • Ronald Maestre-Serrano Universidad Libre Seccional Barranquilla, Facultad de Ciencias de la Salud, Puerto Colombia, Colombia, ronaldy.maestres@unilibre.edu.co https://orcid.org/0000-0002-5858-9829

DOI:

https://doi.org/10.5216/rpt.v53i4.79572

Resumo

Lophomonas sp is a flagellated protozoan, described in the literature as a commensal in the digestive tract of insects such as cockroaches and termites. It has little association with the development of symptomatology in immunocompetent patients. However, a few cases of bronchopulmonary infections.

Patient who started presenting respiratory symptoms focused initially like community-acquired pneumonia, with no response to empirical therapy following clinical management guidelines. It required a thorax tomography that evidenced alveolar occupation in an unusual pattern, leading to a Fiberoptic bronchoscopy plus bronchoalveolar lavage, achieving microbiological isolation of Lophomonas sp.

Lophomonas pneumonia is a rare respiratory clinical picture. In case of slow-resolution pneumonia or one that does not respond to treatment, it is recommended to perform a new evaluation of the patient in their clinical history and request complementary diagnostic imaging to make it possible to reach a timely diagnosis and thus decrease mortality.

KEY WORDS: Pneumonia; Lophomonas; cockroaches; Colombia

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Biografia do Autor

Dinno Fernández-Chica, Universidad Libre Seccional Barranquilla, Facultad de Ciencias de la Salud, Puerto Colombia, Colombia, dinnoa.fernandezc@unilibre.edu.co

2. Clínica General del Norte, Servicio infectología, Barranquilla, Colombia.

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Publicado

2025-01-23

Como Citar

ALVARADO-CASTELL, H.; CAICEDO-SOLARTE, W.; FERNÁNDEZ-CHICA, D.; DAZA-DAZA, C.; SALCEDO-BADEL, L.; SÁNCHEZ-BOLÍVAR, M.; MAESTRE-SERRANO, R. Community-acquired pneumonia with an unusual radiographic pattern related to Lophomonas sp infection: case report. Revista de Patologia Tropical / Journal of Tropical Pathology, Goiânia, v. 53, n. 4, p. 353–358, 2025. DOI: 10.5216/rpt.v53i4.79572. Disponível em: https://revistas.ufg.br/iptsp/article/view/79572. Acesso em: 24 jun. 2025.

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RELATO DE CASO / CASE REPORT