Invasive pulmonary aspergillosis in rheumatological patients. Presentation of two casesInvasive pulmonary aspergillosis (IPA) is an infection caused by fungi of the genus Aspergillus that mainly affects immunocompromised patients and corresponds to the most severe form of aspergillosis. It is associated with high morbidity and mortality, and diagnosis and timely treatment are essential. Clinical manifestations are nonspecific, so an adequate study is important for diagnosis, mainly in patients with unusual risk factors. At present, diagnostic categories have been established that consider factors of the host, traditional mycological laboratory and biomarkers such as galactomannan. These, together with the better understanding and interpretation of the tomographic images, allow us to offer an adequate management. In this article, two clinical cases of API in rheumatological patients are presented, and the usefulness of the diagnostic methods is discussed. ResumenLa aspergilosis pulmonar invasora (API) es una infección causada por hongos del género Aspergillus que afecta principalmente a pacientes inmunocomprometidos y corresponde a la forma más grave de aspergilosis. Se asocia a una alta morbi-mortalidad, siendo fundamental un diagnóstico y tratamiento oportuno. Las manifestaciones clínicas son inespecíficas, por lo que un estudio adecuado es importante para el diagnóstico, principalmente en pacientes con factores de riesgo poco habituales. En la actualidad se han establecido categorías diagnósticas que consideran factores del hospedero, laboratorio micológico tradicional y biomarcadores como galactomanano. Éstos, junto a la mejor comprensión e interpretación de las imágenes tomográficas permiten ofrecer un manejo adecuado. En este artículo, se presentan dos casos clínicos de API en pacientes reumatológicos, y se discute la utilidad de los métodos diagnósticos.
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