RESUMEN
ABSTRACT Exogenous lipoid pneumonia (ELP) is an unusual disease, with an incidence of 1 to 2.5%, caused by aspiration and accumulation of exogenous lipids in the pulmonary alveoli. When the aspirated agent has an oily composition, a pulmonary inflammatory reaction called lipoid pneumonia is triggered, which over time can lead to irreversible parenchymal fibrosis. Sometimes it can appear as nodular lesions that require a broad differential diagnosis, in which case imaging studies have a fundamental role. Histopathological confirmation is required for definitive diagnosis1. We present a clinical case of lipoid pneumonia which appeared as a lung mass accompanied by bilateral pulmonary infiltrates.
RESUMEN La neumonía lipoidea exógena (NLE) es una patología inusual, que tiene una incidencia del 1% al 2,5%, y tiene su causa en la aspiración y la acumulación de lípidos de origen exógeno dentro de los alvéolos pulmonares. Cuando el agente aspirado es de composición oleosa, se desencadena una reacción inflamatoria pulmonar denominada neumonía lipoidea, que con el tiempo puede conducir a una fibrosis parenquimatosa irreversible. En ocasiones, se puede presentar en forma de lesiones nodulares, que obligan a un amplio diagnóstico diferencial, en el que desempeñan un papel fundamental los estudios por imágenes. Para el diagnóstico definitivo, se requiere confirmación histopatológica1. Presentamos un caso clínico de neumonía lipoidea que se presentó como masa pulmonar acompañada de infiltrados pulmonares bilaterales.
RESUMEN
La neumonía lipoidea exógena (NLE) es una patología inusual, que tiene una incidencia del 1% al 2,5%, y tiene su causa en la aspiración y la acumulación de lípidos de origen exógeno dentro de los alvéolos pulmonares. Cuando el agente aspirado es de composición oleosa, se desencadena una reacción inflamatoria pulmonar denominada neumonía lipoidea, que con el tiempo puede conducir a una fibrosis parenquimatosa irreversible. En ocasiones, se puede presentar en forma de lesiones nodulares, que obligan a un amplio diagnóstico diferencial, en el que desempeñan un papel fundamental los estudios por imágenes. Para el diagnóstico definitivo, se requiere confirmación histopatológica1. Presentamos un caso clínico de neumonía lipoidea que se presentó como masa pulmonar acompañada de infiltrados pulmonares bilaterales.
Exogenous lipoid pneumonia (ELP) is an unusual disease, with an incidence of 1 to 2.5%, caused by aspiration and accumulation of exogenous lipids in the pulmonary alveoli. When the aspirated agent has an oily composition, a pulmonary inflammatory reaction called lipoid pneumonia is triggered, which over time can lead to irreversible parenchymal fibrosis. Sometimes it can appear as nodular lesions that require a broad differential diagnosis, in which case imaging studies have a fundamental role. Histo pathological confirmation is required for definitive diagnosis1. We present a clinical case of lipoid pneumonia which appeared as a lung mass ac companied by bilateral pulmonary infiltrates.
Asunto(s)
Fibrosis PulmonarRESUMEN
Primary splenic angiosarcoma is an extremely agressive and rare neoplasm. Manifestations as bone marrow invasion and coagulation disorders have been reported isolatedly. A 26 years-old woman presented with abdominal pain; several anemia and thrombocytopenia associated to leukoerythroblastic reaction were found in the laboratory. Consumpion coagulopathy signs and microangiopathy as schistocytes, prolonged prothrombine time, decreased fibrinogen and increased D dimer were also present. Imaging findings included a lobulated, enlarged spleen, with spontanously hyperdense areas, and heterogeneous nodules with intense, irregular enhancement after contrast administration. There were hepatic and pulmonary metastases, as well as bone lesions with conspicuous vessels. Clinical features of Kasabach-Merrit syndrome and imaging vascular neoplasm characteristics suggest a primary splenic angiosarcoma. Splenectomy and bone marrow biopsy confirmed the diagnosis of primary splenic angiosarcoma in metastatic stage.