2015
DOI: 10.1016/j.nefro.2015.05.023
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Enfermedad relacionada con IgG4: descripción de un caso con lesiones pulmonares, adenopatías mediastínicas e insuficiencia renal rápidamente progresiva

Abstract: This is a case report of a 73-year-old man with new-onset acute renal failure while being investigated for pulmonary infiltrates and mediastinal lymphadenopathies. Urine tests showed tubular range proteinuria with no microhaematuria. Immunology tests showed elevated serum IgG and hypocomplementaemia (classical pathway activation). Renal biopsy and clinical-pathological correlation were crucial in this case, reinforcing their important role in the final diagnosis of acute kidney injury.

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Cited by 3 publications
(4 citation statements)
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“…8 In some study, more than half of patients presented with acute or progressive renal failure, which required renal biopsy. 1113 Multiple or solitary, round or wedge-shaped, parenchymal low-density lesions are common on computed tomography. In our current case, we, however, did not find parenchymal low-density lesions in the renal; and, the first clinical signs and symptoms of our current case were bilateral mild hydronephrosis and acute kidney injury, which could spontaneous resolution.…”
Section: Discussionmentioning
confidence: 99%
“…8 In some study, more than half of patients presented with acute or progressive renal failure, which required renal biopsy. 1113 Multiple or solitary, round or wedge-shaped, parenchymal low-density lesions are common on computed tomography. In our current case, we, however, did not find parenchymal low-density lesions in the renal; and, the first clinical signs and symptoms of our current case were bilateral mild hydronephrosis and acute kidney injury, which could spontaneous resolution.…”
Section: Discussionmentioning
confidence: 99%
“…La edad de presentación generalmente es entre la quinta y séptima década de la vida 4 , siendo más prevalente en hombres que en mujeres (ratio 3:1) 6 , tal como es el caso de nuestro paciente. Desde un punto de vista clínico, la ER-IgG4 generalmente se manifiesta por un síndrome constitucional inespecífico 1,5 , si bien las manifestaciones clínicas varían dependiendo de la gravedad y de los órganos afectados 7 . En nuestro paciente, la principal afección fue el derrame pleural unilateral recurrente de predominio linfocítico, en cuyo caso resultó mandatario la exclusión de diversas causas tales como enfermedades infecciosas, enfermedades autoinmunes, sistémicas y neoplásicas.…”
Section: Discussionunclassified
“…La enfermedad relacionada con IgG4 (ER-IgG4) es una entidad fibro-inflamatoria poco frecuente 1,2 , caracterizada por lesiones con un denso infiltrado linfoplasmocítico con abundantes células positivas para inmunoglobulina G 4 (IgG), fibrosis estoriforme, flebitis obliterativa y frecuentemente niveles séricos elevados de IgG4 2,3 . Es más frecuente en hombres y en mayores de 50 años 4,5 . No existen aún datos sobre incidencia y prevalencia en Occidente 6 .…”
Section: Introductionunclassified
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