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Rev. argent. reumatolg. (En línea) ; 32(4): 28-37, dic. 2021. ilus, tab
Article in Spanish | LILACS, BINACIS | ID: biblio-1376441

ABSTRACT

Se comunica una serie de tres casos clínicos que consultaron al servicio de Reumatología por compromiso orbitario y renal. Uno de ellos presentó pseudotumor orbitario con proteinuria en rango nefrótico; se realizó biopsia y se encontró infiltrado linfoplasmocitario denso y fibrosis estoriforme con inmunohistoquímica: 15 células IgG4+ por campo de alto poder y relación IgG/IgG4 ≤40%, concluyendo diagnóstico de enfermedad relacionada por IgG4. El segundo y tercer caso presentaron compromiso ocular con "ojos de mapache" y lesiones amarillentas en párpados, ambos con proteinuria >500 mg/24 h, con biopsia de piel rojo Congo positiva y birrefringencia verde manzana con luz polarizada. Se discuten distintos diagnósticos diferenciales poco frecuentes a tener en cuenta en estos pacientes.


A series of three cases that consulted the rheumatology service due to orbital and renal involvement is reported. One of them presented orbital pseudotumor with proteinuria in the nephrotic range, a biopsy was performed, finding dense lymphoplasmacytic infiltrate and storiform fibrosis with immunohistochemistry: 15 IgG4 positive cells per HPF and IgG/IgG4 ratio ≤40%, concluding diagnosis of IgG4 related disease. The second and third cases presented ocular involvement with raccoon eyes and yellowish lesions on the eyelids, both with proteinuria greater than 500 mg/24 h, with apple-green birefringence of amyloid on congo red staining. Different rare differential diagnoses to take into account in these patients are discussed.


Subject(s)
Humans , Female , Adult , Middle Aged , Young Adult , Orbital Diseases/diagnosis , Skin Diseases/diagnosis , Immunoglobulin G4-Related Disease/diagnosis , Amyloidosis/diagnosis , Kidney Diseases/diagnosis , Arthritis, Rheumatoid/diagnosis , Arthritis, Rheumatoid/drug therapy , Sarcoidosis/diagnosis , Skin Diseases/pathology , Skin Diseases/drug therapy , Diagnosis, Differential , Immunoglobulin G4-Related Disease/pathology , Immunoglobulin G4-Related Disease/drug therapy , Amyloidosis/pathology , Amyloidosis/drug therapy , Kidney Diseases/pathology , Kidney Diseases/drug therapy
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