| Literatürler Hematoloji Uzmanlık Derneği
Literatür Detay Bilgisi
Renal Monoclonal Immunoglobulin Deposition Disease: A Report of 64 Patients from a Single Institution.

Yazarlar : Nasr SH, Valeri AM, Cornell LD, Fidler ME, Sethi S, D'Agati VD, Leung N.

Yayın : Clin J Am Soc Nephrol.

Yayın Yılı : 2012

Pubmed Linki : http://www.ncbi.nlm.nih.gov/pubmed/22156754

Konu : Myelom

Literatür İçeriği :  

Abstract

Background and objectivesTo better define the clinical-pathologic spectrum and prognosis of monoclonal immunoglobulin deposition disease (MIDD), this study reports the largest series.Design, setting, participants, & measurementsCharacteristics of 64 MIDD patients who were seen at Mayo Clinic are provided.ResultsOf 64 patients with MIDD, 51 had light chain deposition disease, 7 had heavy chain deposition disease, and 6 had light and heavy chain deposition disease. The mean age at diagnosis was 56 years, and 23 patients (36%) were ≤50 years of age. Clinical evidence of dysproteinemia was present in 62 patients (97%), including multiple myeloma in 38 (59%). M-spike was detected on serum protein electrophoresis in 47 (73%). Serum free light chain ratio was abnormal in all 51 patients tested. Presentation included renal insufficiency, proteinuria, hematuria, and hypertension. Nodular mesangial sclerosis was seen in 39 patients (61%). During a median of 25 months of follow-up (range, 1-140) in 56 patients, 32 (57%) had stable/improved renal function, 2 (4%) had worsening renal function, and 22 (39%) progressed to ESRD. The mean renal and patient survivals were 64 and 90 months, respectively. The disease recurred in three of four patients who received a kidney transplant.ConclusionsPatients with MIDD generally present at a younger age than those with light chain amyloidosis or light chain cast nephropathy. Serum free light chain ratio is abnormal in all MIDD patients, whereas only three-quarters have abnormal serum protein electrophoresis. The prognosis for MIDD is improving compared with historical controls, likely reflecting earlier detection and improved therapies.


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