作者: Jane S. Hankins , M. Beth McCarville , Ralf B. Loeffler , Matthew P. Smeltzer , Mihaela Onciu
DOI: 10.1182/BLOOD-2008-12-191643
关键词: Liver Iron Concentration 、 Biopsy 、 Bone marrow failure 、 Nuclear medicine 、 Intraclass correlation 、 Sickle cell anemia 、 Liver biopsy 、 Magnetic resonance imaging 、 Medicine 、 Pathology 、 Ferritin
摘要: R2* magnetic resonance imaging (R2*-MRI) can quantify hepatic iron content (HIC) by noninvasive means but is not fully investigated. Patients with overload completed 1.5T R2*-MRI examination and liver biopsy within 30 days. Forty-three patients (sickle cell anemia, n = 32; beta-thalassemia major, 6; bone marrow failure, 5) were analyzed: median age, 14 years, transfusion duration, 15 months, average (+/-SD) serum ferritin 2718 plus or minus 1994 ng/mL, HIC 10.9 6.8 mg Fe/g dry weight liver. Regions of interest drawn analyzed 3 independent reviewers excellent agreement their measurements (intraclass correlation coefficient 0.98). Ferritin weakly significantly associated (range coefficients among the reviewers, 0.41-0.48; all P < .01). was strongly for (correlation coefficients, 0.96-0.98; .001). This high confirms prior reports, calibrates measurements, suggests its clinical utility predicting using R2*-MRI. study registered at www.clinicaltrials.gov as #NCT00675038.