We have reviewed 31 patients with Takayasu's arteritis followed at two pediatric nephrology units in Gauteng, South Africa over a 15-year period. There were 25 black patients, 4 white, and 2 of mixed race. The mean age at diagnosis was 8.42+/-3.59 (range 2.4-14.5, median 8) years. The most common presenting sign was hypertension, followed by cardiac failure, bruits, and absent pulses. The Mantoux test was strongly positive in 27 patients (90%, control population 5%). Markers of activity included a raised erythrocyte sedimentation rate (23 patients) or Gallium single photon emission tomography (positive in 12 of 16 patients). Angiography revealed type II (abdominal aorta) and III (arch plus abdominal aorta) lesions to be most common (11 in each group). All patients received antituberculous therapy and most low-dose aspirin for its antithromboxane effect. Corticosteroids and further immunosuppression were used to control disease activity. We added total lymphoid irradiation (TLI) or cyclophosphamide. Twenty-six patients in all received further immunosuppression, with 13 patients in each group. Results were similar in the two groups, with similar pre- and posttherapy systolic blood pressures and creatinine clearances. Two patients in each group relapsed, 3 died in the TLI group and 2 in the cyclophosphamide group. Surgical intervention, usually in the quiescent phase, consisted mainly of renal autotransplantation. Because of the problems with TLI and 2 patients with papillary carcinoma of the thyroid with long-term follow-up, we no longer use TLI. We have shown that with active medical and surgical intervention the aggressive course of this disease in children can be modified.
fibrolamellar carcinoma drug repurposing pediatric rare tumors patient derived xenografts drug screening fusion gene Abbreviations: ATR -Ataxia telangiectasia and Rad3-related protein AURKA -Aurora kinase A AURKB -Aurora kinase B Bcl-xL -B-cell lymphoma-extra large encoded by the BCL2-like 1 gene Bcl2 -B-cell lymphoma 2 ITS -Insulin, (human) Transferrin, Selenium BID -BH3 Interacting Domain Death Agonist BIM -Bcl-2-like protein 11 CA12 -Carbonic anhydrase 12 CDc7 -Cell division cycle 7-related protein kinase CDK -Cyclin depedent protein kinase Cyp19A1 -Also know as aromatase or estrogen synthase DAB -3,3'-Diaminobenzidine DMSO -Dimethyl sulfoxide DNA-PK -DNA protein kinase EGFR -Epidermal growth factor receptor eIF4F -Eukaryotic initiation factor 4F ErbB2 -erythroblastic oncogene B, also known as Her-2 protooncogene Neu and as epidermal growth factor receptor-2 FLC -fibrolamellar hepatocellular carcinoma H&E -hematoxylin and eosin HSA -Highest Single Agent HCC -hepatocellular carcinoma HDAC -Histone deacetylase HSP70 -Heat Shock Protein 70
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