how to cite this article: arzanian mt, shamsian bsh, karimzadeh p, kajiyazdi m, malek f, hammoud m. posterior reversible encephalopathy syndrome in pediatric hematologic-oncologic disease: literature review and case presentation. iran j child neurol. 2014 spring 8(2):1-10. objective posterior reversible encephalopathy syndrome (pres) is a cliniconeuroradiological disease entity, which is repres...

posterior reversible encephalopathy syndrome (pres) is associated with various clinical manifestations such as headache, blurred vision, confusion and tonic-clonic convulsion. some of the predisposing factors for pres include hypertensive encephalopathy, preeclampsia and eclampsia, lupus erythematosus, thrombotic thrombocytopenic purpura and long-term use of immunosuppressive drugs. this condit...

Patent retrieval is generally considered to be a recall-oriented information retrieval task that is growing in importance. Despite this fact, precision based scores such as mean average precision (MAP) remain the primary evaluation measures for patent retrieval. Our study examines different evaluation measures for the recall-oriented patent retrieval task and shows the limitations of the curren...