CJCP     2006 8 (1):  77-78    ISSN: 1008-8830  CN: 43-1301/R Misdiagnosis of acute leukemia presenting with arthralgia as primary symptom: report of 7 cases YAO Pei-Yuan, CAO Lan-Fang, XU Ling-Yun, LU Yan-Ming Department of Pediatrics, Renji Hospital, Shanghai Second Medical University, Shanghai 200001, China Received: null  Revised: null  Online: null Supporting info