The median age was 8 years.18 lesions were in the mandible, 1 was in the maxilla and 2 involved the mandible and maxilla.

• 下颌骨多见,18例,上颌骨1例,上、下颌骨同时发生2例。结论:颌骨嗜酸性粒细胞肉芽肿临床上少见,病理诊断较为明确。