浆细胞骨髓瘤首发于颌骨者较少见。现将我院22年中收治3例报告如下: 例1:男,46岁,住院号:0512。右磨牙自发性疼痛3月,牙龈肿胀发现新生物2月。1月前因7松动拔除后肿块增大迅速。近来持续性疼痛加剧,并放射至半侧头部。肿块抽吸活检,出血较多,报告为“恶性肿瘤”。检查:一般状况可。头颅、脊椎、四肢未见异常。右面颊部、颧弓和颌下区可见14×10×4cm大 Plasma cell myeloma is less common in the first jaw. The following is a report of 3 cases in our hospital for 22 years: Example 1: Male, 46 years old, hospital number: 0512. Spontaneous pain in the right molars in March, swelling of the gums found new creatures in February. Before January, the mass was rapidly increased after loosening. Persistent pain has recently increased and it has been radiated to the half of the head. Aspiration biopsy of the mass resulted in more bleeding and was reported as a “malignant tumor.” Check: The general situation is OK. No abnormalities were found in the skull, spine and limbs. The right cheek, zygomatic arch and submandibular area can be seen 14 × 10 × 4cm