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患者女,50岁,自诉右侧面部肿胀一年,近三个月明显增大,无疼痛,右下颌及下唇有麻木感。体征:一般情况好,右下颌关节下方可触到约3cm×2cm 的肿物.质中等硬度,活动度差,压痛阳性,腮腺导管区无红肿及异常分泌物。腮腺造影显示腮腺无明显异常。B 超检查:加用水囊探查,探头沿右下颌骨长轴纵向扫查时,可见下颌骨升支强回声光带连续中断,在中断处见一大小为2.48cm×1.92cm 的实质性强回声光团、边界尚清,无包膜、肿物形态不规则,内部回声不均,肿物侵入浅方的软组织。下颌骨强光带浅方低回声区为嚼肌,嚼肌浅
Female patient, 50 years old, private prosecution of the right side of the face swelling a year, nearly three months increased significantly, no pain, right lower jaw and lower lip with numbness. Signs: Generally good, below the right mandibular joint can reach about 3cm × 2cm mass. Medium quality of hardness, poor mobility, tenderness positive, parotid duct area without swelling and abnormal secretions. Parotid gland showed no obvious abnormalities in the parotid gland. B-ultrasound: plus the use of water sac exploration, the probe along the long axis of the right mandibular scan, we can see continuous lifting of the mandibular ascending echogenic band, interrupted at a size of 2.48cm × 1.92cm substantial Echo light group, the boundary is clear, non-enveloped, irregular tumor morphology, internal echo uneven, tumor invasion of shallow soft tissue. Mandible with light shallow low echo area for the chewing muscle, chewing muscle shallow