患者女,27岁。停经37周,发现右颊部肿物2月余。查体:右颌下区皮肤稍红,皮温稍高,触及一肿物波及上颈部、面颊部,质硬,界不清,活动度一般,压痛明显。超声显示:右颌下腺见2处混合回声(1个月前),约3.7cm×2.9cm(图1)、2.0cm×1.6cm,分叶状,局部边界欠清,内回声不均,见絮状回声及强回声,CDFI见少血供。考虑脓肿可能;右颈部淋巴结增大。临床引流、抗炎后未见明显缓 Female patient, 27 years old. After 37 weeks of menopause, the right cheek was found for more than 2 months. Physical examination: the right submandibular area of ​​the skin slightly red, skin temperature slightly higher, touching a tumor spread to the neck, cheeks, hard, unclear, activity in general, tenderness significantly. Ultrasound showed that the right submandibular gland see mixed echo (1 month ago), about 3.7cm × 2.9cm (Figure 1), 2.0cm × 1.6cm, lobulated, the local boundary is not clear, the echo uneven, see Xu Echo-like and strong echo, CDFI see less blood supply. Consider abscess possible; right neck lymph nodes increased. Clinical drainage, anti-inflammatory no obvious slow