患者,男,70岁,农民,于1996年10月7日入院,入院前10天自觉舌下有异物感,无疼痛,经当地医院诊断为“舌下脓肿”,予先锋霉素胶囊4号0.5g,一日三次,6天后未显效。入院时查:左舌下(?)4cm×4.5cm肿块,光滑,相对固定,无压痛,表面呈紫红色,肿块中央见一针眼样小孔,压之有少量白色液体溢出,即在局麻下,以肿 The patient, male, 70 years old, farmer, was admitted to hospital on October 7, 1996. Ten days before admission, he felt a foreign body sensation without pain and was diagnosed as “sublingual abscess” by a local hospital. 0.5g, three times a day, six days did not work. On admission, check the left sublingual (?) 4cm * 4.5cm mass, smooth, relatively fixed, no tenderness, the surface was purple, see the central mass of a needle eyelet hole, a small amount of white liquid overflow pressure that local anesthesia Under to swollen