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本文报道1例由猪链球菌感染引起的化脓性脑膜炎。患者为老年男性，长期从事养猪工作，主要临床表现为发热、头痛、意识障碍，结合头颅磁共振成像、脑脊液检查结果考虑为猪链球菌2型导致的化脓性脑膜炎。经青霉素抗感染、地塞米松抑制免疫反应等治疗后症状明显好转，发病3周左右出现听力减退，经6个月随访，仍遗留严重听力障碍。“,”This article reported a case of suppurative meningitis caused by n Streptococcus suis infection. The patient is an old man who has been engaged in pig breeding. The common symptoms include fever, headache and disturbance of consciousness. According to the results of magnetic resonance imagine and cerebrospinal fluid examination, the patient was considered purulent meningitis caused by n Streptococcus suis type 2. After treatment with penicillin anti-infection and dexamethasone inhibition of immune response, the symptoms improved significantly. Three weeks after the onset of the disease, hearing loss occurred, after six months of follow-up, serious hearing impairment was still left.n