患者男,40岁。口腔反复溃疡8年余于1987年4月29日入院。1978年10月因“伤寒”住某院服氯霉索10天,出院时白细胞2.0×10~9/L,体弱头昏。两月后出现口腔溃疡,初为1～2处,位于颊粘膜,1月自愈。半月后再发并逐渐加重。1980～1982年常有4～6处溃疡同时布 Male patient, 40 years old. Oral repeated ulcer more than 8 years in April 29, 1987 admission. October 1978 due to “typhoid fever” to live in a hospital clotrimazole 10 days, discharge white blood cells 2.0 × 10 ~ 9 / L, frail dizziness. Two months after the occurrence of oral ulcers, initially as 1 to 2, located in the buccal mucosa, January heal. Half a month after the hair and gradually increased. From 1980 to 1982 often 4 to 6 ulcers at the same time cloth