患者男，６５岁，退休工人。阴囊部反复瘙痒伴渗液５年余，近日感局部疼痛而复诊。曾在我科及院外按“湿疹”给予多种皮质类固醇激素软膏外搽及中西药外用效果不佳，且局部疼痛加重，渗液增多。平素体健，家族无结核、传染病和肿瘤病史。体检：Ｔ．３６℃，Ｐ８０次／ｍｉ... Male patient, 65 years old, retired worker. Repeated itching scrotum with exudate more than 5 years, recent local pain and referral. In our hospital and outside the hospital according to “eczema” given a variety of corticosteroid ointment Waicha and Chinese and Western medicine topical ineffective, and local pain increased exudate increased. Normal physical health, family history of tuberculosis, infectious diseases and cancer. Physical examination: T. 36 ° C, P80 times / mi