患者 男,20岁。受凉后乏力、发热伴周身酸痛20天于1992年6月13日入院。查体:体温37.3℃,右颈部触及3～4个光滑质硬压痛明显的小枣大淋巴结,与周围组织无粘连。心肺未见异常。腹软,肝大右肋下5cm,质软,边缘整齐,触痛明显。脾AB线左肋弓下3cm,质中,无触痛。下肢 Patient male, 20 years old. After cooling cold, fever with whole body soreness 20 days in June 13, 1992 admission. Physical examination: body temperature 37.3 ℃, right neck touched 3 to 4 smooth hard tenderness jujube lymph nodes obvious, no adhesions with the surrounding tissue. Heart and lung no abnormalities. Abdomen soft, right rib under the liver 5cm, soft, tidy edges, tenderness significantly. AB line AB line left rib bow 3cm, quality, no tenderness. Lower limbs