患者男，42岁。进行性右下肢疼痛20天，呈放射性，自右髋部至右趾端．伴肢体麻木，活动受限。无外伤史，从无关节疼痛史及肝区痛史。查体：体温37℃，脉搏90次／分，呼吸20次／分，血压14／10kPa，全身皮肤粘膜无出血点、瘀斑、肝掌及蜘蛛病，全身浅表淋巴结无肿大，心肺（一） Male patient, 42 years old. Progressive right lower limb pain for 20 days, radioactive, from right hip to right toe. With numbness of the limbs, limited activity. No history of trauma, no history of joint pain and history of liver pain. Physical examination: body temperature 37°C, pulse 90 beats/min, respiratory rate 20 breaths/min, blood pressure 14/10 kPa, no bleeding, freckle, liver palm and arachnid disease in the skin and mucous membranes of the body, no enlargement of superficial lymph nodes, heart and lungs ( one)