患者男,57岁,1999年因肾结石、尿毒症进行肾移植术,术后一直服用环孢素、硫唑嘌呤和泼尼松等药物,患者一般情况尚好。2001年7月右下肢出现疼痛,以夜间卧床时明显,右大腿皮肤出现片状发红,渐增大,肿胀,影响行走,经抗炎治疗无效,于2001年12月收入院。入院体检见右下肢有片状皮肤 Male, 57 years old, renal transplant due to kidney stones and uremia in 1999, has been taking cyclosporine, azathioprine and prednisone after surgery, the patient is generally good. In July 2001 the right lower extremity pain, obvious at night when bedridden, the right thigh skin flakes red, increasing, swelling, affecting the walk, the anti-inflammatory treatment ineffective, in December 2001 income hospital. Physical examination admitted to the right lower limb with flaky skin