Psoriasis is a common recrudescent chronic inflammatory dermatosis.

银屑病是一种常见、易复发的慢性炎症性皮肤病。

Objective To discuss the causation and prevention of concretion recrudescent after cholelithiasis operation.

目的探讨胆石病术后结石复发的原因及防治。

Methods: 28 cases with recrudescent intra-spinal canal tumors were analyzed, and the causes of recrudescence were predicated.

方法：对28例椎管内复发肿瘤进行临床回顾性分析，并推断其复发因素。

Objective to evaluate the clinical effects of the treatment of recrudescent fever sore with combined medicines and probe into the common nosogenesis.

目的评价几种药物联合治疗复发性口疮的临床疗效，探讨其常见的发病因素。

Conclusion: the three dimensional conformal radiation therapy is better for postoperative recrudescent patients with carcinoma of rectum, better than conventional radiotherapy.

结论：对于术后复发的直肠癌患者行三维适形照射优于以往常规照射方式。