Dermatofibrosarcoma protuberan is a maligant tumor with low malignancy. The major clinical manifestation is a hard nodule increasing slowly from skin surface, pale purple. Pathological feature as a wheel shape or a multilayer aligned fibroblast.
Dermatofibrosarcoma ; pathology ; Fibroblasts ; pathology ; Humans ; Skin Neoplasms ; pathology

Soft environment of opening laboratory in key subject will deeply affect the construction and development of disciplines.Developing and innovative academic team;scientific and rigorous running mechanism,healthy and concordant academic atmosphere,active and positive behavior mode,all of the above are the main factors of soft environment of laboratory.From now on,we need try our best to improve human rights,design more efficient aims,constitute impellingly guarantee system and fine mechanism of consistent of regulations and environment,apply modern managing instrument scientificly and improve managing efficiency.