为洛夫病为一全身性、慢性、畸形性、外源性软骨-骨关节病。所有年龄组均可受染,但以5—16岁的儿童为主。在儿童期,其主要症状为:管状骨缩短,四肢关节呈增厚及畸形、挛缩,关节有特殊的碎裂声及疼痛。如本病发生在骨骼停止生长以后,则无管状骨的缩短,其他症状则同。由患病关节的数量及患病程度,本病可分为前驱 Love disease is a generalized, chronic, deformity, exogenous cartilage - bone and joint disease. All age groups can be affected, but mainly children aged 5-16. In childhood, the main symptoms are: shortening of the tubular bone, joint thickening and deformity of the limbs, contracture, joint has a special chipping sound and pain. If the disease occurs after the bones stop growing, there is no shortening of the tubular bone, the other symptoms are the same. The number of diseased joints and the degree of illness, the disease can be divided into precursors