Term: dyschodroplasia or, chondrodysplasia
Literally meaning: “abnormal cartilage formation”
Origin: Anc Greek
δυσ-/dys-(=prefix used with a negative sense meaning difficult, bad, abnormal, misfortune) > δύω/dyo(=decline) δύση/dysi(=sundown)
+χόνδρος/chondros (=thick, coarse salt, soft bone, cartilages in the region between the ribs and navel)
+πλάσσω/plasso(=to create, to form, to mold)
It was first described and named by Ollier in 1900.
Maroteaux P, Lamy M (1960) Les chondropdystrophies genotypiques. L’Expansion Scientifique Francaise, Paris, pp 26–27.
Dyschondroplasia is a congenital disease characterized by abnormal proliferation of cartilage within the metaphysis and diaphysis of certain bones causing thinning of the cortex and distortion of the growth in length. In a minority of patients with this deformity, dysplasia can lead to sarcomatous degeneration leading to chondrosarcoma.