Primary and secondary synovial chondrometaplasia: histopathologic and clinicoradiologic differences. 1979

A B Villacin, and L N Brigham, and P G Bullough

One hundred thirty-six cases diagnosed clinically as either synovial chondrometaplasia or osteocartilaginous loose bodies were reviewed. On the basis of the histopathologic peculiarities, the cases were grouped into two distinct categories, primary and secondary synovial chondrometaplasia, comprising 10 and 126 cases, respectively. In each group there was synovial chondrometaplasia but the histologic patterns were dissimilar. In cases of secondary synovial chondrometaplasia the initiating factors were usually obvious and the lesions were nonaggressive. Primary synovial chondrometaplasia, on the other hand, was aggressive and was associated with a high incidence of recurrence.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D008679 Metaplasia A condition in which there is a change of one adult cell type to another similar adult cell type.
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D012008 Recurrence The return of a sign, symptom, or disease after a remission. Recrudescence,Relapse,Recrudescences,Recurrences,Relapses
D002356 Cartilage A non-vascular form of connective tissue composed of CHONDROCYTES embedded in a matrix that includes CHONDROITIN SULFATE and various types of FIBRILLAR COLLAGEN. There are three major types: HYALINE CARTILAGE; FIBROCARTILAGE; and ELASTIC CARTILAGE. Cartilages
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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