synovial chondroma
synovial chondromatosis
Cytogenetics
trisomy 5 (+5)
References
Tallini G, Dorfman H, Brys P, Dal Cin P, De Wever I, Fletcher CD, Jonson K, Mandahl N, Mertens F, Mitelman F, Rosai J, Rydholm A, Samson I, Sciot R, Van den Berghe H, Vanni R, Willen H. Correlation between clinicopathological features and karyotype in 100 cartilaginous and chordoid tumours. A report from the Chromosomes and Morphology (CHAMP) Collaborative Study Group. J Pathol. 2002 Feb;196(2):194-203. PMID: 11793371