Table 2.
Cases of TGCT with chondroid metaplasia

Reference	Age (range)	Sex	Involving site	Symptom	Size (range)	Growth pattern	Extent of chondroid metaplasia
Pignatti et al.3 (n=1)	54	M	Elbow joint	Pain and limited motion	3 cm	Diffuse	Diffuse
Oda et al.4 (n=3)	52	M	TM joint	Ear tightness	2 cm	Diffuse	20%
	67	M	TM joint	Pain	NA	Diffuse	30%
	52	F	Hip joint	Coxalgia	3 cm	Diffuse	30%
Hoch et al.5 (n=5)	49(36~70)	M(n=3)F (n=2)	TM joint	Mass effect	3.9 cm (3.1~4.5)	Diffuse	90% (n=3)30%(n=2)
Fisher et al.6 (n=1)	50	F	Temporal bone	Aural fullness and otalgia	0.5 cm	Diffuse	NA

M, male; F, female; TM, temporomandibular; NA, not available.