Extra-Articular Tenosynovial Chondromatosis of the Finger: A Case Series Study of Three Cases, One Including Excessive Osseous Invasion

Table 1: Clinical summary of cases of extra-articular tenosynovial chondromatosis of the finger.

Case No.	Age, Gender	Side, Finger	Surface	Tendon*	Nodule	Size (Area)	Cal/Oss	Intra-oss	OA	Duration	Follow-up
1	65, F	R, Index	Dorsal	Under	Multi	1 cm (x 5 cm)	+/–	+	–	40 y	2 y + 0 mo
2	46, F	R, Middle	Volar	Above	Mono	1.5 cm	–/+	–	–	6 mo	11 mo
3	66, M	R, Ring	Dorsal	Under	Multi	2 cm (x 2 cm)	–/–	–	–	3 mo	5 y + 2 mo

Cal: calcification, F: female, Intraoss: intraosseous lesion, L: left, M: male, mo: month, OA: osteoarthritic degenerative change in the nearby joint, Oss: ossification, R: right, Tendon*: relationship to the tendon, y: year.