Table 1.

Demographics and characteristics of the tumours at presentation to the tertiary service.

Demographics and presentation	Distal humerus		Proximal ulna and radius
	Benign	Malignant	Benign	Malignant
Number of patients	23	26	24 (12 ulna:12 radius)	7 (4 ulna: 3 radius)
Male: female	10: 13	13: 13	12: 12	5: 2
Mean age at presentation (years, range)	23 (3–62)	49 (1–87)	34 (6–83)	31 (8–51)
Mean length of symptoms (months, range)	6 (1–24)	6 (1–12)	9 (1–72)	6 (1–12)
Pain as presenting symptom	23 (100%)	22 (76%)	23 (96%)	6 (75%)
Swelling as presenting symptom	16 (70%)	22 (76%)	14 (58%)	6 (75%)
Fracture at presentation	6 (26%)	7 (24%)	10 (42%)	3 (38%)