Research Article

A Retrospective Observational Study on Disease Characteristics and Treatment Patterns of Giant Cell Tumor of the Bone in China

Table 3

Treatment patterns.

DescriptionFAS ()UMNAS ()
Primary diagnosis ()Last disease recurrence ()Primary diagnosis ()Last disease recurrence ()

Surgical treatment, (%)666 (99.7)196 (98.0)172 (99.4)77 (96.3)
 Curettage, (%)457 (68.4)94 (47.0)36 (20.8)8 (10.0)
 Resection, (%)207 (31.0)98 (49.0)135 (78.0)65 (81.3)
 Amputation, (%)1 (0.2)4 (2.0)1 (0.6)4 (5.0)
 Others, (%)1 (0.2)0 (0.0)0 (0.0)0 (0.0)
 Any high-morbidity surgery, (%)111(16.6)65 (32.5)111 (64.2)65 (81.3)
Nonsurgical treatment by objective, (%)205 (30.7)67 (33.5)91 (52.6)37 (46.3)
 Salvage treatment alone, (%)2 (0.3)4 (2.0)1 (0.6)3 (3.8)
 Neoadjuvant therapy, (%)131 (19.6)27 (13.5)48 (27.8)15 (18.8)
 Adjuvant therapy, (%)30 (4.5)22 (11.0)12 (6.9)13 (16.3)
 Neoadjuvant+adjuvant therapy, (%)42 (6.3)14 (7.0)30 (17.3)6 (7.5)
Nonsurgical treatment+surgical treatment, (%)0 (0.0)1 (0.5)0 (0.0)0 (0.0)
Nonsurgical treatment by category, (%)205 (30.7)67 (33.5)91 (52.6)37 (46.3)
 Radiotherapy18 (2.7)2 (1.0)18 (10.4)2 (2.5)
 Bisphosphonates180 (26.9)61 (30.5)66 (38.2)33 (41.3)
 Chemotherapy0 (0.0)1 (0.5)0 (0.0)1 (1.3)
 Serial arterial embolization45 (6.7)8 (4.0)43 (24.9)6 (7.5)

Includes joint resection/joint replacement, amputation, or other surgical procedure leading to severe morbidity after surgery. First-line nonsurgical treatment failed, so the patient was subsequently treated with surgery. FAS = full analysis set; UMNAS = unmet medical needs analysis set.