Clinical Outcomes of Surgical Treatments for Primary Malignant Bone Tumors Arising in the Acetabulum

Table 1

Patient characteristics for the entire study population and surgical/oncological outcome.

Description	Number
Patients
Male 13, female 5	Total 18
Age (at diagnosis)	41 years (8–69)
Tumor size	11.7 cm (7–20)
Diagnosis
Osteosarcoma	8
Chondrosarcoma	5
MFH of bone	2
Ewing sarcoma	2
Fibrosarcoma of bone	1
Neoadjuvant therapy
Polychemotherapy	11
Radiotherapy	0
Adjuvant therapy
Polychemotherapy	9
Radiotherapy	1
Follow-up	62 months (8–155)
Resected area (Enneking classification)
PII	2
PI-II	4
PII-III	8
PI-II-III	4
Surgical outcome
Wide margin	17
Marginal margin	0
Intralesional margin	1
Oncological outcome
No evidence of disease (NED)	11
Alive with disease (AWD)	2
Dead of disease (DOD)	5
Prognosis
Overall survival (five years)	67.2%