The Efficacy of Conventionally Fractionated Radiation in the Management of Osseous Metastases from Metastatic Renal Cell Carcinoma

Table 1

Characteristics of patients and individual metastases.

Characteristic	Number of patients (%)
Total	40 (100%)
Gender
Male	31 (77.5%)
Female	9 (22.5%)
Median age	63 (range, 39–83 years)
Median follow-up	9.3 (range, 1.6–71.5 months)
Characteristic	Number of metastases (%)
Total	53 (100%)
Radiation therapy course
30 Gy in 10 Fx	16 (30.2%)
20 Gy in 5 Fx	7 (13.2%)
39 Gy in 13 Fx	7 (13.2%)
30 Gy in 5 Fx	5 (9.4%)
25 Gy in 5 Fx	3 (5.6%)
37.5 Gy in 15 Fx	3 (5.6%)
36 Gy in 12 Fx	2 (3.8%)
39 Gy in 15 Fx	2 (3.8%)
8 Gy in 1 Fx	1 (1.9%)
12 Gy in 2 Fx	1 (1.9%)
27 Gy in 8 Fx	1 (1.9%)
30 Gy in 12 Fx	1 (1.9%)
35 Gy in 14 Fx	1 (1.9%)
36 Gy in 6 Fx	1 (1.9%)
45 Gy in 9 Fx	1 (1.9%)
45 Gy in 15 Fx	1 (1.9%)
Median BED	43 (range, 17–74 Gy)
Surgery
Yes	20 (37.6%)
No	33 (60.4%)
Site
Vertebra	23 (43.4%)
Long bones	8 (15.1%)
Pelvis	12 (22.6%)
Others	10 (18.9%)
Concurrent treatment
Yes	25 (47.1%)
No	27 (50.1%)
Clear cell histology
Yes	44 (83.0%)
No	9 (17.0%)

Other sites include ribs, clavicle, and clivus; Gy indicates Gray; Fx indicates fractions; BED indicates biological equivalent dose.