Table 1. Clinical and Pathological Characteristics of 70 Bone Metastases From 64 Patients.

Characteristic	No [% ]
Number of procedures	70 [100]
Age, years
Mean	70.3 + 8.7
Median	71
Radiologic appearance of bone metastasis
Blastic	61 [87.1]
Lytic	8 [11.4]
Mixed	1 [1.4]
Location
Iliac bone	38 [54.3]
Lumbar vertebra	10 [14.3]
Thoracic vertebra	7 [10.0]
Sacrum	4 [5.7]
Femur	3 [4.3]
Pubic bone	2 [2.9]
Rib	2 [2.9]
Ischiac bone	2 [2.9]
Sternum	1 [1.4]
Humerus	1 [1.4]
Biopsy diagnostic
Yes	60 [85.7]
No	10 [14.3]
Histologic subtype(a)
Adenocarcinoma, usual	55 [91.7]
Adenocarcinoma, with neuroendocrine differentiation	3 [5.0]
Small cell carcinoma	2 [3.3]

^(a)Percentages based on 60 diagnostic biopsies