PELVIC INSUFFICIENCY FRACTURES ASSOCIATED WITH RADIATION ATROPHY - CLINICAL RECOGNITION AND DIAGNOSTIC EVALUATION

Pelvic bone injuries are infrequent complications of radiotherapy. How ever, insufficiency fractures in irradiated pelvic bones may be underd etected, particularly in postmenopausal women. We describe the clinica l presentation, radiologic evaluation, and course of disease in three patients with postradiation pelvic insufficiency fractures, Differenti al diagnosis included metastatic disease, tumor recurrence, and second malignancy, Recognition of radiographic features may prevent unnecess ary, possibly morbid treatments.