“…From a clinical viewpoint, gender does not appear to be a predisposing factor in the development of malignancy. 20,37 However, malignant tumors appear to arise at a later mean age than their benign counterparts: in the study by Benninger et al, 20 61 versus 52 years; in Bielamowicz et al, 12 61 versus 52 years; in Siivonen et al, 38 64 versus 55 years; and in Christensen and Smith, 39 66 versus 49 years. The racial incidence parallels that of benign lesions, with a preponderance of whites affected.…”