Fig. 7From: The clothes maketh the signLateral projection of the skull in a 63-year-old diabetic patient with fever and occipital scalp pain demonstrates a lucent lesion with a central opacity resembling a button (inset). The infectious organism destroys the bone, which is replaced by purulent material and granulation tissue, producing a lucency. Central opacity represents an island of dead bone (“button sequestrum”)Back to article page