“…The most important differential diagnoses with temporal bone fibrous dysplasia include Paget's disease, hyperparathyroidism, local reaction to meningioma, osteoma, eosinophilic granuloma, osteochondroma, and sarcomatous neoplasm 7,8 . It is not always possible to make the diagnosis of temporal monostotic fibrous dysplasia with isolated clinical and radiological data.…”