Fig. 3From: Necrotizing sialometaplasia: a malignant masquerade but questionable precancerous lesion, report of four casesNecrotizing sialometaplasia associated with high grade dysplasia in case 4 (a, × 40). Marked nuclear plemorphism is evident in squamoid cells (b, × 200). These cells showed immunoreactivity to P53 (c) and high Ki-67 (d)Back to article page