Fig. 1From: Radical resection and reconstruction in patients with adenoid cystic carcinoma in the minor salivary glands of the palateGrade I tumors showing only a tubular and cribriform pattern without solid components. Solid-type adenoid cystic carcinoma (ACC) with elements of the cribriform and tubular types (hematoxylin and eosin staining) (A). Immunohistochemical staining for Ki-67 in ACC showing 10% positive cells (B)Back to article page