Fig. 3From: A cytodiagnosis of adenoid cystic carcinoma of the tracheobronchial tree through a systematic clinical case comparison and analysisHistomorphologic features of adenoid cystic carcinoma. a A cribriform pattern showing acellular spaces containing mucoid and hyaline material (x 200). b A solid pattern demonstrated diffuse tumor cells with heavy nuclear chromatin distribution(x 200). c A tubular pattern with excessive extracellular basal lamina material and mucinous material (x 200). d CD117 showing positive in epithelial cells (x 200)Back to article page