Figure 2: (A) Minor salivary gland with interstitial lymphoid infiltrates penetrating atrophic acinar residues; excretory ducts (left) showing moderate ectasia and mucous retention. (B) Closer look at the duct system showing epithelial hyperplasia and apocrine metaplasia (A and B: haematoxylin-eosin staining). (C) Low magnification of the ectatic ductal tree and the irregular atrophia of acinar tissues with some fibrosis and lymphoid infiltrates in between. (D) Closer look at the lymphoid infiltrates penetrating the hyperplastic ductal epithelium (C and D: periodic acid-Schiff reaction).