“…15,18 Microscopically, lymphangiomas are characterized by a cyst lined with a flattened endothelial layer with a fibrous cyst wall 1,2,5,10,11,17,18 that can contain lymphoid aggregates. 1 The cytologic findings in our case of parotid lymphangioma were similar to the cytologic findings of other head and neck lymphangiomas, [7][8][9] and were characterized by aspiration of hypocellular, clear fluid that contained variable numbers of mature lymphocytes, red blood cells, and only rare clusters of benign-appearing salivary gland epithelium. No oncocytic epithelium, squamous epithelium, or histiocytes were seen.…”