Sialocysts of salivary glands are outnumbered greatly by pseudocystic lesions, exemplified by mucoceles. In the major salivary glands, sialocysts are preponderantly lesions of the parotid glands, where they are classified as 1) salivary duct cysts, 2) lymphoepithelial cysts, or 3) dysgenetic or congenital cysts. All arise from salivary ducts and have no relation with the branchial apparatus.
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