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Phlegm pouch
痰包 〔痰包〕 tán bāo
Also gourd tongue. A swelling on the under surface of the tongue shaped like a gourd, smooth and soft to the touch, and yellow in color. Phlegm pouch hampers eating and speech. When it bursts, it exudes a thick sticky phlegm-like substance similar to egg-white and sometimes like soy-bean dregs. It tends to recur and resist healing.
Biomedical correspondence: ranula (sublingual ptyalocele).
Management: It should be cut open with sharp scissors to allow the pus to drain.