atypical glandular cells of undetermined significance
term in the Bethesda system used in reporting a cervical or vaginal cytologic diagnosis describing cells that show either endometrial or endocervical differentiation and display nuclear atypia that exceed reactive or reparative changes but lack definite features of invasive adenocarcinoma.
See Also: Bethesda system
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Examples: glitazone, GI cocktail, etc.