Bethesda system

Etymology
From Bethesda, Maryland, United States, where a conference was held that established the system.

Proper noun

 * 1)  A system for reporting cervical or vaginal cytologic diagnoses, specifically Pap smear results.
 * 2)  A similar system for cytopathology of thyroid nodules.
 * 1)  A similar system for cytopathology of thyroid nodules.