Related Experiment Video
Updated: Aug 19, 2026

04:59
Cheek Injection Model for Simultaneous Measurement of Pain and Itch-related Behaviors
Published on: September 27, 2019
The needle-scratch technique
1Dermatologic Surgery Unit, Baylor College of Medicine, Houston, TX 77030.
Abstract:
An easy, convenient method of marking the borders of a cutaneous tumor before excision is presented. It enables the physician to see the preoperative clinical borders of a tumor without worry of erasing the inked borders with cleansing solution.

