The needle-scratch technique.

  title={The needle-scratch technique.},
  author={Leonard Harry Goldberg and J Alcalay},
  journal={The Journal of dermatologic surgery and oncology},
  volume={16 8},
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. 

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