Lasers in Medical Science

, Volume 31, Issue 7, pp 1339–1342 | Cite as

Treatment of hesitation marks on the forearm by the pinhole method

  • Sang Ju Lee
  • Yeon A No
  • Jin Moon Kang
  • Won Soon Chung
  • Young Koo Kim
  • Seong Jun Seo
  • Kui Young ParkEmail author
Original Article


Scars from self-inflicted wounds, referred to as “hesitation marks,” are usually linear, flat, poorly oriented, white in color, and often located on the forearm. Many patients do not undergo treatment for these due to limited available modalities. The aim of this study was to evaluate the efficacy and safety of the pinhole method using a 10,600 nm carbon dioxide (CO2) laser for treating hesitation marks on the forearm. We conducted a retrospective chart review of patients with hesitation marks treated by the pinhole method from March 2010 to April 2014. Eleven patients with hesitation marks (mean age 37.8 years; range, 23–67 years) were treated with the pinhole method over the 4-year study period. Subjects were treated via the pinhole method in one to six treatment sessions at 4- to 8-week intervals. Two blinded observers evaluated photographs taken at baseline and 3 months after the final treatment and assessed improvement using a quartile grading scale. Compared with baseline, there was mild to moderate improvement in all patients (mean score 3.0). The patient satisfaction survey revealed a mean improvement score of 2.82. The pinhole method using a CO2 laser may be an effective treatment option in patients with hesitation marks on the forearm.


Hesitation mark Pinhole method CO2 laser 


Compliance with ethical standards

Informed consent was obtained from all patients, and the study was approved by our hospital’s medical ethics committee. The study protocol conformed to the guidelines of the 1975 Declaration of Helsinki.

Supplementary material

10103_2016_1981_MOESM1_ESM.jpg (1.7 mb)
ESM 1 (JPG 1726 kb)


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Copyright information

© Springer-Verlag London 2016

Authors and Affiliations

  • Sang Ju Lee
    • 1
  • Yeon A No
    • 2
  • Jin Moon Kang
    • 1
  • Won Soon Chung
    • 1
  • Young Koo Kim
    • 1
  • Seong Jun Seo
    • 2
  • Kui Young Park
    • 2
    • 3
    Email author
  1. 1.Yonsei Star Skin & Laser ClinicSeoulSouth Korea
  2. 2.Departments of DermatologyChung-Ang University College of MedicineSeoulSouth Korea
  3. 3.Departments of DermatologyChung-Ang University HospitalSeoulSouth Korea

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