Journal of Cutaneous and Aesthetic Surgery
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   Table of Contents     
PRACTICE POINTS  
Year : 2020  |  Volume : 13  |  Issue : 2  |  Page : 152-153
Scar orientation: Principles in plastic surgery


1 Department of Plastic Surgery, Royal Preston Hospital, Preston, UK
2 Department of Plastic Surgery, The Christie NHS Foundation Trust, Manchester, UK

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Date of Web Publication20-Jun-2020
 

   Abstract 

For biopsy proven skin cancers that are deemed to be high risk, a wide local excision (WLE) is recommended to reduce the risk of local recurrence. For this reason, it is pragmatic to account for the likelihood of a WLE at the time of the initial biopsy. We illustrate a staged approach to excision of lesions to facilitate this, bearing in mind the optimal reconstruction is primary closure. In our experience as plastic surgeons, having to perform a locoregional flap or skin graft prevents the opportunity to perform a local anesthetic procedure. This increases the risk of postoperative complications, especially if adjuvant radiotherapy further exposes reconstructed tissues to radiation toxicity. Collectively, this often results in an inferior aesthetic outcome. We value the referrals from allied colleagues and want to share the principles we adhere to when planning an excision biopsy, which aid in the delivery of the optimal reconstruction.

Keywords: Healing, scar, scar orientation, skin cancer

How to cite this article:
Amin KR, Asher CM, Hamilton AE, Mowatt D. Scar orientation: Principles in plastic surgery. J Cutan Aesthet Surg 2020;13:152-3

How to cite this URL:
Amin KR, Asher CM, Hamilton AE, Mowatt D. Scar orientation: Principles in plastic surgery. J Cutan Aesthet Surg [serial online] 2020 [cited 2020 Jul 3];13:152-3. Available from: http://www.jcasonline.com/text.asp?2020/13/2/152/287316




For biopsy proven skin cancers that are deemed to be high risk, a wide local excision (WLE) is recommended to reduce the risk of local recurrence. This includes (not limited to) basal cell carcinoma, squamous cell carcinoma, soft-tissue sarcoma, and malignant melanoma. Up to 20% of malignant melanomas are biopsied in primary care.[1] There is a strong case for dermatologists to take the lead in diagnosing these lesions.[2] In accordance with updated guidelines from the National Institute for Clinical Excellence (NICE), a confirmed diagnosis of melanoma requires a WLE around the biopsy scar of between 1 and 2cm dependent on the Breslow thickness of the primary lesion.[3]

It is pragmatic to account for the likelihood of a WLE at the time of the initial biopsy, bearing in mind the optimal reconstruction is primary closure. In our experience as plastic surgeons, having to perform a locoregional flap or skin graft prevents the opportunity to perform a local anesthetic procedure. This increases the risk of postoperative complications, especially if adjuvant radiotherapy further exposes reconstructed tissues to radiation toxicity.[4] Collectively, this often results in an inferior aesthetic outcome. We find that this is most evident on the neck, back, and distal lower limb where tissue laxity is limited.

A longitudinally orientated scar is preferred on the limbs, in order to take advantage of the circumferential laxity often found in extremities and the parallel alignment to the direction of lymphatic drainage [Figure 1]. This has beneficial effects in minimizing edema.[5]
Figure 1: (A) scar on the arm of patient denoted by +. (B) Transverse orientation of WLE scar and limited skin laxity. (C) Longitudinal orientation and maximal recruitment of circumferential laxity. (D) Healed, longitudinally orientated WLE scar

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Thirdly, biopsies that incorporate an ellipse lengthen the scar. We find that a non-epileptiform, entirely marginal excision of the lesion first, enables a more controlled assessment of wound closure. For small defects, a useful exercise is to pinch and approximate the wound edges gauging the direction the laxity is arising from, aiding in the decision of scar orientation. For larger wounds, the same exercise can be repeated with skin hooks or Kilner “catspaw” retractors. Following closure, the wound can then be extended in order to excise any resulting standing cone/“dog-ear’’ deformity.

We value our referrals from colleagues in Primary Care and Dermatology. We wanted to share the principles we adhere to when planning an excision biopsy, which aid in the delivery of the optimal reconstruction.


   Learning Points Top


  1. Primary wound closure is the optimal reconstructive option


  2. Longitudinal orientation of the scar in limbs recruits circumferential laxity and runs parallel to lymphatics to minimize edema.


  3. Marginal excision followed by approximation of wound edges with the’ pinch test’ reduces surplus skin excision and identifies optimal scar orientation.


  4. Following closure of the marginal defect, the wound can be extended to eliminate any resulting standing cone/“dog ear” deformity and closed


Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest



 
   References Top

1.
Murchie P, Sinclair E, Lee AJ. Primary excision of cutaneous melanoma: Does the location of excision matter. Br J Gen Pract 2011;61:131-4.  Back to cited text no. 1
    
2.
Goulding JM, Levine S, Blizard RA, Deroide F, Swale VJ. Dermatological surgery: a comparison of activity and outcomes in primary and secondary care. Br J Dermatol 2009;161: 110-4.  Back to cited text no. 2
    
3.
NICE. Melanoma: assessment and management; 2015. Available from: https://www.nice.org.uk/guidance/ng14/resources/melanoma-assessment-and-management-pdf-1837271430853. [Last accessed on 2020 Jan 2].  Back to cited text no. 3
    
4.
Haubner F, Ohmann E, Pohl F, Strutz J, Gassner HG. Wound healing after radiation therapy: review of the literature. Radiat Oncol 2012;7:162.  Back to cited text no. 4
    
5.
Rutkowski P, Zdzienicki M, Nowecki ZI, Van Akkooi AC. Surgery of primary melanomas. Cancers (Basel) 2010;2:824-41.  Back to cited text no. 5
    

Top
Correspondence Address:
Kavit R Amin
Department of Plastic Surgery, Royal Preston Hospital, Sharoe Green Lane, PR2 9HT Preston.
UK
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JCAS.JCAS_5_20

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