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LETTER TO EDITOR
Year : 1998  |  Volume : 64  |  Issue : 6  |  Page : 310-311

Punch grafting in vitiligo



Correspondence Address:
Koushik Lahiri


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Source of Support: None, Conflict of Interest: None


PMID: 20921811

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How to cite this article:
Lahiri K. Punch grafting in vitiligo. Indian J Dermatol Venereol Leprol 1998;64:310-1

How to cite this URL:
Lahiri K. Punch grafting in vitiligo. Indian J Dermatol Venereol Leprol [serial online] 1998 [cited 2020 May 25];64:310-1. Available from: http://www.ijdvl.com/text.asp?1998/64/6/310/4739



  To the Editor Top


This is in reference to the article "punch grafting in vitiligo: Refinements and case selection" by Subodh Kumar Singh (IJDVL1997, 63:296-300).

I want to add certain points in this regard.

1. The introductory sentence itself is somewhat confusing where it refers to the "complete disappearance of pigmentary cells in the basal layer of dermis and perifollicular epidermis, clearly there is a mix-up between "dermis" and "epidermis".

2. The author has only included focal and segmental vitiligo in his study. Inclusion of other types of cutaneous achromia (eg. Vitiligo vulgaris, piebaldism, post-burn depigmentation etc.) could have made the study more broad based.

3. Duration of the disease varied from 1 to 19 years in the study but no mention was made about the period of disease stability. Before taking the operating option the clinician must ensure that the disease is inactive (i.e. the existing patches are not increasing in size, there is no new patch, and there is no Koebner phenomenon). In case of slightest doubt test grafting can be done.[1]

4. 2.5 -3mm punches were used in the study. When smaller punches are available use of larger punches could have been avoided easily. Falabella found 3mm and even 2mm grafts more visible and scars more noticeable as compared to 1mm grafts.[2]. He concluded that larger grafts left cobble stone appearance and smaller grafts are incapable of spreading favourable perigraft pigment spread. So he settled for a size in between, i.e., 1-2mm.[2]

5. We have noticed in our studies that 2 mm punches can be used both in the donor and the recipient areas without any problem. [3, 4]

6. The chance of contact sensitisation to framycetin could be avoided by using sterile paraffin gauze.

7. Dressing can be removed after 5 days, because it takes 2-3 days for capillary linkage to occur and vascularisation of the graft.[5] In our experience even 3 days were sufficient for dressing removal from highly vascular areas, e.g. lips. We didn't feel the need for application of dressing for another 7 days, as suggested by the author.

8. The result section can be made more lucid with the use of tables and graphs in a study like this.

9. We have studied the AOR (appearance of repigmentation) time extensively in one of our studies in 110 cases. AOR ranged between 14 and 39 days, with an overall average being approximately 21.6 days.[6]

10. Regarding perigraft spread of pigment the observation of faster spread in patients between 10-25 years of age and in those with soft, thin, elastic, undamaged, dark skin is indeed interesting. MPS (Maximum pigment spread ) was studied by us in 29 different regions of the body of 110 cases and was found to be varying between 0 to 10 mm, with an over all average of 5.5 mm (approx).

11. 'Local' steroid cream was used for the donor area, though the reason for this was not explained. Emollients are often sufficient.

12. Cobble stoning and variegated appearance was observed over eyelids, malar region, chin and dorsum of the hand by the author which was quite in contrary with our observation where we have found favourable pigment spread over exposed parts especially over forehead, eyelid, chin and less favourable outcome over covered or shadowed parts like groin, submandibular regions and areas over bony prominences like elbow, malleoli etc. [6, 7] Dr. Singh should be congratulated for his study. But, unfortunately this has added nothing new to our existing knowledge on punch grafting in general , and "refinements and case selection" in particular. He has rightly concluded that still there is a dearth in our understanding of the factors controlling and modulating the pigment cell replenishment.

If the patients are selected properly and the procedures performed meticulously, punch grafting can bring relief to a large population of hopeless and frustrated patients[7].

 
  References Top

1.Falabella R, Arrunategui A, Barona MI, et al. The minigrafting test for vitiligo: detection of stable lesions for melanocyte transplantation. J Am Acad Dermatol 1995.32:228-232.  Back to cited text no. 1    
2.Falabella R. Repigmentation of stable leucoderma by autologous minigrafting. J Dermatol Surg Oncol 1986;12:112-129.  Back to cited text no. 2  [PUBMED]  [FULLTEXT]
3.Lahiri K, Sengupta SR. Treatment of stable and recalcitrant depigmented skin conditions by autologous punch grafting. Ind J Dermatol Venereol Leprol 1997;63:11-14.  Back to cited text no. 3    
4.Malakar S Punch grafting. In: An Approach to Dermatosurgery. 1st edn. Calcutta: A Paul,1996:44-46.  Back to cited text no. 4    
5.Burge S, Rayment R. Simple skin surgery, 1st edn. London: Blackwell Scientific Publication, 1986:71-84.  Back to cited text no. 5    
6.Lahiri K, Sengupta SR. A regionwise comparative study of post punch graft appearance of repigmentation (AOR) time in cutaneous achromia. Indian J Dermatol 1998;43:13-15.  Back to cited text no. 6    
7.Lahiri K, Sengupta SR. A regionwise comparative study of the extent of post punch graft surgical repigmentation in cutaneous achromia. Indian J Dermatol Venereol Leprol. (Accepted for publication, Ref. No. 205/97).  Back to cited text no. 7    




 

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