Indian Journal of Dermatology
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CORRESPONDENCE
Year : 2013  |  Volume : 58  |  Issue : 2  |  Page : 146
Ballpoint pen as diagnostic tool


Wiwanitkit House, Bangkhae, Bangkok 10160, Thailand

Date of Web Publication5-Mar-2013

Correspondence Address:
Viroj Wiwanitkit
Wiwanitkit House, Bangkhae, Bangkok 10160
Thailand
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5154.108060

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How to cite this article:
Wiwanitkit V. Ballpoint pen as diagnostic tool. Indian J Dermatol 2013;58:146

How to cite this URL:
Wiwanitkit V. Ballpoint pen as diagnostic tool. Indian J Dermatol [serial online] 2013 [cited 2019 Sep 19];58:146. Available from: http://www.e-ijd.org/text.asp?2013/58/2/146/108060


Sir,

I read the recent publication on using ballpoint pen as diagnostic tool with a great interest. Godse proposed "use of a ballpoint" pen as a simple instrument in the diagnosis of dermographism and delayed physical urticaria. [1] I accept and applaud this new idea. However, there are many concerns. First, as Godes proposed, "pressure of hand is a variable" [1] in this test and "gradual increase of pressure by hand is useful to detect mild, moderate or severe dermographism." [1] The problem is whether this means no standardization. How to set a standard practice guideline in using ballpoint pen as a diagnostic tool is the next question to answer. In addition, a complete assessment on the diagnostic property (sensitivity, specificity and predictive value) of this new approach has to be done. Finally, although it is rare, it should also be kept in mind that the ballpoint pen can also induce allergic reaction and this might be a problem. [2]

 
   References Top

1.Godse KV. Use of a ballpoint pen in the diagnosis of physical urticaria. Indian J Dermatol 2011;56:119-20.  Back to cited text no. 1
[PUBMED]  Medknow Journal  
2.Kimata H. Hand eczema by rubberized grip of ballpoint pen in patients with atopic eczema. Allergy 2006;61:1149-50.  Back to cited text no. 2
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