|Year : 2020 | Volume
| Issue : 5 | Page : 863
Modification of a 32 G needle as an eyepiece pointer for light microscopy
Sandip Agrawal, Sanober Burzin Daruwalla, Rachita S Dhurat
Department of Dermatology, LTMMC and LTMGH, Sion, Mumbai, Maharashtra, India
|Date of Submission||27-Nov-2019|
|Date of Decision||14-Jan-2020|
|Date of Acceptance||06-Mar-2020|
|Date of Web Publication||19-Sep-2020|
Sanober Burzin Daruwalla
Department of Dermatology, LTMMC and LTMGH, Sion, Mumbai, Maharashtra
Source of Support: None, Conflict of Interest: None
|How to cite this article:|
Agrawal S, Daruwalla SB, Dhurat RS. Modification of a 32 G needle as an eyepiece pointer for light microscopy. Indian Dermatol Online J 2020;11:863
|How to cite this URL:|
Agrawal S, Daruwalla SB, Dhurat RS. Modification of a 32 G needle as an eyepiece pointer for light microscopy. Indian Dermatol Online J [serial online] 2020 [cited 2021 Sep 24];11:863. Available from: https://www.idoj.in/text.asp?2020/11/5/863/295594
| Technological Challenge|| |
Dermatopathology can bring out the inner ”Sherlock Holmes” of residents, as they make microscopic observations to reach to a definitive diagnosis. To enhance proficiency in dermatopathology, interaction between residents and their mentor is indispensable for the learning process. Consequently, an eyepiece pointer under the light microscope serves as an important tool to point out various findings essential for making a diagnosis. However, for some light microscopes, the pointer is not built-in but entails additional cost. Herein, we describe the use of a 32 G needle as an improvised eyepiece pointer for light microscopy.
| Solution|| |
The shaft of a 32 G needle is separated from hub and is bent at 90° at a point 1 cm from bevel end [Figure 1]a. The base of this shaft is simply stuck to the inner wall of the eyepiece such that the bevel end is present at the center of the eyepiece which will function as a pointer [Figure 1]b. The subject of interest to be visualized and demonstrated in the field of view can be adjusted and placed next to the pointer. This simple modification will serve as a useful adjuvant to point out specific structures under the microscope [Figure 2].
|Figure 1: (a) 32 G needle bent at 90° (b) Needle shaft stuck to the inner wall of the eyepiece such that the bevel end is present at the center|
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|Figure 2: Needle pointer focusing on medulla of the hair shaft as seen through the microscope|
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Conflicts of interest
There are no conflicts of interest.
| References|| |
Singh S, Grummer S, Hancox J, Sangueza O, Feldman S. The extent of dermatopathology education: A comparison of pathology and dermatology. J Am Acad Dermatol 2005;53:694-7.
Lounsbury J. A Simple microscope eyepiece pointer. Science 1931;73:266-6.
[Figure 1], [Figure 2]