Transillumination is a useful and inexpensive clinical tool that can be used for a range of conditions including testicular hydrocele. This paper gives a brief overview of the clinical use of transillumination in general, for testicular hydroceles and guidance for photography.N/

Bryson, David

David Bryson

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Clinical Medical Image Library

Transillumination of Testicular Hydrocele

Transillumination is a useful and inexpensive clinical tool that can be used for a range of conditions including testicular hydrocele. This paper gives a brief overview of the clinical use of transillumination in general, for testicular hydroceles and guidance for photography.Transillumination is a useful and inexpensive clinical tool that can be used for a range of
conditions including testicular hydrocele. This paper gives a brief overview of the clinical use
of transillumination in general, for testicular hydroceles and guidance for photography

UDORA - University of Derby Online Research Archive

Bryson. Clin Med Img Lib 2017, 3:075Volume 3 | Issue 3Open AccessISSN: 2474-3682Clinical Medical Image Library• Page 1 of 3 •Bryson. Clin Med Img Lib 2017, 3:075DOI: 10.23937/2474-3682/1510075Citation: Bryson D (2017) Transillumination of Testicular Hydrocele. Clin Med Img Lib 3:075. doi.org/10.23937/2474-3682/1510075Copyright: © 2017 Bryson D. This is an open-access content distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.Received: May 20, 2017; Accepted: October 30, 2017; Published: November 01, 2017Transillumination of Testicular HydroceleDavid Bryson**Corresponding author: David Bryson, Department of Forensic Science, College of Life and Natural Sciences, University of Derby, Kedleston Road, DE22 1GB, UK, E-mail: D.Bryson@derby.ac.ukDepartment of Forensic Science, College of Life and Natural Sciences, University of Derby, UKAbstractTransillumination is a useful and inexpensive clinical tool that can be used for a range of conditions including testicular hydrocele. This paper gives a brief overview of the clinical use of transillumination in general, for testicular hydroceles and guidance for photography.IMAGE ARTICLEern ultrasound machines”. But also stressed that MRI was the Gold standard for diagnosing meningocele and myelomeningocele.Transillumination for the differential diagnosis of testicular hydrocele has been covered in recent clinical literature including; Abdominoscrotal Hydrocele: Role of Physical Exam and Transillumination in Diagnosis by Keihani [8] and Transillumination: Shining a light from within by Irfan [9] in BMJ case Reports.PhotographyPhotography is easiest if the patient is seated as, de-pending on strength of the light source, a long exposure may be needed. For high quality photographs use a low digital film speed and place the camera on a tripod to avoid camera shake with long exposures. The key fac-tor in exposure is the strength of the light source and the amount of heat it produces. Almost all light sources produce heat and it is important for the patient’s com-fort that the light source is only applied long enough for the photograph to be taken and then removed and turned off. If multiple photographs are needed to get the right exposure the light source should be allowed to cool down between images. The stronger the light the more heat it produces and the shorter the exposure. So there is a balance between film speed, light strength and exposure time.It is routine to take photographs with normal light first, Figure 1 taken with studio flash and then with IntroductionThere are certain clinical conditions that can be di-agnosed and visualized using light transmitted through the skin and other tissues. This paper briefly looks at the clinical use of transillumination in the literature and gives guidance for photography. The use of transillumi-nation has been around for a long time for example from Bryant’s Practice of surgery in 1873 [1] “Is it a hydrocele or a haematocele? Is it the product of inflammation or tubercular disease? Is it a new growth altogether, and if so is it innocent in its nature or malignant? Should the tumor prove translucent by transmitted light, the exis-tence of a hydrocele may fairly be decided”.Literature ReviewIt has been used to look at the extent of fluid in an infant skull in the paper by Martin Johns [2] and using in frared transillumination to examine breast tissue and neonates [3] before improved resolution in ultrasound was available. Details about transillumination from a technical photographic perspective can be found in Ray’s book on Scientific and Applied Imaging [4].More recently it has been used in ophthalmology to visualize intraocular tumours [5] and in dermatology to look at the response of nails to treatment [6], as a bed-side aid for differentiating menigocele from myelome-nigocele [7]. As Pandita commented “The test is cheap, easily achievable and can be executed in the periphery by health care people, who do not have access to mod-Check forupdatesISSN: 2474-3682DOI: 10.23937/2474-3682/1510075Bryson. Clin Med Img Lib 2017, 3:075 • Page 2 of 3 •transillumination, Figure 2. It can be difficult to locate anatomical points and features on the testicle when looking at the transilluminated view. The transillumi-nated view was taken using fibre optic light source with a colour temperature of 3200° K, camera was a Nikon D7000 set at ¼ second at an aperture of f/8, ISO 400. As Figure 1: Normal clinical photograph showing hydrocele of the left testicle.Figure 2: Photograph showing transillumination of hydrocele of the left testicle.ISSN: 2474-3682DOI: 10.23937/2474-3682/1510075Bryson. Clin Med Img Lib 2017, 3:075 • Page 3 of 3 •diovisual Media in Medicine 4: 86-90.5. Ray S (1999) Scientific photography and applied imaging. Focal Press, London.6. Kaliyadan F & Ashique KT (2016) Nail photography: Tips and tricks. J Cutan Aesthet Surg 9: 254-257.7. Pandita A, Sharma D, Shastri S (2015) Transillumination test: A bedside aid for differentiating meningocele from my-elomeningocele: Point of care testing. Medical Journal of Dr DY Patil University 8: 276. 8. Keihani S, Hojjat A, Kajbafzadeh AM (2015) Abdomino-scrotal Hydrocele: Role of Physical Exam and Transillumi-nation in Diagnosis. J Pediatr 167: 1448-e1.9. Irfan M, Waldron R, Bolger J, Barry K (2014) Transillumina-tion: shining a light from within. BMJ case reports.the skin and tissues transmit light of long wavelengths, red part of the spectrum, so the colour temperature of the light source is unimportant. Due to this recording with the camera on auto white balance or for daylight will give the same end appearance.References1. Bryant T (1873) The practice of surgery. Henry C Lea, p583.2. Kjersem B, Krohn J (2013) Transillumination imaging of in-traocular tumours. J Vis Commun Med 36: 26-30. 3. Johns M (1979) Transillumination of the infant skull. Journal of Audiovisual Media in Medicine 2: 140-149. 4. Morton R, Miller SS (1981) Infrared transillumination using photography and television (videodioscopy). Journal of Au-

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Transillumination of testicular hydrocele.

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Transillumination of testicular hydrocele.

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