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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 1700! You can review the archived cases and read the suggested diagnoses by users and the final comment by Dr Uma Sundram, the Editor-in-Chief and main spot diagnosis host. Case are uploaded each week day by 10 a.m. UK time with the correct diagnosis will generally be posted at 8 p.m. UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

Case Number : Case 2614 - 14 July 2020 Posted By: Uma Sundram

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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94 year old female with right ear lesion.


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Richard Logan

Posted

There doesn't seem to be any evidence of a tumour so this must be chondrodermatitis nodularis.  It is quite common for there to be a small dimpled erosion overlying the lesion, but here the cartilage is protruding completely through a break in the epidermis, unless this is a processing artefact.

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Richard Logan

Posted

For some reason in women, these lesions are just as common, if not more common on the ante-helix rather than the helix of the ear.  I think it is more accurate just to call it chondrodermatitis nodularis unless the anatomical site has been specified on the request form.

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Uma Sundram

Posted

Chondrodermatitis nodularis helicis. 

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Dr. Richard Carr

Posted

I use "chondrodermatitis" only but a shorter snappier name would be better! I've started using acronyms in my reports. For example I simple use BCC now when the clinician uses the term in the clinical) so "CDNH" would be acceptable if the clinician had used the term in the clinical information.

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