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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 4000! You can review the archived cases and read the suggested diagnoses by users and the final comment by the contributors.
Case are uploaded each week day by 10 am UK time with the correct diagnosis will generally be posted at 8 pm UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

Case Number : Case 2964 - 16 November 2021 Posted By: Uma Sundram

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55 year old female with hair loss. This is the only inflamed follicle.

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Requires clinical correlation. Is the alopecia diffuse or patchy ? Sebaceous glands are not seen implying a scarring alopecia. An "orphan" arrector pilorum muscle is seen in the dermis. The hair follicle with it's root in the subcutaneous fat is an anagen follicle with surrounding lymphocytic infiltrate which spills somewhat in the fat lobule. There is no evidence of lichenoid infiltrate. These findings are suggestive of scarring alopecia due to discoid lupus erythematosus.

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Uma Sundram


LPP. I agree that DLE is a consideration. Clinically a scarring alopecia. We often get biopsies of scarred or non active areas of alopecia. Luckily in this case, several adnexal areas were available that were not inflamed, allowing us to favor LPP.

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