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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 3068 - 11 April 2022 Posted By: Dr. Mona Abdel-Halim

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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M, 8 years, Annular patches with erythematous/hyperpigmented borders and hypopigmented centers of 3 months duration over the lower abdomen and inguinal folds.


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Anil Patki

Posted

Looks like annular lichen planus. However, I would do a PAS stain to rule out tinea incognito.

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vincenzo

Posted

I don’t see any apoptotic bodies, or other aggressive autoimmune features of dermoepidermal interface. It seems a "passive epidermotropism”. Not sure, but I seem to see some nuclear atypia of lymphocytes. It needs to rule out a hypopigmented variant of MF, or am I wrong?

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Eman El-Nabarawy

Posted

Annular lichenoid dermatitis of youth.

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Shawn

Posted

Agree with annular lichenoid dermatitis, action is primarily at the tips of rete, also location fits. Inflammatory vitiligo would be another possibility. Would like to see melanocytic marker (for retained melanocytes r/o vitiligo) and lymphocyte markers/TCR proving polyclonality. 

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Mohamed khaled

Posted

On 12/04/2022 at 20:12, Shawn said:

Agree with annular lichenoid dermatitis, action is primarily at the tips of rete, also location fits. Inflammatory vitiligo would be another possibility. Would like to see melanocytic marker (for retained melanocytes r/o vitiligo) and lymphocyte markers/TCR proving polyclonality. 

Concur

challinging case

The clinicopathological correlation and follow up of such cases is very important although your discription is in favour of inflammatory vitiligo, three zones of hypopigmentatiin, erythema and hyperpigmentation.

I would like to see the clinical picture of the patient, if possible.

Thanks for sharing.

 

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Chirag Desai

Posted

annular lichenoid dermatosis of youth

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vincenzo

Posted

You Guys are right. Age, 3 months duration and clinical features dont’t fit MF and fit instead ALD of youth, or Inflammatory Vitiligo. I didn’t know these lesions, before. Thanks for your comments. 

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