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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 1174 - 23rd December Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
   (0 reviews)

1 year old boy with solitary erythematous small nodule on back.

Case posted by Dr Uma Sundram


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User Feedback


Guest Jim Davie MD

Posted

Agree with mastocytoma, given clinical history. Differential diagnosis would include granular cell tumor.

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Uma Sundram

Posted

[img]https://dermpathpro.com/uploads/spot_diagnosis_comment_img/Case%201174%20-%20SD_USP_026%20F3.jpg[/img]

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Uma Sundram

Posted

[img]https://dermpathpro.com/uploads/spot_diagnosis_comment_img/Case%201174%20-%20SD_USP_026%20F4.jpg[/img]

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Uma Sundram

Posted

[img]https://dermpathpro.com/uploads/spot_diagnosis_comment_img/Case%201174%20-%20SD_USP_026%20F5.jpg[/img]

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Uma Sundram

Posted

Mastocytoma is the right answer. I thought you might like to look at CD117 (immuno 1), mast cell tryptase (immuno 2) and MiTF (immuno 3).

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