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?

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Case Number : Case 1897 - 05 Sept - Dr Uma Sundram Posted By:

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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70 year old woman with lesion on right thumb.

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User Feedback

Considering the age of the patient and the site of the lesion, a subepidermal calcified nodule or calcification in lesions of scleroderma (CREST) or MCTD with transepidermal elimination are the possibilities

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Uma Sundram

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Dr. Pakti got it right! I did not share that the patient has a history of Raynaud's/scleroderma, and this is indeed an example of calcification in the setting of MCTD with transepidermal elimination.

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