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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 1053 - 7th July Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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The patient is a 65 year old white woman with a shave biopsy from the frontal scalp.

Case posted by Dr. Mark Hurt

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Dr. Mona Abdel-Halim


Yes, spiradenoma

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Robledo F. Rocha



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Guest Jim Davie MD


Infiltrative variant of spiradenoma.

(same cytology and nest architecture as original, no atypia/mitoses/inflammatory reaction).
In cases of rare malignant degeneration to spiradenocarcinoma, there is usually significant cytologic atypia, mitotic activity and/or necrosis.

Occasional infiltration into subcutaneous tissue has been described in spiradenoma.
[font=tahoma,geneva,sans-serif][ a case report with photos (free access): [/font]
[font=tahoma,geneva,sans-serif]Dermatol Surg. Nov 2013; 39(11): 1711–1714. [url="http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4065362/"]http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4065362/[/url] ][/font]

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