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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 1823 - 24 May - Dr Hafeez Diwan 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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Clinical History: 91 year-old male with left temple biopsy.

Case Posted by Dr Hafeez Diwan


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Admin_Dermpath

Posted

A tidy case from Dr Hafeez Diwan.

Geoff Cross - DermpathPRO Projects

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vincenzo polizzi

Posted

Circumscribed adnexial tumor, with basaloid aggregates and nice hidden shadow cells: PILOMATRICOMA. 

The patient seems too elderly for this type of pathology, but Malherbe's tumor has been described on elderly people, too.

https://www.karger.com/Article/Abstract/18040

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Robledo F. Rocha

Posted

I'm not sure about this tumor. There are suggestions of matrical differentiation, namely, aggregates of basaloid cells associated to pale areas with shadow cells-like features, but some of these pale areas represent a rather hyalinized stroma with spindled cells. On the other hand, neoplastic lobules show peripheral palisading with retraction artifact. Basal cell carcinoma with matrical differentiation may be a point.

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Dr. Mona Abdel-Halim

Posted

I have thought also of BCC with matrical differentiation.

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Dr. Hafeez Diwan

Posted

I thought this was either a BCC with metrical differentiation or malignant pilomatricoma.

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