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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 1605 - 19 August Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
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F30. Anal polyp.

Case Posted by Dr Richard Carr


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vincenzo polizzi

Posted

Cellular Angiofibroma of the anal canal.

 

Cellular angiofibroma: analysis of 25 cases emphasizing its relationship to spindle cell lipoma and mammary-type myofibroblastoma

Uta Flucke1, J Han JM van Krieken1 and Thomas Mentzel2

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Dr. Mona Abdel-Halim

Posted

I was going to call it angiomyofibroblastoma. I think there is some similarities between angiomyofibroblastoma and cellular angiofibroma. May be it is better to be called cellular angiofibroma as Vincenzo said especially with the interesting article he has cited.

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Arti Bakshi

Posted

Yes, cellular angiofibroma my first thought too. The vascular pattern is quite typical.

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Admin_Dermpath

Posted

A further 7 images have just been uploaded to this Spot Diagnosis Case.

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vincenzo polizzi

Posted

I think CA is a reasonable diagnosis according to the bland spindle cell population associated with numerous small- to medium-sized blood vessels, ER positive and RESEMBLING MAMMARY TYPE ANGIOMYOFIBROBLASTOMA.

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Dr. Richard Carr

Posted

Yes we thought this was cellular angiofibroma and Raul was consulted by e-mail too and agreed with our diagnosis.

ER seems to be positive in around 2/3rds

Mandato et al Diag. Pathology 2015; 10: 114

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