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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 1075 - 6th 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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68 year-old female with “Achilles mass”.

Case posted by Dr. Hafeez Diwan.


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Guest Tiberiu Tebeica

Posted

A paucicellular, circumscribed mass of spindled and stellated fibroblasts lying in a dense, amorphous, deeply eosinophilic stroma, in this location, fits well for a collagenous fibroma (desmoplastic fibroblastoma).

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Robledo F. Rocha

Posted

This lesion has some characteristics that make hard the distinction between desmoplastic fibroblastoma and fibroma of tendon sheath, namely spindled and stellate fibroblasts embedded in a dense fibrocollagenous stroma. Despite the paucity of slitlike vessels, I favor fibroma of tendon sheath because the case history of tendon attachment and the relative hypercellularity.

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Dr. Mona Abdel-Halim

Posted

Fibroma of tendon sheath

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Guest Romualdo

Posted

I think in fibromas of tendon sheath even the most collagenized areas show more numerous blood vessels and more fibroblasts at least surrounding these vessels. My vote is for collagenous fibroma (desmoplastic fibroblastoma).

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Collagenous fibroma (desmoplastic fibroblastoma), mostly based on the stroma, which is more voluminous and hyalinised.

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Dr. Hafeez Diwan

Posted

My differential was between fibroma of tendon sheath and desmoplastic fibroflastoma. I couldn't show all the areas, but there were others with more slit-like vessels. So I went with fibroma of tendon sheath.

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