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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 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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Go to records August 2014

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Guest Tiberiu Tebeica

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

Robledo F. Rocha 336

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

Dr. Mona Abdel-Halim 508

Posted

Fibroma of tendon sheath

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Guest Romualdo

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

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Dr. Hafeez Diwan

Dr. Hafeez Diwan 125

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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