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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 3059 - 29 March 2022 Posted By: Uma Sundram

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73 year old female with history of breast carcinoma, now with new eyelid lesion.


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Infiltrating atypical cells with CK reactivity, would confirm with GATA3/ER/CK7

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Histiocytoid ( signet ring cell ) Carcinoma of the eyelids. p63/GATA3, but overall CPC, to rule out mets breast ILC. 

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msofopoulos

Posted

On 31/03/2022 at 15:46, vincenzo said:

Histiocytoid ( signet ring cell ) Carcinoma of the eyelids. p63/GATA3, but overall CPC, to rule out mets breast ILC. 

Agree! Monocle tumors are quite rare and look alot like lobular Ca but they are E--Cadherin positive. We should rule out ILC first (what was the histology of the breast ca?)

 

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Uma Sundram

Posted

The patient had a lesion of metastatic breast carcinoma on this location, and this is a recurrence. CK7+gata+. Easy to miss-there were only about 8 cells in total. Reminder that ILC can be quite subtle in an unusual location.

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