Case Number : Case 352 Posted By: Guest

Phillip McKee - Overseas consultations (Cave Creek, Arizona, USA) Wrote:

Most of you got the correct diagnosis. Primary cutaneous MCC with squamous differentiation. The diagnosis was confirmed with immunohistochemistry. Have a great weekend.

Submitted on 14/10/2011 12:25

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Mona Abdel Halim - Dermatology Dept. Cairo University. (Egypt) Wrote:

I like the idea of MCC with squamous differentiation!!!!!!

Submitted on 14/10/2011 11:51

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Bostjan Luzar - Institute of Pathology, Medical Faculty University of Ljubljana (Ljubljana, Slovenia) Wrote:

Merkel cell carcinoma with squamous differentiation

Submitted on 14/10/2011 08:19

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Hazem Hamed - Department of Histopathology, Imperial College (LONDON) Wrote:

Spindle cell epithelial tumour with thymic-like differentiation (SETTLE)should also be considered.

Submitted on 14/10/2011 08:11

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Hazem Hamed - Department of Histopathology, Imperial College (London) Wrote:

In the Differential diagnosis I would like to add (Thymic carcinoma, the last image shows Hassal's corpuscle) and immuno is required.

Submitted on 14/10/2011 07:34

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Rodrigo Restrepo - UPB/CES (Mdlln/Col) Wrote:

Merkel cell carcinoma

Submitted on 14/10/2011 07:17

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Sharmila - Queen Elizabeth, Birmingham () Wrote:

Could also be metastatic. Definitely needs immunohistochemistry!

Submitted on 14/10/2011 06:39

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Marwa Fawzi - Dermatology Department, Faculty of Medicine, Cairo University (Egypt) Wrote:

First thought was B cell lymphoma ,but i was shocked from diversity in other comments from my beloved colleagues !!

Submitted on 14/10/2011 06:25

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Eman El-Nabarawy - Cairo University (Egypt) Wrote:

Epithelioid angiosarcoma vs melanoma.

Submitted on 14/10/2011 05:47

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Eman El-Nabarawy - Cairo University (Egypt) Wrote:

Epithelioid angiosarcoma vs melanoma.

Submitted on 14/10/2011 05:47

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Mona Abdel Halim - Dermatology Dept. Cairo University (Egypt) Wrote:

Poorly differentiated SCC

Submitted on 14/10/2011 05:11

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Marcela Saeb Lima - INCMNSZ (Mexico City) Wrote:

B cell lymphoma vs Merkel cell carcinoma

Submitted on 14/10/2011 05:10