Case Number : Case 126 Posted By: Guest

Phillip H. McKee - Overseas Consultations (Arizona, USA) Wrote:

Interesting discussion. The actual diagnosis is basaloid cells in a pilomatrixoma with lots of mitoses!! Goes to show that it is not all that easy at high power. Rodrigo you deserve an award - thank you to the rest for your differentials.

Submitted on 02/12/2010 20:40
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Mona Abdel-Halim - Dermatology Department, Faculty of Medicine, Cairo University (Egypt) Wrote:

Undifferentiated SCC, Or Large cell lymphoma. I think the cells are large for MCC. Immunohistochemistry is mandatory.

Submitted on 02/12/2010 18:49
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Marcela Saeb Lima - Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (Mexico City) Wrote:

I also thinks this is a malignant adnexal carcinoma most probably sebaceous or matical. It is too cohesive...

Submitted on 02/12/2010 17:27
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Wayne Grayson - (Johannesburg, South Africa) Wrote:

Large cell malignant neoplasm. I suspect either an undifferentiated carcinoma, a Merkel cell carcinoma or a large cell non-Hodgkin lymphoma.

Submitted on 02/12/2010 17:11
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ANDREW DANCKWERTS - WITS UNIVERSITY, JOHANNESBURG (JOHANNESBURG, RSA) Wrote:

HIGH GRADE MALIGNANT NEOPLASM. FAVOUR LARGE CELL LYMPHOMA, LIKE ANPLASTIC LARGE T-CELL LYMPHOMA. CANNOT EXLUDE LARGE CELL UNDIFFERENTIATED CARCINOMA.

Submitted on 02/12/2010 15:56
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María Antonia Pastor - () Wrote:

Lymphoma

Submitted on 02/12/2010 15:07
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Juan Carlos Garcés - Hospital Oncológico / Hospital Luis Vernaza (Guayaquil Ecuador) Wrote:

Excellent possibility Rodrigo!

Submitted on 02/12/2010 13:33
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Rodrigo Restrepo - UPB/CES (Colombia) Wrote:

Pilomatricoma, early phase

Submitted on 02/12/2010 13:14
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Juan Carlos Garcés - Hospital Oncológico / Hospital Luis Vernaza (Guayaquil Ecuador) Wrote:

Good evening... Merkel cell carcinoma vs. Lymphoepithelioma-like carcinoma..

Submitted on 02/12/2010 00:07
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Donald Critchley - (USA) Wrote:

Merkel Cell Carcinoma

Submitted on 01/12/2010 23:41
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