Case Number : Case 38 Posted By: Guest

Juan Carlos Garcés - ION / HLV (Guayaquil, Ecuador) Wrote:

Good afternoon... melanoma... in situ in this field..

Submitted on 02/08/2010 20:38
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Ana Cristina Ruiz - Universidad CES (Medellín, Colombia) Wrote:

Balloon cell melanoma

Submitted on 02/08/2010 18:39
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Marcela Saeb Lima - MSLDermatopato (Mexico City) Wrote:

Balloon cell melanoma

Submitted on 02/08/2010 18:22
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Rodrigo Restrepo - UPB (Mdlln / Colombia) Wrote:

Balloon cell melanoma

Submitted on 02/08/2010 16:36
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Phillip McKee - Overseas consulations (USA) Wrote:

Good morning from a very wet Sedona in Northern Arizona. I am obviously not going to catch out you guys today!! Phillip

Submitted on 02/08/2010 14:48
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Wayne Grayson - (Johannesburg, South Africa) Wrote:

I think this shows part of a balloon cell melanoma.

Submitted on 02/08/2010 13:55
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Amira Tawdy - Cairo University (Egypt) Wrote:

I think it could be invasive form of superficial spreading melanoma which is characterised by epitheliod atypical melanocytes with pleomorphism and evident mitotic figures yet I liked so much balloon cell melanoma as another DD and I read about it , it really goes a lot with that photo because of the abundant clear cells there looking for the correct answer!

Submitted on 02/08/2010 11:17
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Kevin Osborne - (US) Wrote:

At first look this is a clear cell tumor which appears to infiltrate the dermis. There is a suggestion of pigment which is fine and most likely to be melanin. Based on this and the atypia of the cells I would favour ballon cell melanoma. If the pigment was less conspicious I would consider other clear cell tumors including PECOMA. A very clear and illustrative image Dr McKee.

Submitted on 02/08/2010 08:08
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Mona Abdel-Halim - Dermatology Department, Faculty of Medicine, Cairo University (Egypt) Wrote:

I like the idea of balloon cell melanoma. Actually I thought of it but I was not sure as the cytoplasm of many of the cells is granular. In Egypt we seldom see melanomas!!! It is so intersting to read and learn from other dermatopathologists all over the world. Great effort Dr. Mckee. Thanks!!

Submitted on 02/08/2010 05:22
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Yvonne Bury - (UK) Wrote:

Large epitheloid cells with clear to granular cytoplasm and pigmentation, adjacent to keratinocytes; I favour balloon cell melanoma. Great picture.

Submitted on 02/08/2010 00:42
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Mona Abdel-Halim - Dermatology Department, Faculty of Medicine, Cairo University (Egypt) Wrote:

I think this is a part of a melanoma (superficial spreading, pagetoid melanoma)

Submitted on 01/08/2010 20:55
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Eman El-Nabarawy - Dermatology Department,Faculty of Medicine, Cairo university. (Egypt.) Wrote:

Pagetoid Bowen's disease.DD Pagetoid melanoma.

Submitted on 01/08/2010 20:23
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