Case Number : case 67 Posted By: Guest

ANDREW DANCKWERTS - WITS UNIVERSITY (JOHANNESBURG, RSA) Wrote:

HIDROACANTHOMA SIMPLEX.

Submitted on 13/09/2010 12:49
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Francisco Morales Rodriguez - Hospital General de Puebla (Puebla. Mexico) Wrote:

i think is ecrine poroma

Submitted on 11/09/2010 00:52
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Phillip McKee - Overseas Consultations (Arizona, USA) Wrote:

Well done everyone! I like your differentials and as you rightly say the diagnosis is hidroacanthoma simplex. Have a lovely weekend and I will see you Monday.

Submitted on 10/09/2010 20:57
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Marcela Saeb Lima - MSLDermatopato (Mexico City) Wrote:

Hidroacanthoma simplex vs clonal seb keratosis, nice Borst Jadassohn phenomenon....

Submitted on 10/09/2010 17:23
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Eman El-Nabarawy - Cairo University (Egypt) Wrote:

Dear Dr Carlos: Sorry for the late response.Actually I'm out now. Sting sign means the characteristic straight lower border of the lesion of seborrheic keratosis so as you can draw a line between both ends of the lesion passinng by its centre. I read this comment in the practical Dermatopathology textbook of Rapini.

Submitted on 10/09/2010 17:04
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Wayne Grayson - (Johannesburg, South Africa) Wrote:

Hidroacanthoma simplex.

Submitted on 10/09/2010 16:45
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Juan Carlos Garcés - Hospital Oncológico / Hospital Luis Vernaza (Guayaquil Ecuador) Wrote:

Sorry for the spelling.. may I ask what is the sting sing?

Submitted on 10/09/2010 14:15
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Juan Carlos Garcés - Hospital Oncológico / Hospital Luis Vernaza (Guayaquil Ecuador) Wrote:

Good morning.. me I ask what is the sting sign?

Submitted on 10/09/2010 14:12
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Lushen Pillay - Wits Dermatology, South Africa (South Africa) Wrote:

Hi, First thing that came to mind was a Bowens or Seb Keratosis.

Submitted on 10/09/2010 13:08
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Phillip McKee - Overseas consultations (Arizona, USA) Wrote:

Good morning all. You obviously like this case and are doing well.

Submitted on 10/09/2010 10:18
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Marwa Fawzi - Dermatology Department, Faculty of Medicine, Cairo University (Egypt) Wrote:

HIdroacantoma simplex with nice Borst Jadassohn phenomenon.Thank you

Submitted on 10/09/2010 09:16
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Charles Edwin - (UK) Wrote:

Beautiful case. Excellent website. Very high quality cases and great discussion. It is a shame we dont have more people contributing. I also think this is hidroacanthoma simplex.

Submitted on 10/09/2010 07:39
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Mona Singh - (UK) Wrote:

Stunning image. Very subtle entity. I think the cells look very poroid and would also go for hidroacanthoma simplex.

Submitted on 10/09/2010 07:38
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Mona Abdel-Halim - Dermatology Department, Faculty of Medicine, Cairo University (Egypt) Wrote:

Eman, I loved your comment of the sting sign. I agree in favouring Hidroacanthoma simplex.

Submitted on 10/09/2010 06:29
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Eman El-Nabarawy - Cairo University (Egypt) Wrote:

Favor hidroacanthoma simplex.Can't see the sting sign characteristic of seborrhic keratosis.

Submitted on 10/09/2010 06:10
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Mona Abdel-Halim - Dermatology Department, Faculty of Medicine, Cairo University (Egypt) Wrote:

Well defined nests of morphologically different cells within a hyperkeratotic acanthotic epidermis. This is called Borst Jadassohn phenomenon. This phenomenoa occurs in a variety of conditins such as: clonal seborrheic keratosis, Hidroacanthoma simplex, some cases of epidermal nevi, as well as some cases of Bowen's disease, actinic keratosis and intraepidermal malignant eccrine poroma. In this particular picture I am thinking of either hidroacanthoma simplex or clonal seborrheic keratosis.

Submitted on 10/09/2010 04:56
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Juan Carlos Garcés - Hospital Oncológico / Hospital Luis Vernaza (Guayaquil Ecuador) Wrote:

Good evening sir. HIdroacantoma simplex?

Submitted on 10/09/2010 00:30
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