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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 261 Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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Go to records June 2011

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Admin_Dermpath

Admin_Dermpath 1,217

Posted

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

As most of you suggested this is a case of lepromatous leprosy. Atypical mycobacterial infections are an important differential diagnosis as the histological features can be very similar.

Submitted on 09/06/2011 12:27
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MSMD - () Wrote:

Leprosy. DDX: dimorphous/atypical mycobacteria

Submitted on 09/06/2011 10:19
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Mona Abdel-Halim - Dermatology Department, Faculty of Medicine, Cairo University (Egypt) Wrote:

Collections of lymphocytes, histiocytes and foamy cells around adnexal structures. Will consider lepromatous spectrum of leprosy, LL or BL.

Submitted on 09/06/2011 09:15
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Eman El-Nabarawy - Cairo University (Egypt) Wrote:

I did learn every day from this wonderful site, even when cases are repeated( like that of today, and also the two previous cases 260 and 259).Thanks a lot.

Submitted on 09/06/2011 09:11
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Diana Alvarez - (The Netherlands) Wrote:

Leprosy, multibacillary. Special stains needed.

Submitted on 09/06/2011 08:13
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Marcela Saeb Lima - Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán (Mexico City) Wrote:

Granulomatous dermatitis with scattered plasma cells, would consider leprosy. Other differential diagnoses: atypical mycobacteria cutaneous infection, fungal infection, however in this pic I do not see any.

Submitted on 09/06/2011 08:10
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ANDREW DANCKWERTS - NHLS, WITS UNIVERSITY (JOHANNESBURG, RSA) Wrote:

GRANULOMATOUS DERMATITIS. I FAVOUR AN INFECTIOUS AETIOLOGY, MOST LIKELY A DEEP FUNGAL INFECTION, SUCH AS SPOROTRICHOSIS. HOWEVER, I WOULD REQUIRE SPECIAL STAINS (ZIEHL-NEELSEN, PAS AND GROCOTT) TO DIFFERENTIATE BETWEEN THE OTHER DIFFERENTIAL DIAGNOSES :- MYCOBACTERIAL INFECTION; ATYPICAL MYCOBACTERIAL INFECTION; FOREIGN BODY. ALSO, IN VIEW OF THE CLOSE ASSOCIATION WITH BLOOD VESSELS, GRANULOMATOUS VASCULITIS MAY ALSO REQUIRE CONSIDERATION.

Submitted on 09/06/2011 07:42
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