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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 1700! You can review the archived cases and read the suggested diagnoses by users and the final comment by Dr Uma Sundram, the Editor-in-Chief and main spot diagnosis host. Case are uploaded each week day by 10 a.m. UK time with the correct diagnosis will generally be posted at 8 p.m. UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

Case Number : Case 878 - 30th October Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
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Back biopsy from a 27-year-old female. The clinical is “rule out pityriasis rosea.”

Case posted by Dr. Hafeez Diwan


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Guest Romualdo

Posted

Guttate psoriasis. GMS is indicated for exclusion of fungal infection.

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Love inflammatory disease. I also agree with Guttate psoriasis. It is often a differential diagnosis with PR, but this last one does not show corneal neutrophils (unless associated with secondary infection) and there is a "mound-type" parakeratosis.
Guttate psoriasis more frequently shows spongiosis and less regular acanthosis.

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Guest Juan Carlos Garcés, Ecuador

Posted

[u]Psoriasis, rule out superficial micosis[/u]

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Robledo F. Rocha

Posted

Dermatitis with pityriasiform pattern showing extensive hypogranulosis, subcorneal spongiform pustule, and microabscesses at the summits of parakeratotic mounds. If GMS or PAS stain results negative for fungal organisms, the diagnosis should be guttate psoriasis, as pointed above by Dr. Romualdo and others.
I would be interested to learn about a history of recent streptococcal infection in this patient.

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Dr. Hafeez Diwan

Posted

Yes, this is guttate psoriasis. There was no history of recent streptococcal infection.

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