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Difference between revisions of "Pityriasis rubra pilaris"
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Pityriasis rubra pilaris (view source)
Revision as of 11:46, 29 September 2014
, 11:46, 29 September 2014→Histologic DDx
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*Psoriasis vulgaris <ref name=pmid18418089>{{Cite journal | last1 = Brinster | first1 = NK. | title = Dermatopathology for the surgical pathologist: a pattern based approach to the diagnosis of inflammatory skin disorders (part I). | journal = Adv Anat Pathol | volume = 15 | issue = 2 | pages = 76-96 | month = Mar | year = 2008 | doi = 10.1097/PAP.0b013e3181664e8d | PMID = 18418089 }}</ref> - thinned suprapapillary plates, hypogranulosis, neutrophils in the stratum corneum, dilated papillary dermal blood vessels, acantholysis absent | *Psoriasis vulgaris <ref name=pmid18418089>{{Cite journal | last1 = Brinster | first1 = NK. | title = Dermatopathology for the surgical pathologist: a pattern based approach to the diagnosis of inflammatory skin disorders (part I). | journal = Adv Anat Pathol | volume = 15 | issue = 2 | pages = 76-96 | month = Mar | year = 2008 | doi = 10.1097/PAP.0b013e3181664e8d | PMID = 18418089 }}</ref> - thinned suprapapillary plates, hypogranulosis, neutrophils in the stratum corneum, dilated papillary dermal blood vessels, acantholysis absent | ||
*Lichen simplex chronicus - usually a localized process, not a widespread process. | *Lichen simplex chronicus - usually a localized process, not a widespread process. | ||
*Darier disease - acantholysis is prominent with corps ronds and grains, follicular plugging absent | *Darier disease - acantholysis is prominent with corps ronds and grains, follicular plugging absent. | ||
*Pemphigus vulgaris - PRP with extensive acantholysis could mimic - IF will be negative in PRP | |||
*Hailey-Hailey - Falling brick wall pattern of acantholysis. | |||
*Seborrhoeic dermatitis - more spongiotic, often with neutrophils. | *Seborrhoeic dermatitis - more spongiotic, often with neutrophils. | ||
*[[Dermatophtosis|Fungal infection]]. | *[[Dermatophtosis|Fungal infection]]. | ||