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Difference between revisions of "Pityriasis rubra pilaris"
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Pityriasis rubra pilaris (view source)
Revision as of 11:27, 29 September 2014
, 11:27, 29 September 2014no edit summary
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Features:<ref name=pmid24783259>{{Cite journal | last1 = Marrouche | first1 = N. | last2 = Kurban | first2 = M. | last3 = Kibbi | first3 = AG. | last4 = Abbas | first4 = O. | title = Pityriasis rubra pilaris: clinicopathological study of 32 cases from Lebanon. | journal = Int J Dermatol | volume = 53 | issue = 4 | pages = 434-9 | month = Apr | year = 2014 | doi = | PMID = 24783259 }}</ref> | Features:<ref name=pmid24783259>{{Cite journal | last1 = Marrouche | first1 = N. | last2 = Kurban | first2 = M. | last3 = Kibbi | first3 = AG. | last4 = Abbas | first4 = O. | title = Pityriasis rubra pilaris: clinicopathological study of 32 cases from Lebanon. | journal = Int J Dermatol | volume = 53 | issue = 4 | pages = 434-9 | month = Apr | year = 2014 | doi = | PMID = 24783259 }}</ref> | ||
*Alterating [[orthokeratosis]] and [[parakeratosis]] - known as "checkerboard pattern". | *Alterating [[orthokeratosis]] and [[parakeratosis]] - known as "checkerboard pattern". | ||
*Marked uniform [[acanthosis]] with broad dermal papillae and broad epidermal ridges | *Marked uniform [[acanthosis]] with broad dermal papillae and broad epidermal ridges. | ||
*Follicular plugging. | *Follicular plugging. | ||
*+/-Eosinophils (common). | *+/-Eosinophils (common). | ||
*Scattered foci of [[ | *Scattered foci of [[acantholysis]].<ref name=pmid23286804/> | ||
*Occasional mild spongiosis. | |||
DDx | ==Histologic DDx== | ||
*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> | *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> | ||
*Darier disease. | *Darier disease. | ||
*Seborrhoeic dermatitis. | *Seborrhoeic dermatitis. | ||
*[[Dermatophtosis|Fungal infection]]. | |||
==Associated Diagnoses== | |||
*HIV infection - recalcitrant PRP | |||
===Images=== | ===Images=== | ||