Difference between revisions of "Pityriasis rubra pilaris"
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==Microscopic== | ==Microscopic== | ||
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". | |||
*+/-Eosinophils (common). | |||
*Follicular plugging. | |||
*[[Acantholysis]].<ref name=pmid23286804/> | |||
===Images=== | ===Images=== | ||
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==Stains== | ==Stains== | ||
*[[PASD stain|PASD]] -ve for fungal organisms.<ref name=pmid23286804/> | |||
==IHC== | ==IHC== | ||
Revision as of 06:07, 24 September 2014
| Pityriasis rubra pilaris | |
|---|---|
| Diagnosis in short | |
| Site | skin - see inflammatory skin disorders |
|
| |
| Prevalence | uncommon |
Pityriasis rubra pilaris, abbreviated PRP, is an uncommon inflammatory skin disorder.
General
Gross
Microscopic
Features:[1]
- Alterating orthokeratosis and parakeratosis - known as "checkerboard pattern".
- +/-Eosinophils (common).
- Follicular plugging.
- Acantholysis.[3]
Images
Stains
IHC
Molecular
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See also
References
- ↑ 1.0 1.1 Marrouche, N.; Kurban, M.; Kibbi, AG.; Abbas, O. (Apr 2014). "Pityriasis rubra pilaris: clinicopathological study of 32 cases from Lebanon.". Int J Dermatol 53 (4): 434-9. PMID 24783259.
- ↑ Mercer, JM.; Pushpanthan, C.; Anandakrishnan, C.; Landells, ID.. "Familial pityriasis rubra pilaris: case report and review.". J Cutan Med Surg 17 (4): 226-32. PMID 23815954.
- ↑ 3.0 3.1 3.2 Leger, M.; Newlove, T.; Robinson, M.; Patel, R.; Meehan, S.; Ramachandran, S. (Dec 2012). "Pityriasis rubra pilaris.". Dermatol Online J 18 (12): 14. PMID 23286804.