Pathology
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Atlas of dermatopathology
Josef Feit, Hana Jedličková, Günter Burg, Luděk Matyska, Spasoje Radovanovic et al.
Index
Contents
Authors
ExpSys: non-tumors
ExpSys: tumors
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+ Introduction
+ Literature
+ Support
+ Skin biopsy
+ Non-tumorous skin diseases
+ Skin tumors
+ Cysts of the skin and subcutis
+ Soft tissue lesions
+ Some lesions of the oral cavity
+ Dermatovenerology
+ Collection of histological slides by prof. Günter Burg
+ Collection of histological slides by prof. Werner Kempf
+ Collection of histological slides of dr. Ram Chandra Adhikari
Pityriasis rubra pilaris
Clinical signs
  • rare, onset at any age, chronic course
  • the entire body, islands of uninvolved skin
  • follicular keratotic papules
  • erythema, scaling
  • hyperkeratosis especially on the palms and soles
  • juvenile, adult, limited forms
  • tendency to erythroderma
Pictures

Pityriasis rubra pilaris, islands of uninvolved skin: Pityriasis rubra pilaris, Clinical picture (879)

Pityriasis rubra pilaris: Pityriasis rubra pilaris, Clinical picture (880)

Pityriasis rubra pilaris: Pityriasis rubra pilaris, Clinical picture (881)

Pityriasis rubra pilaris: Pityriasis rubra pilaris, Clinical picture (882)

Pityriasis rubra pilaris: Pityriasis rubra pilaris, Macro (3908) Pityriasis rubra pilaris, Macro (3916) Pityriasis rubra pilaris, Macro (3917) Pityriasis rubra pilaris, Macro (3919) Pityriasis rubra pilaris, Macro (3923) Pityriasis rubra pilaris, Macro (3910) Pityriasis rubra pilaris, Macro (3911) Pityriasis rubra pilaris, Macro (3913) Pityriasis rubra pilaris, Macro (3914)

Histology

Acanthosis (broad, thicker than in psoriasis), hyperkeratosis (especially palmoplantar), focal parakeratosis (often perifollicular and within the openings of the sweat glands), preserved granular layer, thickened suprapapillary plates, follicular plugging.

Histological picture is quite variable.

Pictures

Pityriasis rubra pilaris: Pityriasis rubra pilaris, HE 10x (523) Pityriasis rubra pilaris, HE 10x (524)

Another case: Pityriasis rubra pilaris, HE 10x (1634) Pityriasis rubra pilaris, HE 20x (1635)

Another case: Pityriasis rubra pilaris, PRP, HE 20x (4956)

Another case, no parakeratosis: Pityriasis rubra pilaris, PRP, HE 20x (4957)

Another case: Pityriasis rubra pilaris, PRP, HE 20x (5243) Pityriasis rubra pilaris, HE 10x (1594)

Another case: Pityriasis rubra pilaris, PRP, HE 20x (5242)

Another case: Pityriasis rubra pilaris, PRP, HE 40x (12932) Pityriasis rubra pilaris, HE 20x (5401)

Another case: Pityriasis rubra pilaris, PRP, HE 40x (12932)

Another case: Pityriasis rubra pilaris, PRP, HE 40x (12630)

Another case: Pityriasis rubra pilaris, HE 20x (1593)

Another case: Pityriasis rubra pilaris, HE 40x (5476)