Pityriasis rotunda

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Pityriasis rotunda

Classification and external resources

DiseasesDB
32814

eMedicine
article/1107624

[edit on Wikidata]

Pityriasis rotunda (also known as “Pityriasis circinata”[1] and “Tinea circinata”[2]) is a disorder of keratisation of the skin that manifests as a perfectly circular, scaly patches on the torso and proximal portions of the extremities.[1] It may be associated with diseases like hepatocellular carcinoma in racially predisposed groups.[3]
See also[edit]

Skin lesion
List of cutaneous conditions

References[edit]

^ a b James, William; Berger, Timothy; Elston, Dirk (2005). Andrews’ Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0-7216-2921-0.:566
^ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. pp. Chapter 10. ISBN 1-4160-2999-0. 
^ Medscape. “Pityriasis rotunda”. WebMed LLC. Retrieved 6 July 2012. 

v
t
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Papulosquamous disorders (L40–L45, 696–697)

Psoriasis

Pustular

Generalized pustular psoriasis (Impetigo herpetiformis)
Acropustulosis/Pustulosis palmaris et plantaris (Pustular bacterid)
Annular pustular psoriasis
Localized pustular psoriasis

Other

Guttate psoriasis
Psoriatic arthritis
Psoriatic erythroderma
Drug-induced psoriasis
Inverse psoriasis
Napkin psoriasis
Seborrheic-like psoriasis

Parapsoriasis

Pityriasis lichenoides (Pityriasis lichenoides et varioliformis acuta, Pityriasis lichenoides chronica)
Lymphomatoid papulosis
Small plaque parapsoriasis (Digitate dermatosis, Xanthoerythrodermia perstans)
Large plaque parapsoriasis (Retiform parapsoriasis)

Other pityriasis

Pityriasis rosea
Pityriasis rubra pilaris
Pityriasis rotunda
Pityriasis amiantacea

Other lichenoid

Lichen planus

configuration

Annular
Linear

morphology

Hypertrophic
Atrophic
Bullous
Ulcerative
Actinic
Pigmented

site

Mucosal
Nails
Peno-ginival
Vulvovaginal

overlap synromes

with lichen sclerosus
with lupus erythematosis

other:

Hepatitis-associated lichen planus
Lichen planus pemphigoides

Other

Lichen nitidus
Lichen striatus
Lichen ruber moniliformis
Gianotti–Crosti syndrome
Eryt