The patches are usually lighter than the surrounding skin, but sometimes may be darker, and are covered by fine, adherent scales. Pityriasis rotunda may prove to be a useful cutaneous marker of hepatocellular carcinoma in south african blacks. Familial pityriasis rotunda, international journal of. It is relatively common in hot, humid climates and mainly seen in the uk during spells of hot humid weather. Dermis pityriasis rubra pilaris devergie information on. Pityriasis rosea is a selflimiting rash, in other words it goes away on its own without any treatment. Pityriasis rotunda is a rare skin disease that is characterized by hyper or hypopigmented, nummular, welldemarcated, scaly plaques that involve the trunk and extremities 1, 2, 3. Pityriasis rosea is a viral rash which lasts about 612 weeks. Japanese investigators reported 181 cases of pityriasis rotunda in 1960. Volume 142, issue 12, supplement, december 2015, pages s631s632. Since then, its occurrence has been documented worldwide.
It is characterised by a herald patch followed by similar, smaller oval red patches that are located mainly on the chest and back. Pityriasis rotunda genetic and rare diseases information. Pityriasis rotunda associated with hepatocellular carcinoma. Pityriasis rubra pilaris is an erythematosquamous eruption characterized by the association of palmoplantar keratoderma, follicular plugging and erythematous perifollicular papules which may progress to plaques or erythroderma. The disease is manifested by strictly circular scaly brownish patches, darker or lighter than the surrounding skin, of variable number and diameter. Pityriasis rotunda is a relatively rare condition that was first described as pityriasis circinata in 19 in japanese patients. Pr may occur at any age but more often in people from 10 to 35 years old. Jul 17, 2019 pityriasis rotunda is a wellknown condition in south africa, japan, and italy, with the first known reported case from japan in 1906. Pdf pityriasis rotunda is an uncommon dermatosis with an unusual geographic. Pityriasis lichenoides chronica pityriasis lichenoides chronica is an uncommon skin disorder that presents with recurrent approach to the patient with an intertriginous skin disorder stain demonstrating grampositive filaments and rods confirms the diagnosis pityriasis rosea occasionally, pityriasis rosea can present as well. Pityriasis versicolor resembling pityriasis rotunda request pdf.
Pityriasis rotunda has been most commonly associated with tuberculosis, nonlymphoproliferative neoplasms such as hepatocellular carcinoma and gastric carcinoma, and malnutrition. Pitiriasis rotunda en colombia asocolderma revista. The boy and the elder sister had been suffering for over 4 years, while the younger sister was in. Pityriasis rosea is a common harmless skin rash usually occurring between the ages of 10 and 35 but which may occur at any age. Turkey 2 ege university, department of dermatology, izmir. Jul 17, 2019 pityriasis rotunda pr is an idiopathic, chronic dermatosis that features characteristic discrete, round, scaly, pigmented patches. Pityriasis rotunda, international journal of dermatology 10. Pityriasis rosea primary care dermatology society uk.
The condition occurs only in association with certain serious systemic illnesses, usually tuberculosis, or malignant neoplasms or less severe diseases of the. Two types of pityriasis rotunda have been described. This rare condition has been previously described in japan. The condition was initially described in japan by toyama in 1906 and was termed tinea circinata 4, 5. The patches are usually lighter than the surrounding skin, but. Obligate and facultative paraneoplastic dermatoses. It can affect anyone, but its more common in older children and young adults aged 10 to 35. The disease lasts from several months to more than 20 years, with reports of exacerbation during winter months. Although pityriasis rosea may occur in more than one person in a household at a time, it is not thought to spread from one person to another. The leading primary care society for dermatology and skin surgery. Pdf pityriasis rotunda is described as persistent, large, sharply defined circular patches of dry ichthyosiform scaling with no. There appear to be two types of pityriasis rotunda.
Commenting in a letter to the archives, lewis suggested that pityriasis rotunda may be a variant of tinea corporis. The trip database provides clinical publications about evidence. Type i is seen mainly in oriental and black patients older than 60 years and is often associated with internal disease or malignancy. Pityriasis rotunda has been described in association with many underlying diseases, both benign and malignant, as well as. It begins with a solitary red to tan plaque herald plaque, usually on the trunk, arms, or thighs, which is followed by similar but smaller papular or macular lesions. Pityriasis rotunda in childhood pityriasis rotunda in childhood ena, p cerimele, d. Pityriasis rotunda primary care dermatology society uk. Pityriasis rotunda is a rare skin disease characterized by round, scaly. Pityriasis rosea is a relatively common skin condition that causes a temporary rash of raised red scaly patches on the body.
Pityriasis rotunda au cours dun cancer du pancreas metastatique. Rarely, hepatic cirrhosis, leprosy, endometriosis, and familial g6pd deficiency can be associated with pityriasis rotunda. The rash usually begins gradually, with a single herald patch, followed by a more widespread rash on the back. Pityriasis rotunda 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. It most commonly affects young adults but can affect all ages. In tropical countries prevalence has been estimated to be as high as 3040%, whereas in the uk it is around 14%. It is larger than subsequent lesions, usually 2 to 5 cm in diameter, brightred with fine scale and a sharply demarcated border. We describe the clinical and biochemical findings of two patients with multiple myeloma, who were incidentally diagnosed with pr, and detail the clinical conditions with which this rare paraneoplastic phenomenon may be associated. Pityriasis rotunda is a rare skin disease characterized by round or. Initially, the disorder is characterized by elevated erythematous spots papules on the skin. Pityriasis rosea pitihryeahsis rozea abbreviated pr is a distinctive rash that spreads over your abdomen, back and chest. The boy and the elder sister had been suffering for over 4 years, while the younger sister was in her first year of the disease. Pityriasis rotunda is a wellknown condition in south africa, japan, and italy, with the first known reported case from japan in 1906.
Detroit, mi pityriasis rotunda is an uncommon cutaneous disorder consisting of asymptomatic, perfectly circular, scaling plaques on the tnmk and extremities. Turkderm turkish archives of dermatology and venereology. In most cases, pityriasis rosea begins with coldlike symptoms. Pityriasis rotunda, international journal of dermatology. Pityriasis rotunda pr is an uncommon chronic dermatosis, which may be idiopathic or may be associated with infections or malignancy. Then, a single, large spot may appear on your chest, stomach, or back. Pityriasis rotunda is an uncommon acquired dermatosis related to a disorder of keratinization that was described first in 1906.
Pityriasis rotunda and hyperprolactinemia actas dermo. What is pityriasis rotunda pityriasis rotunda is a rare disease characterised by round or oval scaly, pigmented patches that mainly occur on the trunk, arms and legs. Read more about symptoms, diagnosis, treatment, complications, causes and prognosis. Pityriasis rotunda hasson i, shah p indian j dermatol venereol. Pityriasis rotunda in childhood, pediatric dermatology. Covering all aspects of skin disease from basic science through pathology and epidemiology to clinical practice, the text is recognized for its unparalleled coverage of diagnosis. It presents as welldefined, scaly round plaques that can be hyper or hypopigmented. It may be associated with diseases like hepatocellular carcinoma in racially predisposed groups.
Pityriasis rotunda is a rare skin disease characterized by round or oval patches, localized mainly on the trunk, arms, and legs. Pityriasis rosea is an acute selflimiting condition of unknown cause. Pityriasis rotunda pr is an idiopathic, chronic dermatosis that features characteristic discrete, round, scaly, pigmented patches. The authors have seen three cases of pityriasis rotunda in a sardinian family that are to he added n iwo. Pityriasis rosea is a selflimited skin disease of unknown etiology. Pityriasis rotunda is a disorder of keratinization, which is thought to be a form of acquired ichthyosis, a delayed presentation of congenital ichthyosis, or a. Histopathologic findings are consistent with ichthyosis vulgaris. Pityriasis rotunda is a wellknown disorder consisting of perfectly round or polycyclic lesions that are uniformly scaly and hyperpigmented. Pityriasis rosea, a rash that usually appears on the torso, upper arms, thighs or neck, may sound worse than it really is. The cause is unknowninfection with a virus may be involved. Sep 28, 2012 pityriasis rotunda is described as persistent, large, sharply defined circular patches of dry ichthyosiform scaling with no inflammatory changes. They had a characteristic circular or arcuate configuration with scaling and varying degrees of hyperpigmentation. If you have problems viewing pdf files, download the latest version of adobe reader. However, it can affect males and females of any age.
Pityriasis rotunda is a rare disease characterized by round or oval patches, localized mainly on the trunk, arms, and legs. However, its believed that the condition may be associated with eczema, a common. Here are links to possibly useful sources of information about pityriasis rotunda. The cause is unknown but experts suggest that a virus is the most likely culprit. I am a black female and was recently diagnosed with pityriasis rotunda after a. A herald patch precedes the main rash by a few days. Jul 08, 2016 pityriasis versicolor most commonly affects teenagers and young adults when the sebaceous glands are more active.
Jan 19, 2012 pityriasis rotunda is a rare skin disease characterized by round, scaly, pigmented patches that mainly occur on the trunk, arms and legs. Pityriasis rotunda is an uncommon dermatosis with an unusual geographic and racial distribution. Patients often manifest pityriasis rotunda pr between 20 and 45 years of age range of 2 to 89, except among the sardinian cohort, in which patients presented during childhood. The term pityriasis rotunda refers to strikingly circular scaly lesions, with the histologic appearance of ichthyosis vulgaris. Pityriasis rotunda as an incidental paraneoplastic finding. Pityriasis rotunda information including symptoms, causes, diseases, symptoms, treatments, and other medical and health issues. While the basic premise of the study by dibisceglie et al in the july 1986 issue of the archives, that pityriasis rotunda may be a paraneoplastic phenomenon, is plausible, there are serious problems with the study and its test data that lead to questioning its validity. View enhanced pdf access article on wiley online library.
Pityriasis rotunda has been described in the japanese, south african blacks, and west indian blacks. Pityriasis rotunda is described as a persistent, large, sharply defined circular patch of dry ichthyosiform scaling with no inflammatory. Pityriasis alba is a skin disorder that mostly affects children and young adults. Pityriasis rotunda has been described in association with many underlying diseases, both benign and malignant, as well as occurring in the absence of any underlying condition. Lesions on the trunk tend to run along the lines of cleavage parallel to the ribs giving a. Pityriasis rotunda genetic and rare diseases information center.
Type 1 is seen mainly in eastsoutheast asian and south african individuals older than 60 years, and is often associated with internal disease or malignancy cancer. We report a case of pityriasis rotunda in a 19yearold, otherwise healthy male. It is characterized by asymptomatic, welldemarcated, circular, scaly patches, which are usually located on the torso and proximal portions of the extremities. Pityriasis rotunda is a rare disorder of keratinization characterized by hyper or hypopigmented, geometrically perfect circular sharply defined patches of dry ichthyosiform scaling. The unsightly condition has a name thats hard to say. Pityriasis versicolor resembling pityriasis rotunda. Pityriasis rotunda pr is a rare acquired disease of keratinization. Ideal sources for wikipedia s health content are defined in the guideline wikipedia. Turkey 3 ege university, department of patology, izmir. Pityriasis rosea is a skin condition that begins as a single, large pink ovalshaped patch found on the trunk of the body called the herald patch. These may include sore throat, fever, aches, nausea, and fatigue. Pityriasis rotunda is a rare disease characterised by round or oval scaly, pigmented patches that mainly occur on the trunk, arms and legs. Pityriasis rotunda au cours dun cancer du pancreas. Although the rash can be quite dramatic, the illness is very mild.
Pityriasis rotunda is a rare skin disease characterized by round, scaly, pigmented patches that mainly occur on the trunk, arms and legs. It may occur at any time of the year but is most commonly seen in the spring and fall. Pityriasis rotunda in a child gupta m indian j paediatr dermatol. The condition was initially described in japan by toyama in 1906. Rooks textbook of dermatology is the most comprehensive work of reference available to the dermatologist. Pityriasis rosea is a common rash in teens and young adults, although it may occur in younger children.
It occurs most commonly in children and young adults. The herald patch is followed one to two weeks later with a profusion of smaller scaling pink lesions on the torso. Pityriasis rotunda batra p, cheung w, meehan sa, pomeranz m. Most authors believe that it is a form of acquired ichthyosis and it has been associated with a. Pityriasis rotunda in childhood ena 2002 pediatric. Pityriasis rotunda is an uncommon dermatosis characterized by multiple, widely distributed, strikingly circular hypopigmented or hyperpigmented patches that. Pityriasis rosea is believed to be caused by a virus. Some people feel unwell for a few days before they get the rash, with symptoms such as a.
Pityriasis rosea most often affects teenagers and young adults. Pityriasis rotunda may be associated with systemic diseases eg, hepatocellular carcinoma in certain racially predisposed groups. The etiology of pityriasis rotunda remains unknown. Abstract pityriasis circinata is a rare, symptomless, etiologically uncertain disease, but often associated with chronic illness such as tuberculosis, diseases of uterus and ovaries. Download pdf 110 kb abstract pityriasis rotunda is a rare skin disease characterized by round or oval patches, localized mainly on the trunk, arms, and legs. The rash lasts from six to twelve weeks and, fortunately. This report is the first in the united arab republic, north africa, and the middle east. It was described initially as pityriasis circinata and acquired pseudoichthyosis. Fityriasis rotunda is a rare dermatosis characterized hy circular, dwty scaling, dyschromic patches, qute asymptomatic and mostly dcscrihvd in japanese and hiacks. Pityriasis rotunda may be associated with systemic diseases eg.
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