Whether parapsoriasis represents an early stage of tcell cutaneous lymphoma is still the subject of controversy. Parapsoriasis en plaque brocq, largeplaque type, parapsoriasis en plaque brocq, large focal type, parapsoriasis en grandes plaques, premalignant form of parapsoriasis en plaque. Parapsoriasis symptoms, causes, diagnosis, and treatment information for parapsoriasis parapsoriasis with alternative diagnoses, fulltext book chapters, misdiagnosis, research. Young male with long standing erythematosquamous lesions. The parapsoriasis groups, described and debated for nearly a century, has spawned a confusing nomenclature. These lesions, called plaques, may be irregularly roundshaped to oval and are 10 cm 4 in or larger in diameter. The skin lesions appear as scaly patches and plaques.
Parapsoriasis trastornos dermatologicos manual msd version. Dermis parapsoriasis en plaque brocq, largeplaque type. Sie hat allerdings keine nosologische gemeinsamkeit zur klassischen psoriasis. Parapsoriasis describes a group of skin diseases that can be characterized by scaly patches or slightly elevated papules andor plaques red, scaly patches that have a resemblance to psoriasis. Smoller bc, zepter k, wood gs 1995 differentiation and clonality of lesional lymphocytes in small plaques. There are some authors who prefer to limit the term parapsoriasis to large and smallplaque variants only. Retiform parapsoriasis is a very rare variety of large plaque parapsoriasis. An evaluation of the treatment of parapsoriasis with.
Confusingly, the term parapsoriasis en plaque has been used for either spp or lpp. Parapsoriasis is an etiologically heterogeneous group of disorders that tend to have a similar appearancethin, scaling, dull, pink patches and plaques with a slightly atrophic or wrinkled appearance. Parapsoriasis describes a group of cutaneous diseases that can be characterized by scaly patches or slightly elevated papules andor plaques that have a resemblance to psoriasishence the nomenclature. Parapsoriasis is a dermatological term for a group of chronic erythematosquamous skin disorders, which share similar clinical features and possibility of progression to cutaneous tcell lymphoma. The condition is usually benign and resolves spontaneously but may persist for months or years with frequent relapses. Largeplaque parapsoriasis is a common associate of retiform. They can be very thin plaques that are asymptomatic or mildly pruritic. It was also considerate by some authors like a pre mycotic state. Parapsoriasis y poigilodermia vascular atrofiante eprints. Visit our research pages for current research about parapsoriasis treatments. The term parapsoriasis was used by brocq 1902 to group a number of conditions previously described under different names.
Large plaque parapsoriasis are skin lesions that may be included in the modern scheme of cutaneous conditions described as parapsoriasis. Zum ausschluss einer mycosis fungoides sollte eine biopsie erfolgen. Dermatitis seborreica, eccemas, parapsoriasis en placas. Largeplaque parapsoriasis lpp is observed as yellowish patches on the skin measuring over 5 cm in size. Parapsoriasis en plaques benigne kleinherdige altmeyers. The spectrum between is bridged by pityriasis lichenoides, pityriasis lichenoides chronica, pityriasis lichenoides et varioliformis acuta, and lymphomatoid papulosis. We evaluated the efficacy of phototherapy in the treatment of parapsoriasis and its relation with tccl. The topic parapsoriasis en plaques you are seeking is a synonym, or alternative name, or is closely related to the medical condition largeplaque parapsoriasis.
Patients diagnosed with parapsoriasis and treated with phototherapy puva or. Parapsoriasis genetic and rare diseases information. It is caused by an abnormal inflammation of the skin. Parapsoriasis retiforme extensa o micosis fungoide. Plaque parapsoriasis is a skin condition that resembles psoriasis. However, this description includes several inflammatory cutaneous diseases that are unrelated with respect to pathogenesis, histopathology, and response to treatment. Small plaque parapsoriasis characteristically occurs with skin lesions that are round, oval, discrete patches or thin plaques, mainly on the trunk 452. Interestingly, two of these lesions with a benign phenotype parapsoriasis en plaque and dermatitis were taken from a patient who was diagnosed with tcell lymphoma 89 years later. Other conditions sometimes grouped under the banner of parapsoriasis are pityriasis lichenoides et varioliformis acuta, pityriasis lichenoides chronica, and lymphomatoid papulosis, all. We present a case of an older man with wide compromise of body superface area. The term parapsoriasis refers to a heterogeneous group of uncommon dermatoses occurring mainly in older adults and characterized by erythematous and scaly patches of variable size, chronic course, and resistance to treatment. Parapsoriasis en grandes placas con o sin poiquilodermia. Parapsoriasis is a peculiar reaction pattern of the skin that appears to have a spectrum with small plaque parapsoriasis at one end and large plaque at the other. Parapsoriasis xxv congreso seap, xx congreso sec, i.