Parapsoriasis en plaque definition of parapsoriasis en. Parapsoriasis en plaques ubersicht altmeyers enzyklopadie. Small plaque parapsoriasis characteristically occurs with skin lesions that are round, oval, discrete patches or thin plaques, mainly on the trunk 452. Plaque parapsoriasis is a skin condition that resembles psoriasis. Parapsoriasis definition of parapsoriasis by medical dictionary. Large plaque parapsoriasis are skin lesions that may be included in the modern scheme of cutaneous conditions described as parapsoriasis. Parapsoriasis is a term encompassing several disorders of the skin that possess a similar clinical presentation to psoriasis. Patients diagnosed with parapsoriasis and treated with phototherapy puva or uvbnb were selected. Psoriasis guttata tratamiento pdf psoriasis guttata. Parapsoriasis trastornos dermatologicos manual msd version. Occasion may arise when nothing is more difficult in dermatology than a differentiation between parapsoriasis and allied conditions which are similar both clinically and histologically.
The skin lesions appear as scaly patches and plaques. The topic parapsoriasis en plaques you are seeking is a synonym, or alternative name, or is closely related to the medical condition largeplaque parapsoriasis. Por marta vicente, periodista especializada en salud y bienestar. This means that parapsoriasis, or a subtype of parapsoriasis, affects less than 200,000 people in the us population. Parapsoriasis is listed as a rare disease by the office of rare diseases ord of the national institutes of health nih. These lesions, called plaques, may be irregularly roundshaped to oval and are 10 cm 4 in or larger in diameter. Whether parapsoriasis represents an early stage of tcell cutaneous lymphoma is still the subject of controversy. Parapsoriasis en grandes placas con o sin poiquilodermia. An evaluation of the treatment of parapsoriasis with. Confusingly, the term parapsoriasis en plaque has been used for either spp or lpp. Parapsoriasis en grandes placas pgp epidemiologia predomina en varones 2. Historically, parapsoriasis included a group of cutaneous diseases characterized by scaly patches or slightly elevated papules andor plaques with a resemblance to psoriasis, hence the terminology. We analyzed the files of 60 patients with cutaneous tcell lymphomas and parapsoriasis en plaque between 17 and 94 years old sex ratio men to women was 0,96. Parapsoriasis en plaques benigne kleinherdige altmeyers.
Article in french bonvalet d, colaugohm k, belaich s, civatte j, degos r. Parapsoriasis genetic and rare diseases information center. 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. Sep 04, 2019 eldarouti ma, fawzy mm, hegazy ra, abdel hay rm. Parapsoriasis retiforme extensa o micosis fungoide. Parapsoriasis mit plaques parapsoriasis and largeplaque parapsoriasis are related to each other, while others say that these are two different disease processes there is no definitive proof that certain types of diet play a role in the development of this skin condition. Young male with long standing erythematosquamous lesions. However, this description includes several inflammatory cutaneous diseases that are unrelated with respect to pathogenesis, histopathology, and.
Parapsoriasis with plaques parapsoriasis with larger plaques transforms into cutaneous tcell lymphoma in about 10% of patients per decade. Pdf an evaluation of the treatment of parapsoriasis with. Parapsoriasis symptoms, diagnosis, treatments and causes. Differential diagnosis of parapsoriasis jama dermatology. About forty years has passed since brocq united under the name parapsoriasis a group of diseases belonging to. In our cases the transformation to poikiloderma atrophicans. Parapsoriasis dermatologic disorders merck manuals. Hypopigmented parapsoriasis en plaque, a new, overlooked member of the parapsoriasis family. Other conditions sometimes grouped under the banner of parapsoriasis are pityriasis lichenoides et varioliformis acuta, pityriasis lichenoides chronica, and lymphomatoid papulosis, all of which are the subjects of separate chapters. Otros diagnosticos diferenciales incluyen eccema cronico, eccematide y psoriasis. Haeffner ac, smoller bc, zepter k, wood gs 1995 differentiation and clonality of lesional lymphocytes in small plaques parapsoriasis.
It is caused by an abnormal inflammation of the skin. The term parapsoriasis was used by brocq 1902 to group a number of conditions previously described under different names. Diagnostic validation of capillary electrophoresis analysis of tcell receptor gammachain gene rearrangements. Pityriasis lichenoides, large plaque parapsoriasis than 5 cm in diameter and small plaque parapsoriasis parapsoriasis en grandes plaques simples 25 cases is characterized by few pink patches 3 to 5, larger than in benign type. 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. However, this description contained several inflammatory cutaneous diseases that were unrelated with respect to pathogenesis, histopathology, and.
1566 725 382 1589 1483 675 266 1286 347 1432 889 833 1575 888 381 382 93 86 405 74 434 227 1586 221 786 1128 942 1348 1233 234 387 734 735 546 1422 1086 487 619 906 921 510 281 622 604 102 198