Lymphomatoid papulosis

Lymphomatoid papulosis
Specialty Dermatology Edit this on Wikidata

Lymphomatoid papulosis (LyP) is a rare skin disorder. The overall prevalence rate of lymphomatoid papulosis is estimated at 1.2 to 1.9 cases per 1,000,000 population.This rare condition has only been studied in depth since 1968.[1]

Presentation

It can appear very similar to anaplastic large cell lymphoma.[2] Type "A" is CD30 positive, while type "B" is CD30 negative.[3]

It has been described as "clinically benign but histologically malignant."[4]

Treatment

It may respond to methotrexate.[5]

Prognosis

It can evolve into lymphoma.[6]

See also

References

  1. ↑ Macaulay WL (January 1968). "Lymphomatoid papulosis. A continuing self-healing eruption, clinically benign--histologically malignant". Arch Dermatol. 97 (1): 23–30. doi:10.1001/archderm.97.1.23. PMID 5634442.
  2. ↑ El Shabrawi-Caelen L, Kerl H, Cerroni L (April 2004). "Lymphomatoid papulosis: reappraisal of clinicopathologic presentation and classification into subtypes A, B, and C". Arch Dermatol. 140 (4): 441–7. doi:10.1001/archderm.140.4.441. PMID 15096372.
  3. ↑ Neal S. Young; Stanton L. Gerson; Katherine A. High (2006). Clinical hematology. Elsevier Health Sciences. pp. 555–. ISBN 978-0-323-01908-8. Retrieved 14 May 2011.
  4. ↑ Maria Proytcheva (14 March 2011). Diagnostic Pediatric Hematopathology. Cambridge University Press. pp. 544–. ISBN 978-0-521-88160-9. Retrieved 15 May 2011.
  5. ↑ Magro CM, Crowson AN, Morrison C, Merati K, Porcu P, Wright ED (April 2006). "CD8+ lymphomatoid papulosis and its differential diagnosis". Am. J. Clin. Pathol. 125 (4): 490–501. doi:10.1309/NNV4-L5G5-A0KF-1T06. PMID 16627259.
  6. ↑ Dalle S, Balme B, Thomas L (2006). "Lymphomatoid papulosis localized to the face". Dermatol. Online J. 12 (3): 9. PMID 16638423.
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