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Acantholysis

From Wikipedia, the free encyclopedia
Not to be confused withAcanthosis.
Medical condition
Acantholysis
Foot-and-mouth disease - acantholysis in a sample of a skin vesicle:Necrosis of thestratum spinosum can be observed, andkeratinocytes floating in the vesicular fluid (spongiosa).
SpecialtyDermatology

Acantholysis is the loss ofintercellular connections, such asdesmosomes, resulting in loss of cohesion betweenkeratinocytes,[1] seen in diseases such aspemphigus vulgaris,Grover’s disease, andHailey-Hailey Disease.[2][3] It is absent inbullous pemphigoid, making it useful fordifferential diagnosis. This disruption between cells causes intra-epidermal clefts, vesicles and bullae due to cells becoming rounded and no longer attached to one another.[4]

Focusing on Pemphigus vulgaris, a blistering auto-immune disease, during acantholysis, circulatingautoantibodies cause disruption of cell-cell and cell-matrix adhesion.[5] The antibodies circulate against intercellular adhesion structures and demosomal protein desmoglein (DSG), which causes the disruption.[6] Acantholytic cells also known asTzanck cells are a distinguishing feature when diagnosing Pemphigus vulgaris.[7] The Tzanck test can be used to diagnosis Pemphigus vulgaris for patients who are uncomfortable with a biopsy.[8] he test can be used to identify acantholytic cells which are classified as large roundkeratinocytes characterized by an enlargednucleus, indistinct or missingnucleoli and plentiful basophilic cytoplasm.[9] Thishistological feature is also seen inherpes simplex infections (HSV 1 and 2) andvaricella zoster infections (chicken pox and shingles).

Epidemiology

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The incidence of acantholysis varies according to the condition it is associated with.

In Pemphigus vulgaris, the incidence ranges from 0.076 to 5 per 100,000 person-years.[10] The occurrence of Pemphigus vulgaris is most common in adults between ages of 50 and 60 years old.[11] Approximately 70% of cases of this condition come fromIndia,China,Malaysia and theMiddle East. While Pemphigus vulgaris affects all, the highest incidence occurs inAshkenazi Jews.[12] Some common factors that cause this condition arestress,medication, surgical and dental procedures, physical trauma or other illnesses.[13] Genetics is also a strong factor in inheriting Pemphigus vulgaris. This has been showed in Ashkenazi Jews with Pemphigus vulgaris.[14]

Grover’s disease, which is also caused by acantholysis, is most common in older adults with older adults likely to have more extensive and longer duration of the disease.[15] The disease is around 1.6 to 2.1 times more common in males than females.[16] Some factors that are associated with causing Grover’s disease are environmental factors like extensive sunlight exposure or heat and preexisting illnesses such as cancer and infections.[17]

See also

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References

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  1. ^Kumar, Vinay; Fausto, Nelso; Abbas, Abul (2004)Robbins & Cotran Pathologic Basis of Disease (7th ed.). Saunders. Page 1230.ISBN 0-7216-0187-1.
  2. ^Kumaran, MSendhil; Kanwar, AmrinderJ; Seshadri, Divya (2013)."Acantholysis revisited: Back to basics".Indian Journal of Dermatology, Venereology and Leprology.79 (1):120–126.doi:10.4103/0378-6323.104688.PMID 23254748.
  3. ^"Acantholysis - Medical Definition from MediLexicon". medilexicon.com. Archived fromthe original on 2016-07-31. Retrieved2017-04-22.
  4. ^Kumaran, MSendhil; Kanwar, AmrinderJ; Seshadri, Divya (2013)."Acantholysis revisited: Back to basics".Indian Journal of Dermatology, Venereology and Leprology.79 (1):120–126.doi:10.4103/0378-6323.104688.PMID 23254748.
  5. ^Mohammad Beigi, Pooya Khan (2018). "Overview of Pemphigus Vulgaris".A Clinician's Guide to Pemphigus Vulgaris. pp. 11–12.doi:10.1007/978-3-319-67759-0_2.ISBN 978-3-319-67758-3.
  6. ^Mohammad Beigi, Pooya Khan (2018). "Overview of Pemphigus Vulgaris".A Clinician's Guide to Pemphigus Vulgaris. p. 11.doi:10.1007/978-3-319-67759-0_2.ISBN 978-3-319-67758-3.
  7. ^Singhi, Mk; Gupta, LalitKumar (2005)."Tzanck smear: A useful diagnostic tool".Indian Journal of Dermatology, Venereology and Leprology.71 (4):295–299.doi:10.4103/0378-6323.16632.PMID 16394449.
  8. ^Singhi, Mk; Gupta, LalitKumar (2005)."Tzanck smear: A useful diagnostic tool".Indian Journal of Dermatology, Venereology and Leprology.71 (4):295–299.doi:10.4103/0378-6323.16632.PMID 16394449.
  9. ^Singhi, Mk; Gupta, LalitKumar (2005)."Tzanck smear: A useful diagnostic tool".Indian Journal of Dermatology, Venereology and Leprology.71 (4):295–299.doi:10.4103/0378-6323.16632.PMID 16394449.
  10. ^Gupta, Vibha K.; Kelbel, Theodore E.; Nguyen, Daniela; Melonakos, Katherine C.; Murrell, Dédée F.; Xie, Yan; Mullard, Andrew; Reed, Philip L.; Seiffert-Sinha, Kristina; Sinha, Animesh A. (1 July 2011). "A Globally Available Internet-Based Patient Survey of Pemphigus Vulgaris: Epidemiology and Disease Characteristics".Dermatologic Clinics.29 (3):393–404.doi:10.1016/j.det.2011.03.016.PMID 21605804.
  11. ^Mohammad Beigi, Pooya Khan (2018). "Epidemiology and Etiology".A Clinician's Guide to Pemphigus Vulgaris. pp. 15–16.doi:10.1007/978-3-319-67759-0_4.ISBN 978-3-319-67758-3.
  12. ^Mohammad Beigi, Pooya Khan (2018). "Epidemiology and Etiology".A Clinician's Guide to Pemphigus Vulgaris. pp. 15–16.doi:10.1007/978-3-319-67759-0_4.ISBN 978-3-319-67758-3.
  13. ^Kumaran, MSendhil; Kanwar, AmrinderJ; Seshadri, Divya (2013)."Acantholysis revisited: Back to basics".Indian Journal of Dermatology, Venereology and Leprology.79 (1):120–126.doi:10.4103/0378-6323.104688.PMID 23254748.
  14. ^Mohammad Beigi, Pooya Khan (2018). "Epidemiology and Etiology".A Clinician's Guide to Pemphigus Vulgaris. pp. 15–16.doi:10.1007/978-3-319-67759-0_4.ISBN 978-3-319-67758-3.
  15. ^Parsons, Jerome Michael (1 November 1996). "Transient acantholytic dermatosis (Grover's disease): A global perspective".Journal of the American Academy of Dermatology.35 (5):653–666.doi:10.1016/S0190-9622(96)90715-X.PMID 8912557.
  16. ^Parsons, Jerome Michael (1 November 1996). "Transient acantholytic dermatosis (Grover's disease): A global perspective".Journal of the American Academy of Dermatology.35 (5):653–666.doi:10.1016/S0190-9622(96)90715-X.PMID 8912557.
  17. ^Parsons, Jerome Michael (1 November 1996). "Transient acantholytic dermatosis (Grover's disease): A global perspective".Journal of the American Academy of Dermatology.35 (5):653–666.doi:10.1016/S0190-9622(96)90715-X.PMID 8912557.

External links

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Classification
Skin lesion terminology
Macroscopic
Primary lesions
Secondary lesions
Microscopic
Acantholysis
(epidermis)
Pemphigus
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(dermis)
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