II. Definition

  1. Intraepidermal Acantholytic Blister
  2. Mnemonic: Pemphigus ends in S for Superficial
    1. Contrast with the deeper Pemphigoid

IV. Types: Secondary forms of Pemphigus

V. Signs

  1. Flaccid Blister (superficial)
  2. Nikolsky's Sign
    1. Positive in Pemphigus Vulgaris
    2. Negative in Pemphigus Foliaceus (most superficial)

VI. Histology

  1. All Pemphigus conditions show epidermal Acantholysis

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Ontology: Pemphigus (C0030807)

Definition (MEDLINEPLUS)

Pemphigus is an autoimmune disorder. If you have it, your immune system attacks healthy cells in your skin and mouth, causing blisters and sores. No one knows the cause. Pemphigus does not spread from person to person. It does not appear to be inherited. But some people's genes put them more at risk for pemphigus.

Pemphigoid is also an autoimmune skin disease. It leads to deep blisters that do not break easily. Pemphigoid is most common in older adults and may be fatal for older, sick patients.

Doctors diagnose pemphigus with a physical exam, a biopsy, and blood tests. The treatment of pemphigus and pemphigoid is the same: one or more medicines to control symptoms. These may include

  • Steroids, which reduce inflammation
  • Drugs that suppress the immune system response
  • Antibiotics to treat associated infections

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases

Definition (NCI) A blistering skin disorder. Morphologically it is characterized by acantholysis and intraepidermal blister formation.
Definition (CSP) group of chronic blistering diseases characterized histologically by acantholysis and blister formation within the epidermis.
Definition (MSH) Group of chronic blistering diseases characterized histologically by ACANTHOLYSIS and blister formation within the EPIDERMIS.
Concepts Disease or Syndrome (T047)
MSH D010392
ICD9 694.4
ICD10 L10 , L10.9
SnomedCT 200908008, 156355008, 65172003
English Pemphigus, PEMPHIGUS, Pemphigus, unspecified, pemphigus, pemphigus (diagnosis), Pemphigus [Disease/Finding], Pemphigus NOS (disorder), Pemphigus (disorder), Pemphigus, NOS, Pemphigus NOS
French PEMPHIGUS, Pemphigus
Portuguese PENFIGO, Pênfigo
Japanese 天疱瘡, テンポウソウ
Swedish Pemfigus
Czech pemfigus, Pemfigus
Finnish Pemfigus
Russian PEMFIGUS, PUZYRCHATKA, ПЕМФИГУС, ПУЗЫРЧАТКА
German Pemphiguskrankheit, nicht naeher bezeichnet, Pemphiguskrankheiten, Blasensucht, Pemphigus
Korean 상세불명의 천포창, 천포창
Polish Pęcherzyca
Hungarian Pemphigus
Norwegian Pemfigus
Spanish pénfigo, SAI, pénfigo, SAI (trastorno), pénfigo (trastorno), pénfigo, Pénfigo
Dutch Pemphigus, niet gespecificeerd, pemphigus, Pemphigus
Italian Pemfigo