Difference between revisions of "Bullous diseases"

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==Pemphigus vulgaris==
==Pemphigus vulgaris==
*[[AKA]] ''pemphigus''.
===General===
===General===
Classic presentation:
Classic presentation:
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Images:
Images:
*[http://www.dermpedia.org/files/images/pemphigus_vulgaris_3.jpg PV (dermpedia.org)].<ref>URL: [http://www.dermpedia.org/baby-dermpedia-for-beginners/pemphigus-vulgaris http://www.dermpedia.org/baby-dermpedia-for-beginners/pemphigus-vulgaris]. Accessed on: 20 March 2011.</ref>
*[http://www.dermpedia.org/files/images/pemphigus_vulgaris_3.jpg PV (dermpedia.org)].<ref>URL: [http://www.dermpedia.org/baby-dermpedia-for-beginners/pemphigus-vulgaris http://www.dermpedia.org/baby-dermpedia-for-beginners/pemphigus-vulgaris]. Accessed on: 20 March 2011.</ref>
Notes:
*Desmoglein 1, desmoglein 3 - abnormal.


==Dermatitis herpetiformis==
==Dermatitis herpetiformis==

Revision as of 03:40, 21 March 2011

Bullous disease happens. Dermatopathologists help diagnose it.

DDx of bullous disease:[1]

  • Bullous pemphigoid.
  • Pemphigus vulgaris.
  • Porphyria cutanea tarda.
  • Dermatitis herpetiformis.
  • Epidermolysis bullosa.

Bullous pemphigoid

Epidemiology

  • Old people (60-80 year olds).

Pemphigus vulgaris

General

Classic presentation:

  • Mouth lesions.
  • Non-pruritic.

Treatment:

  • Prednisone then steroid sparing agent.

Epidemiology:

  • Associated with thymoma, myasthenia gravis, malignancy & D-penicillamine (used to Tx Wilson's disease).
  • Middle age.

Microscopic

Features:[2]

  • Suprabasilar blistering.

DDx: Hailey-Hailey disease.

Images:

Notes:

  • Desmoglein 1, desmoglein 3 - abnormal.

Dermatitis herpetiformis

Assoc. with celiac sprue.

Porphyria cutanea tarda

Etiology

  • Genetic, autosomal dominant.

Appearance

  • Vesicles/bullae in photoexposed areas subjected to trauma.

Associations

Medications/Substances:

Non-infection chronic conditions:

Infections:

Treatment

  • d/c aggravating substances (listed above), phlebotomy, hydroxychloroquine if phlebotomy contraindicated.

Epidermolysis bullosa

  • Inherited, bullae & erosions from slight mechanical trauma.

See also

References

  1. TN07 D21-3.
  2. Kumar, Vinay; Abbas, Abul K.; Fausto, Nelson; Aster, Jon (2009). Robbins and Cotran pathologic basis of disease (8th ed.). Elsevier Saunders. pp. 1193. ISBN 978-1416031215.
  3. URL: http://www.dermpedia.org/baby-dermpedia-for-beginners/pemphigus-vulgaris. Accessed on: 20 March 2011.