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Dermatology

Other Vesiculobullous Diseases

Built from Dermatology, 5th Edition

What’s inside

11 sections · 73 slides

  1. 01

    Overview

    • What counts as an 'other' vesiculobullous disease
    • How this topic is organised

    2 slides

  2. 02

    Bullosis Diabeticorum

    Sudden, spontaneous blisters on normal-looking skin in people with diabetes mellitus

    • Key features of bullosis diabeticorum
    • History and epidemiology
    • Pathogenesis: why the blisters form
    • Clinical features
    • Bullosis diabeticorum: tense bulla over the medial malleolus
    • Bullosis diabeticorum on the palm
    • Pathology: what the biopsy shows
    • Differential diagnosis
    • Treatment

    9 slides

  3. 03

    Coma Blisters

    Pressure blisters that develop in unconscious, immobile, or neurologically impaired patients

    • Key features of coma blisters
    • A short history
    • Causes of coma blisters
    • Pathogenesis: pressure or drug toxicity
    • Coma bullae at a pressure site
    • Neurologic blisters on the hemiplegic hand
    • Sweat gland necrosis in a pressure-induced bulla
    • Telling coma blisters and friction blisters apart
    • Complications and treatment

    9 slides

  4. 04

    Friction Blisters

    The everyday blister - caused by repeated rubbing, most often on the feet

    • Key features and epidemiology
    • 33%
    • Pathogenesis: how rubbing makes a blister
    • Clinical features
    • Friction blister from a ski boot
    • Friction blister from a knife handle
    • Pathology
    • Differential diagnosis and treatment

    8 slides

  5. 05

    Bullous Cutaneous Small Vessel Vasculitis

    When blood-vessel inflammation in the skin becomes severe enough to blister

    • Overview
    • Bullous cutaneous small vessel vasculitis
    • Bullous vasculitis with chronic leg edema
    • Vesicles within a purpuric plaque in IgA vasculitis
    • Pathology

    5 slides

  6. 06

    Bullous Drug Eruptions

    A reminder that many different drug reactions - not just one disease - can present with blisters

    • Key features
    • Bullous drug eruptions
    • Ofloxacin-induced linear IgA bullous dermatosis

    3 slides

  7. 07

    Bullous Insect Bite Reactions

    From an everyday bite that blisters, to severe exaggerated reactions in blood cancers

    • Key features
    • History and who is affected
    • Pathogenesis: from first bite to blister
    • Special mechanisms in blood cancers
    • Clinical features
    • Bullous insect bite reaction at the ankle
    • Exaggerated insect bite reaction in chronic lymphocytic leukemia
    • Bullous insect bite mimicking localized bullous pemphigoid
    • Multiple bullous insect bites on the distal leg
    • Generalized bullous bedbug bite reaction
    • Hemorrhagic vesicles in chronic lymphocytic leukemia
    • Histopathology of a bullous bug bite reaction
    • Pathology in detail
    • Differential diagnosis and treatment

    14 slides

  8. 08

    Delayed Postburn/Postgraft Blisters

    Blisters that appear weeks after burned or grafted skin has already finished healing

    • Key features
    • Epidemiology
    • Pathogenesis: an 'immature' skin junction
    • Timing of the blisters
    • Pathology and differential diagnosis
    • Treatment

    6 slides

  9. 09

    Edema Blisters

    Blisters that form when longstanding leg swelling suddenly gets worse

    • Key features
    • Epidemiology and pathogenesis
    • Clinical features
    • Edema bulla on an infant's thigh
    • Edema bulla with lower extremity edema
    • Pathology, differential diagnosis, and treatment

    6 slides

  10. 10

    Additional Vesiculobullous Disorders

    Fracture blisters, sucking blisters, self-inflicted blisters, jellyfish stings, and light-treatment blisters

    • Overview
    • Additional vesiculobullous disorders
    • Fracture blisters after blunt thigh trauma
    • Fracture blisters over edematous skin

    4 slides

  11. 11

    Putting It Together

    A single diagnostic map for the bland (non-inflamed) bulla of the distal lower leg

    • Diagnostic approach to bland bullae of the distal lower extremities
    • Key take-home points
    • References
    • References (continued)
    • References (continued)
    • References (continued)
    • Dermatology, 5th Edition (2-Volume Set)

    7 slides