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Dermatology

Palmoplantar Keratodermas

Built from Dermatology, 5th Edition

The first 25 slides of Palmoplantar Keratodermas
The first 25 slides, exactly as they appear. The full deck has 135 content slides.

What’s inside

10 sections · 135 slides

  1. 01

    Overview

    • What this topic covers

    1 slide

  2. 02

    Introduction and Classification

    What PPK is, how it is grouped, and how it is worked up

    • Palmoplantar keratoderma: definition
    • Inherited versus acquired PPK
    • Three patterns of involvement
    • Diffuse palmoplantar keratoderma
    • Focal palmoplantar keratoderma
    • Punctate palmoplantar keratoderma
    • Diffuse palmar keratoderma, close view
    • Punctate keratosis, coalescing lesions
    • Extra descriptive terms
    • Digital constriction bands (pseudoainhum)
    • Genodermatoses associated with digital constriction bands (pseudoainhum)
    • Clinical work-up of a patient with PPK
    • Primary palmoplantar keratodermas (PPKs)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • Primary palmoplantar keratodermas (PPKs) (continued)
    • PPK as part of another genetic skin disease
    • Other genodermatoses that feature palmoplantar keratoderma (PPK)
    • Other genodermatoses that feature palmoplantar keratoderma (PPK) (continued)
    • Other genodermatoses that feature palmoplantar keratoderma (PPK) (continued)
    • Skin biopsy: what it can show
    • Histologic patterns in selected hereditary palmoplantar keratodermas (PPKs)
    • Histologic patterns in selected hereditary palmoplantar keratodermas (PPKs) (continued)
    • Histologic patterns in selected hereditary palmoplantar keratodermas (PPKs) (continued)
    • The gap junction and connexins
    • Connexin channels and the gap junction plaque
    • Human connexin disorders
    • Human connexin disorders (continued)
    • Human connexin disorders (continued)
    • Genetic mutations behind hereditary PPKs
    • Genetic mutations underlying hereditary palmoplantar keratodermas

    40 slides

  3. 03

    Diffuse PPK Without Associated Features

    Isolated, non-syndromic forms - epidermolytic and non-epidermolytic

    • Diffuse epidermolytic PPK (Vorner-Unna-Thost): overview
    • EPPK: how the mutation causes disease
    • EPPK: clinical course
    • Diffuse epidermolytic PPK (Vorner-Unna-Thost)
    • Diffuse epidermolytic PPK, sole involvement
    • EPPK: what the biopsy shows
    • Histologic features of palmoplantar keratoderma
    • EPPK: diagnosis and management
    • Diffuse non-epidermolytic PPK (NEPPK): overview
    • NEPPK subtypes: genes and mechanism
    • Mal de Meleda
    • Mal de Meleda
    • NEPPK: biopsy and treatment
    • Keratolytic winter erythema and CTSB-related PPK
    • Keratolytic winter erythema

    15 slides

  4. 04

    Diffuse PPK With Ichthyosis

    Loricrin keratoderma and KLICK syndrome

    • Loricrin keratoderma
    • Loricrin keratoderma vs Vohwinkel syndrome
    • KLICK syndrome
    • KLICK syndrome

    4 slides

  5. 05

    Diffuse PPK With Associated Features

    Syndromic diffuse PPK - hearing loss, cancer risk, hair and nail change, cardiomyopathy

    • Vohwinkel syndrome: genetics and skin findings
    • Mutilating palmoplantar keratoderma in Vohwinkel syndrome
    • Vohwinkel syndrome: hearing and treatment
    • Bart-Pumphrey syndrome
    • Bart-Pumphrey syndrome
    • Mitochondrial PPK with hearing impairment
    • Huriez syndrome
    • Huriez syndrome
    • PPK with sex reversal and squamous cell carcinoma
    • Clouston syndrome
    • Clouston syndrome
    • Odonto-onycho-dermal dysplasia (Schopf-Schulz-Passarge)
    • Olmsted syndrome
    • Olmsted syndrome: treatment insight
    • Papillon-Lefevre and Haim-Munk syndromes
    • Naxos disease
    • The PPK - woolly hair - cardiomyopathy triad

    17 slides

  6. 06

    Focal PPK Without Associated Features

    Striate/focal PPK - a desmosome and keratin disorder

    • Striate (focal) palmoplantar keratoderma
    • Striate and areata focal palmoplantar keratoderma
    • Striate PPK: related conditions and treatment

    3 slides

  7. 07

    Focal PPK With Associated Features

    Pachyonychia congenita, Richner-Hanhart, Howel-Evans, and Carvajal syndromes

    • Pachyonychia congenita: overview
    • >90%
    • Pachyonychia congenita: nail and skin findings
    • Pachyonychia congenita
    • Pachyonychia congenita, nail and sole detail
    • Pachyonychia congenita: other features and treatment
    • Richner-Hanhart syndrome (tyrosinemia type II)
    • Richner-Hanhart syndrome (tyrosinemia II)
    • Richner-Hanhart syndrome, corneal findings
    • Richner-Hanhart syndrome: treatment
    • Howel-Evans syndrome
    • Howel-Evans syndrome
    • Carvajal syndrome
    • Carvajal syndrome

    14 slides

  8. 08

    Punctate PPK Without Associated Features

    Buschke-Fischer-Brauer type, spiny keratoderma, and marginal papular keratoderma

    • Punctate PPK, Buschke-Fischer-Brauer type
    • Punctate PPK: course and work-up
    • Punctate keratoses of the palmar creases
    • Punctate keratoses of the palmar creases
    • Conditions causing palmoplantar pits
    • Differential diagnosis of palmoplantar pits
    • Spiny keratoderma
    • Spiny palmoplantar keratoderma
    • Marginal papular keratoderma
    • Marginal papular keratoderma
    • Marginal papular keratoderma, close view
    • Focal acral hyperkeratosis: histology

    12 slides

  9. 09

    Punctate PPK With Associated Features

    Cole disease and PLACK syndrome

    • Cole disease
    • PLACK syndrome

    2 slides

  10. 10

    Acquired Keratodermas

    PPK that develops later in life - drugs, cancer, hormones, and idiopathic forms

    • Keratoderma climactericum
    • Keratoderma climactericum
    • PPK and internal cancer
    • Arsenical keratoses
    • Other acquired causes
    • Aquagenic palmoplantar keratoderma
    • Aquagenic wrinkling of the palms
    • Aquagenic keratoderma, pebbly change
    • Aquagenic PPK: treatment
    • Circumscribed palmar or plantar hypokeratosis
    • Circumscribed palmar hypokeratosis
    • Circumscribed hypokeratosis: treatment
    • Diffuse PPK in a related ichthyosis syndrome
    • Diffuse palmar keratoderma in an infant with KID syndrome
    • A related erosive skin fragility disorder
    • Palmar keratoderma in ectodermal dysplasia-skin fragility syndrome
    • How to approach a PPK patient
    • Key takeaways
    • References
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • References (continued)
    • Dermatology, 5th Edition (2-Volume Set)

    27 slides