epidermal anomalies

Examples

 stratum corneum anomalies

• hyperkeratosis
  • epidermolytic hyperkeratosis

 stratum lucidum anomalies (palms and soles)

 stratum granulosum anomalies

 stratum spinosum anomalies

• epidermal hyperplasia
• acanthosis ( hyperacanthosis )
• dyskeratosis / dyskeratotic cells

• keratinocytic anomalies
  • keratinocytic nuclear anomalies
  • keratinocytic cytoplasmic anomalies
  • cytoplasmic vacuolation

• acantholysis
  • acantholytic dyskeratosis

 subepidermal anomalies

• subepidermal split

 basal layer anomalies / stratum basale

• epidermal basal cell anomalies
  • " crushed basal cells " appearance

 epidermal pustules
 epidermal vesicles
 epidermal bubbles

Examples

 acantholytic dyskeratosis in Darier disease

• https://twitter.com/jotacegepat/status/676241199934648321

 " crushed basal cells " appearance in the epidermis is a clue to cutaneous Paget disease

• https://twitter.com/nathan_t_harvey/status/817321113487167488

See also

  cutaneous anomalies

• dermal anomalies
• hypodermal anomalies