cornoid lamellae

Definition: A cornoid lamella is a thin column of closely stacked, parakeratotic cells extending through the stratum corneum with a thin or absent granular layer.

Images

 Prominent hypekeratosis with well-developed cornoid lamellae in porokeratosis of Mibelli

• https://twitter.com/Valdebran/status/747399163248152576

 porokeratosis

• https://twitter.com/JRamirezMD/status/828667696065740801

Porokeratosis has a characteristic histomorphologic feature known as a cornoid lamella .

See also

 epidermal anomalies

• kertatoses
  • hyperkeratosis

 porokeratosis of Mibelli

See also

 epidermal anomalies