Skin Pathology Terms

Question 1

what is hyperkeratosis

Answer 1

increased thickness of keratin layer

Question 2

what is parakeratosis

Answer 2

persistence of nuclei in the keratin layer

Question 3

what is acanthosis

Answer 3

increased thickness of epithelium

Question 4

what is papillomatosis

Answer 4

irregular epithelial thickening

Question 5

what is spongiosis

Answer 5

when oedema fluid between squamous appears to increase prominence of intercellular prickles

Question 6

what happens if spongiosis is severe

Answer 6

vesicles filled with oedema fluid develop

Question 7

what are the 4 main reaction patterns used to classify inflammatory skin diseases

Answer 7

spongiotic-intraepidermal oedema
psoriasiform-elongation of rete ridges
lichenoid-basal layer damage
vesiculobullous-blistering

Question 8

give an example of a condition that follows the spongiotic-intraepidermal oedema reaction pattern

Answer 8

eczema

Question 9

give an example of a condition that follows the psoriasiform-elongation of rete ridges reaction pattern

Answer 9

psoriasis

Question 10

give an example of a condition that follows the lichenoid-basal layer damage reaction pattern

Answer 10

lichen planus and lupus

Question 11

what reaction pattern do pemphigoid, pemphigus and dermatitis herpetiformis follow

Answer 11

vesiculobullous-blistering