Differential Diagnosis > Distribution > Acral > Hands and/or Feet > Palms and/or Soles

Palms and/or Soles

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*always think about secondary syphilis when looking at the palms or soles

 

hmtoggle_plus1pits:
basal cell nevus syndrome
Dariers disease
arsenic keratosis
normal variant in blacks (in the flexural creases)
lues cornée (secondary syphilis)

 

hmtoggle_plus1punctate hyperkeratosis on palms:
punctate keratoderma (autosomal dominant)
porokeratosis
arsenic keratosis (inorganic)

 

hmtoggle_plus1scale*:
contact dermatitis (irritant vs. allergic)
tinea (one hand, two foot)
chronic hand and foot eczema
keratolysis exfoliativa collarettes of scale; no inflammation
scabies
id reaction

*Fisher says everyone with this finding deserves two diagnostic tests: KOH and patch test

 

hmtoggle_plus1vesicles:
hand, foot, and mouth
id reaction
erythema multiforme

 

purpura of the palms = Letterer-Siwe disease (a finding seldom seen in other dermatoses), RMSF