There are four main subtypes of HD: contact dermatitis (irritant or al lergic dermatitis), atopic hand dermatitis, pomphylox (dyshidrotic ec zema), and hyperkeratotic dermatitis (Warshaw et al., ...
which progressed to a belt-shaped rash and then developed hyperkeratotic nodules on the hands. The acute GVHD was atypical and the course was progressive and fatal, with liver and gut involvement.