Eczematous graft-vs-host disease: A report of three cases and review of the literature.

Graft-vs-host disease (GVHD) is the most common complication following hematopoietic cell transplantation, which affects skin frequently. Acute and chronic forms of GVHD manifest commonly as maculopapular to morbilliform eruptions and sclerotic or lichen-planus-like lesions, respectively; however, atypical presentations such as eczema-like GVHD may occur at times. We describe three cases of GVHD with diverse and polymorphous cutaneous eruptions including pompholyx-like and vasculitis-like rash as well as erythematous plaques and papulosquamous eruptions, with skin biopsy showing unifying histopathological findings with concurrent changes of spongiotic dermatitis and vacuolar interface reaction with apoptotic keratinocytes. In addition, the clinical and pathological features of previously reported cases of eczema-like GVHD are reviewed. It is emphasized that the course of the disease can be variable and successful management often involves a combination of multiple therapeutic modalities including immunosuppression with or without ultraviolet therapy. These cases highlight the importance of meticulous clinicopathological correlation with careful exclusion of mimicking conditions to arrive at the correct diagnosis.