GRAFT VERSUS HOST REACTION

Abstract

ABSTRACT A 27‐year‐old man with acute lymphocytic leukemia (ALL) received a bone marrow transplant (BMT). On day 27, he developed erythematous maculopapular lesions all over his body. This rash improved within a month. Histological findings were obtained comparing those of the graft versus host reaction (GVHR). Five months later, he developed macular lesions on his body, clinically suggestive of lichen planus. Histologically, it was also compatible with lichen planus. He exhibited the grade I changes of acute GVHR described in Lerner's classification, and lichen planus‐like eruptions as the chronic form.