An adult with common acute lymphoblastic leukaemia (C-ALL) presenting with skin infiltration.
 A 22-year-old man presented with multiple raised erythematous skin lesions, pyrexia and epistaxis.
 A diagnosis of common acute lymphoblastic leukaemia (C-ALL) was made by morphological, cytochemical, immunological and cytogenetic examination of peripheral blood and bone marrow.
 Biopsy of the skin revealed leukaemic infiltration by similar cells.
