Pyoderma gangrenosum in childhood acute lymphoblastic leukemia

Pyoderma gangrenosum (PG) is a sterile neutrophilic dermatosis which occurs either idiopathically or associated with various systemic diseases and malignancies. Although the association of PG with myeloid malignancies is well known, its association with lymphoid malignancy especially in children is extremely rare. We describe PG in association with acute lymphoblastic leukemia in a 4-year-old child, an occurrence which has been reported just once previously to the best of our knowledge