A child with acute lymphoblastic leukemia and pseudomonas sepsis rapidly developed left foot pain and swelling. A diagnosis of ecthyma gangrenosum was made. The clinical and imaging features of this unusual entity are discussed. To our knowledge, this is the first description of the MR imaging findings of ecthyma gangrenosum.
Keywords: MRI; ecthyma gangrenosum; pediatric; pseudomonas.