Clinical and pathological pictures of myelodysplasia cutis. (A) Arm annular edematous, erythematous (inflammatory) plaques (SS-like) in patient number 1. (B) Forehead edematous, erythematous (inflammatory) papules (SS-like) in patient number 7. (C) Dark red diffuse papulo-nodules (leukemia cutis–like) in patient number 2. (D) Pink red diffuses papulo-nodules (leukemia cutis–like) in patient number 4. (E) Inflammatory infiltrate consisting of myeloid cells with indented nuclei corresponding to metamyelocytes or band neutrophils, with some of them carrying pseudo–Pelger-Huet abnormality (hematoxylin-eosin-saffron, original magnification ×1000). (F) Myeloid cells expressed myeloperoxidase (immunostaining, ×1000).