title: Case 1-2012: a man with persistent ulcers on the hands.
authors.forename: Emmanuella
authors.initials: E
authors.lastname: Guenova
authors.forename: Wolfram
authors.initials: W
authors.lastname: Hoetzenecker
mesh_terms: D001853:Bone Marrow / Q000473:pathology*; D006801:Humans; D008297:Male; D009190:Myelodysplastic Syndromes / Q000473:pathology*; D017511:Pyoderma Gangrenosum / Q000473:pathology*; D012867:Skin / Q000473:pathology*; D014456:Ulcer / Q000473:pathology*