title: Pyoderma gangrenosum with myelofibrosis.
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D011087:Polycythemia Vera / Q000150:complications*; D011241:Prednisone / Q000627:therapeutic use; D055728:Primary Myelofibrosis / Q000150:complications*; D011711:Pyoderma / Q000150:complications* / Q000188:drug therapy / Q000209:etiology; D011725:Pyridines / Q000627:therapeutic use; D012883:Skin Ulcer / Q000150:complications* / Q000188:drug therapy; D013424:Sulfanilamides / Q000627:therapeutic use
chemical_list: D011725:Pyridines; D013424:Sulfanilamides; D011241:Prednisone