title: [A man with a skin lesion on his abdomen].
abstract: A 56-year-old man presented with a skin lesion 2 days after surgery for a perianal abscess. The lesion was red, swollen and very painful, with central necrosis and arose shortly after starting coumarine therapy.
authors.affiliation: Atrium MC, afd. Interne Geneeskunde, Heerlen, the Netherlands. aythijssen@gmail.com
authors.forename: Annemieke Y
authors.initials: AY
authors.lastname: Thijssen
authors.forename: Guy J M
authors.initials: GJ
authors.lastname: Mostard
mesh_terms: D000038:Abscess / Q000601:surgery; D000925:Anticoagulants / Q000009:adverse effects*; D001004:Anus Diseases / Q000601:surgery; D003374:Coumarins / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009336:Necrosis / Q000139:chemically induced*; D012871:Skin Diseases / Q000139:chemically induced*
chemical_list: D000925:Anticoagulants; D003374:Coumarins; C030123:coumarin