title: Visual diagnosis: an infant who has a red papule on a swollen, tender arm.
authors.affiliation: St. Christopher's Hospital for Children, Drexel University College of Medicine, Philadelphia, PA, USA.
authors.forename: Randi
authors.initials: R
authors.lastname: Sjogren
authors.forename: Robert S
authors.initials: RS
authors.lastname: McGregor
authors.forename: Joseph
authors.initials: J
authors.lastname: Zenel
mesh_terms: D000881:Anthrax / Q000175:diagnosis; D003937:Diagnosis, Differential; D004473:Ecthyma / Q000175:diagnosis* / Q000382:microbiology; D004487:Edema; D005260:Female; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000150:complications; D007223:Infant; D011552:Pseudomonas Infections / Q000175:diagnosis* / Q000209:etiology; D011550:Pseudomonas aeruginosa / Q000302:isolation & purification; D017192:Skin Diseases, Bacterial / Q000175:diagnosis* / Q000209:etiology; D001098:Spider Bites / Q000150:complications