title: AJR teaching file: Cavitated mass with hypertrophic osteoarthropathy.
authors.affiliation: Department of Radiology, Mayo Clinic Scottsdale, 13400 E Shea Blvd., Scottsdale, AZ 85259, USA.
authors.forename: Dean A
authors.initials: DA
authors.lastname: McNaughton
authors.forename: Ba D
authors.initials: BD
authors.lastname: Nguyen
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D008169:Lung Abscess / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D010005:Osteoarthropathy, Secondary Hypertrophic / Q000175:diagnosis*; D011859:Radiography; D011877:Radionuclide Imaging; D013290:Streptococcal Infections / Q000175:diagnosis*; D034363:Viridans Streptococci / Q000302:isolation & purification*