RT Journal A1 Addlestone RB, Witt WS, Kaiser AB T1 TUberculosis of the mandible presenting as 'lumpy jaw' JF JAMA JO JAMA YR 1979 FD June 8 VO 241 IS 23 SP 2544 OP 2545 DO 10.1001/jama.1979.03290490050029 UL http://dx.doi.org/10.1001/jama.1979.03290490050029 AB TUBERCULOSIS of the mandible has been diagnosed infrequently since the advent of effective antituberculosis medication. Initially, localized swelling of the jaw may be considered to represent pyogenic abscess or confused with actinomycosis of the mandible ("lumpy jaw"). We describe here a recent case in which a tuberculous cystic lesion of the mandible was initially misdiagnosed as "lumpy jaw."Report of a CaseĀ  An 18-year-old, black college student was hospitalized with a six-week history of a swollen left jaw and a one-week history of a "lump" on the right leg. She had experienced pain around a wisdom tooth prior to the jaw swelling. Approximately four weeks prior to admission, she began taking oral penicillin G potassium as prescribed by her dentist. Approximately one week prior to admission, she noted a localized swelling and tenderness over the lateral aspect of the proximal end of the right lower leg.Three days prior to