An 8-year-old girl, admitted to the Harbo—UCLA Medical Center, Torrance, Calif, was noted to have a positive tuberculin skin test on a routine examination at a public health center. A chest roentgenogram showed an extensive left upper lobe calcification (Fig 1, left and right). The patient had been and remained asymptomatic; she denied fever, cough, chills, night sweats, weight loss, or lack of appetite. Her parents were in good health, but her mother, who had a tuberculin-negative test five years previously, now had a tuberculin-positive test, as did her father. The family had been in Mexico for one month 1½ years earlier.
The patient appeared to be well developed and well nourished; her physical examination did not show any more abnormalities. Complete blood cell and differential cell counts, ESR, electrolyte determinations, and liver function test results were all within normal limits. A tomogram of the chest (Fig 2, left and
Bui HD, Keller MA, Jayich SA, et al. Radiological Case of the Month. Am J Dis Child. 1984;138(1):91–93. doi:10.1001/archpedi.1984.02140390079024
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