Thursday, May 5, 2011

Eponyms in Tuberculosis

  • Ghon focus: Initial site of parenchymal involvement at the time of first infection.
  • Ranke complex: Combination of a Ghon focus and enlarged or calcified lymph nodes.
  • Simon foci: Apical nodules (often calcified) that result from hematogenous seeding at the time of initial infection.
  • Rasmussen aneurysm: Pseudoaneurysm of a pulmonary artery caused by erosion from an adjacent tuberculous cavity. Can form months to years after cavity formation.
  • Pott disease: Tuberculosis of the spine.


  • Leung AN. Pulmonary tuberculosis: the essentials. Radiology. 1999 Feb;210(2):307-22.

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