“…Thirty to 50% of all extrapulmonary cases of TB involve the peripheral lymph nodes 17,25,38,71,73 making this a common entity in areas in the United States with a high incidence of TB. In Santa Clara County, California, the annual TB case rate between 1994 and 1999 averaged 16.3/ 100,000 population, in comparison to 7.8/100,000 population in the United States as a whole, with tuberculous adenitis accounting for 9% of all Santa Clara County cases 17,73 .…”