PT - JOURNAL ARTICLE ED - , TI - Postscript AID - 10.1136/dtb.29.15.60-a DP - 1991 Jul 22 TA - Drug and Therapeutics Bulletin PG - 60--60 VI - 29 IP - 15 4099 - http://dtb.bmj.com/content/29/15/60.2.short 4100 - http://dtb.bmj.com/content/29/15/60.2.full SO - Drug Ther Bull1991 Jul 22; 29 AB - Extra-pulmonary tuberculosis (2 April 1991, page 26) was about infections caused by Mycobacterium tuberculosis, and excluded infections by atypical mycobacteria such as M. avium-intracellulare. These atypical organisms are the commonest cause of lymphadenitis in children and respond poorly to chemotherapy.