Tuberculin test is said to be positive when there is.
Correct Answer: Induration
Description: - A positive tuberculin test is when an induration of diameter 10 mm more is present. - erythema is not taken into account. - It indicates hypersensitivity to tuberculoprotein, denoting infection with tubercle bacilli or BCG immunisation , recent or past with or without clinical disease. Reference : Anathanarayan & paniker&;s 9th edition, pg no: 354,355
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Pediatrics
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