“…From the variables associated to the delay in the diagnosis, the "classification of the case" is related to the fact that the diagnosis of extrapulmonary forms is made from clinical evidences and laboratory findings suggesting active forms in patients with at least one positive culture for Mycobacterium tuberculosis in extrapulmonary material 27 . There is difficulty in the clinical diagnosis, once that the symptoms are not specific and insidious, being, many times, made by exclusion of other diseases 23,28,29 .…”