Figure 3: Axial view of the plain CT thorax showing low density collection in the pectoralis major muscle of the left hemithorax (a) with underlying costochondral junction showing break in cortex (b). – Tuberculosis (TB) remains a global public health concern; most notably in endemic countries where there is a rise in its incidence. Although primary pulmonary involvement accounts for the majority of TB cases, extrapulmonary tuberculosis (EPTB) is rapidly growing in high income countries.