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 Indian J Med Microbiol  
 

Figure 5 (A-E): De novo inflammatory mass on the posterior aspect of the left arm in a 57-year-old man. There was no history of trauma. Axial CT scan at day 16 (A), shows the presence of a slightly hypointense lesion with peripheral ossifications (arrow). USG at day 16 (B), shows a central hypoechoic area (star) encircled by a peripheral hyperechoic area, which corresponds to the calcified area (arrowheads). The third zone is the most peripheral area and is hypoechoic (large arrow). Surrounding hyperemia can be seen on Doppler (black arrows). Axial contrast enhanced fat-suppressed T1W MRI (C) shows global homogeneous enhancement of the lesion (arrow). Two months later, axial contrast enhanced fat-suppressed T1W MRI (D) shows dramatic reduction in the size and intensity of contrast enhancement (arrow). CT scan (E) demonstrates the disappearance of most of the ossifications (arrow)

Figure 5 (A-E): De novo inflammatory mass on the posterior aspect of the left arm in a 57-year-old man. There was no history of trauma. Axial CT scan at day 16 (A), shows the presence of a slightly hypointense lesion with peripheral ossifications (arrow). USG at day 16 (B), shows a central hypoechoic area (star) encircled by a peripheral hyperechoic area, which corresponds to the calcified area (arrowheads). The third zone is the most peripheral area and is hypoechoic (large arrow). Surrounding hyperemia can be seen on Doppler (black arrows). Axial contrast enhanced fat-suppressed T1W MRI (C) shows global homogeneous enhancement of the lesion (arrow). Two months later, axial contrast enhanced fat-suppressed T1W MRI (D) shows dramatic reduction in the size and intensity of contrast enhancement (arrow). CT scan (E) demonstrates the disappearance of most of the ossifications (arrow)