Pulmonary mycetomas on radiographs most commonly show as
The fungal ball produces a tumor-like opacity on X ray,but can be distinguished from a carcinoma by the presence of a crescent of air between the fungal ball and the upper wall of the cavity(Air crescent sign).HRCT is more sensitive. Reference:Davidson's Medicine-22nd edition,page no:698.
Air fluid level
Lucent crescent
Eccentric nodule
Rim calcification
Respiratory system