The diagnosis of<unk>  abscess may be made without the use of imaging however, imaging options may help in differentiating<unk>  abscess from other simialr conditions example,<unk>  cellulitis, retropharyngeal abscess and epiglottitis.  On<unk> <unk>  abscess appears as focal irregularly marginated hypoechoic area.
Peritonsillar abscess Ultrasound
Peritonsillar abscess CT scan
Peritonsillar abscess physical examination
Lung abscess CT
Pancoast tumor CT
Mediastinitis CT
Mediastinitis MRI
Bronchiectasis CT