There is excessive enhancement or thickening of the mucosa or hypertrophy of the lymphoid tissue in the nasopharynx.

There is evidence of an abscess within the lymphoid tissue of the nasopharynx.

There is edema within the fat of the adjacent parapharyngeal space.

There is abscess within the fat of the adjacent parapharyngeal space.

There is edema within the fat of the adjacent retropharyngeal space.

There is an abscess within the fat of the adjacent retropharyngeal space.

There is excessive enhancement or thickening of the mucosa or hypertrophy of the palatine or lingual tonsillar tissue or the lymphoid tissue along the glossotonsillar sulci and posterior pharyngeal wall.

There is abscess relatively centrally within the lymphoid tissue of the palatine tonsil.

There is abscess at the periphery of the lymphoid tissue of the palatine tonsil within the potential peritonsillar space.

There is edema within the fat of the adjacent parapharyngeal space.

There is abscess within the fat of the adjacent parapharyngeal space.

There is edema within the fat of the adjacent retropharyngeal space.

There is an abscess within the fat of the adjacent retropharyngeal space.

There is reactive retropharyngeal lymphadenopathy.

There is suppurative retropharyngeal lymphadenopathy.

If there is suppurative retropharyngeal adenopathy what is the maximum short axis dimension of the largest suppurative node. MEASUREMENT

There is related edema/abscess within the adjacent parapharyngeal/retropharyngeal spaces.

There is reactive cervical lymphadenopathy.

There is suppurative cervical lymphadenopathy.

There is excessive enhancement or thickening of the mucosa within the hypopharynx, larynx or trachea.

There is edema within the hypopharynx, larynx or trachea.

There is abscess within in the hypopharynx, larynx or trachea.

There is edema within the adjacent deep neck, retropharyngeal and/or prevertebral spaces.

There is abscess within the adjacent deep neck, retropharyngeal and/or prevertebral spaces.

There is significant abnormality of these structures that would be an alternate explanation for the patient’s symptoms.

There is significant abnormality of the parotid, submandibular or sublingual glands that would be an alternate explanation for the patient’s symptoms.

There is evidence of thrombus, thrombophlebitis or other occlusive or inflammatory process of the jugular vein.

There is evidence of thrombus, thrombophlebitis or other occlusive or inflammatory process of smaller jugular venous tributaries.

There is evidence of thrombus, inflammation of the common, external or internal carotid artery.

There is evidence of a contained leakage from an arterial source.

There is evidence of active extravasation from an arterial source.

The upper lung zones and mediastinum visualized are abnormal.

Other significant abnormal findings are present.