Synonyms

Retention of contrast in hypopharynx

May Be Caused by

 Common

Achalasia

Amyotrophic lateral sclerosis

Bulbar palsy

Bulbar poliomyelitis

Carcinoma

Connective tissue disease

Cranial nerve palsy

Cricopharyngeal achalasia

Dermatomyositis

Diphtheria

Esophageal obstruction

High unilateral cervical vagotomy

Multiple sclerosis

Myasthenia gravis

Myotonic dystrophy

Oculopharyngeal myopathy

Parkinsonism

Pseudobulbar palsy

Radiation therapy

Riley-Day syndrome

Scleroderma

Steroid myopathy

Stroke

Syringomyelia

Tetanus

Thyrotoxic myopathy

Zenker diverticulum

 Uncommon

Cervical lymphadenopathy

Congenital esophageal web

Esophageal web

Hematoma of neck

Lye stricture

Peritonsillar abscess

Peritonsillar cellulitis

Pharyngeal abscess

Pharyngeal cellulitis

Plummer-Vinson syndrome

Stricture

Thyroid neoplasm