Article

Pharyngeal retention cysts: radiographic findings in seven patients.

Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce St., Philadelphia, PA 19104, USA.
American Journal of Roentgenology (impact factor: 2.78). 04/2005; 184(3):793-6. pp.793-6
Source: PubMed

ABSTRACT OBJECTIVE: The purpose of this study was to better characterize the radiographic features of pharyngeal retention cysts on double-contrast pharyngograms. CONCLUSION: Pharyngeal retention cysts typically involve the valleculae, appearing on double-contrast pharyngograms as small, round or ovoid, well-circumscribed, smooth-surfaced submucosal masses that are best visualized on frontal views of the pharynx. Such features should be highly suggestive of benign retention cysts, obviating further diagnostic workup in asymptomatic patients. When the cysts are lobulated or completely obliterate the valleculae, however, further evaluation by otolaryngologic examination may be required to rule out malignant tumor in the pharynx.

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Keywords

asymptomatic patients
 
benign retention cysts
 
double-contrast pharyngograms
 
frontal views
 
malignant tumor
 
obliterate
 
otolaryngologic examination
 
pharyngeal retention cysts
 
small
 
smooth-surfaced submucosal masses
 
valleculae
 
visualized
 
well-circumscribed