title: Postcricoid pseudotumor.
abstract: Normal anatomic structures may cause filling defects in the anterior wall of the hypopharynx and upper esophagus on an esophagogram, suggestive of a mass lesion. I have called this finding postcricoid pseudotumor, to emphasize the ease with which it may misleadingly simulate a tumor mass.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003413:Cricoid Cartilage / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging*; D004947:Esophagus / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007013:Hypopharynx / Q000000981:diagnostic imaging*; D007223:Infant; D007817:Laryngeal Cartilages / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D010610:Pharyngeal Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography