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Cricopharyngeal Achalasia
Michael P. Federle, MD, FACR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            • Diagnostic Checklist

              TERMINOLOGY

              • Abbreviations

                • Cricopharyngeal achalasia (CPA)
              • Definitions

                • Failure of cricopharyngeal muscle (upper esophageal sphincter) relaxation due to hypertrophy or spasm

              IMAGING

              • General Features

                • Radiographic Findings

                  • Imaging Recommendations

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        • Gross Pathologic & Surgical Features

                          CLINICAL ISSUES

                          • Presentation

                            • Demographics

                              • Natural History & Prognosis

                                • Treatment

                                  DIAGNOSTIC CHECKLIST

                                  • Consider

                                    • Image Interpretation Pearls

                                      Selected References

                                      1. Wu MH et al: Perioperative images of cricopharyngeal achalasia. Ann Thorac Surg. 96(2):703, 2013
                                      2. Curtis DJ et al: The cricopharyngeal muscle: a videorecording review. AJR Am J Roentgenol. 142(3):497-500, 1984
                                      3. Ekberg O et al: Dysfunction of the cricopharyngeal muscle. A cineradiographic study of patients with dysphagia. Radiology. 143(2):481-6, 1982
                                      4. Bergman AB et al: Complete esophageal obstruction from cricopharyngeal achalasia. Radiology. 123(2):289-90, 1977
                                      Related Anatomy
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                                      Related Differential Diagnoses
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                                      References
                                      Tables

                                      Tables

                                      KEY FACTS

                                      • Terminology

                                        • Imaging

                                          • Top Differential Diagnoses

                                            • Pathology

                                              • Clinical Issues

                                                • Diagnostic Checklist

                                                  TERMINOLOGY

                                                  • Abbreviations

                                                    • Cricopharyngeal achalasia (CPA)
                                                  • Definitions

                                                    • Failure of cricopharyngeal muscle (upper esophageal sphincter) relaxation due to hypertrophy or spasm

                                                  IMAGING

                                                  • General Features

                                                    • Radiographic Findings

                                                      • Imaging Recommendations

                                                        DIFFERENTIAL DIAGNOSIS

                                                          PATHOLOGY

                                                          • General Features

                                                            • Gross Pathologic & Surgical Features

                                                              CLINICAL ISSUES

                                                              • Presentation

                                                                • Demographics

                                                                  • Natural History & Prognosis

                                                                    • Treatment

                                                                      DIAGNOSTIC CHECKLIST

                                                                      • Consider

                                                                        • Image Interpretation Pearls

                                                                          Selected References

                                                                          1. Wu MH et al: Perioperative images of cricopharyngeal achalasia. Ann Thorac Surg. 96(2):703, 2013
                                                                          2. Curtis DJ et al: The cricopharyngeal muscle: a videorecording review. AJR Am J Roentgenol. 142(3):497-500, 1984
                                                                          3. Ekberg O et al: Dysfunction of the cricopharyngeal muscle. A cineradiographic study of patients with dysphagia. Radiology. 143(2):481-6, 1982
                                                                          4. Bergman AB et al: Complete esophageal obstruction from cricopharyngeal achalasia. Radiology. 123(2):289-90, 1977