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"True" parahiatal hernia: a rare entity radiologic presentation and clinical management
Michael G Scheidler1, Robert J Keenan, Richard H Maley
1Divisions of General Thoracic and Minimally Invasive Surgery, Allegheny General Hospital, Pittsburgh, Pennsylvania 15213, USA.
Background:
True parahiatal diaphragmatic hernias are rare entities that are sparsely accounted for in the literature. The current report is intended to depict the clinical profile and assess the feasibility of laparoscopic repair of parahiatal hernias.
Methods:
We conducted a retrospective review of all patients diagnosed and treated for parahiatal hernias. Clinical presentation and radiological assessment, as well as operative findings and repair, are discussed.
Results:
Of the 917 laparoscopic hiatal hernia repairs, 2 (0.2%) patients were identified with a parahiatal hernia. The presenting symptoms and preoperative testing were similar to those with more common paraesophageal hernias. Laparoscopic repair was successful in repairing the diaphragmatic defect and alleviating symptoms up to 4 years postoperatively.
Conclusions:
Parahiatal hernias of the diaphragm appear to be rare primary diaphragmatic defects. The clinical presentation of parahiatal hernias is often indistinguishable from the more common paraesophageal pathology. Laparoscopic repair of this rare entity can be safely and successfully accomplished in conjunction with antireflux surgical interventions when indicated.