CTICasesEsophageal Duplication Cyst Extending Through Diaphragm
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[...]. Esophageal Duplication Cyst Extending Through Diaphragm. CTICases. Published January 15, 2015. https://str-case-explorer.pages.dev/c/sk9rw
Imaging findings
Initial CT abdomen shows a circumscribed, uniform, fluid-density lesion near the gastroesophageal junction along the lesser curve of the stomach. Follow-up chest CT and MRI, performed after the patient presented with acute left chest pain and a new pleural effusion, show the lesion has expanded, narrowed, and extended superiorly through the diaphragmatic hiatus into the middle mediastinum. Histology of the resected mass confirmed an inflamed esophageal duplication cyst.
Key takeaways
Esophageal duplication cysts are rare congenital foregut anomalies that typically present in the mediastinum but can occasionally extend through the esophageal hiatus of the diaphragm into the retroperitoneum. Inflammatory or hemorrhagic expansion of these cysts can mimic a pancreatic pseudocyst or a hiatal hernia and can lead to pleural effusions and acute chest pain.
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