Delayed Esophageal Perforation With Esophagomediastinal Fistula and Mediastinal Abscess Mimicking Malignancy on 18F-FDG PET/CT After Hard Fish Chunk Impaction.
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- Record sourced from PubMed, PMID 42622249.
- Also identified by DOI 10.1097/RLU.0000000000006671.
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Abstract
A 74-year-old woman with a pulmonary nodule showing interval growth on follow-up imaging presented with dysphagia and abdominal bloating. 18F-FDG PET/CT displayed a gas-containing subcarinal soft-tissue density with intense FDG uptake and communicating with the adjacent hypermetabolic and focally thickened esophagus. These findings indicated a strong suspicion for esophageal malignancy complicated by fistula formation. Subsequent endoscopy demonstrated a nodular mucosal protrusion with a fistulous opening, revealing no evidence of malignancy. The patient received conservative treatment and clinical improvement. A coexisting left upper lobe ground-glass nodule with mild FDG uptake, unrelated to the esophageal lesion, was suggestive of early adenocarcinoma.