A Smooth Esophageal Stricture Causing Dysphagia
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Dysphagia in patients with lung cancer is usually due to direct invasion from bronchogenic carcinomas or nodal localizations, while metastases from distant lung neoplasms are considered rare. We report a case of a smooth esophageal narrowing secondary to intramural metastasis from pulmonary adenocarcinoma in a patient with no previous history of neoplasia. Since standard linear echoendoscope could not overpass the malignant stricture, we obtained a histological diagnosis by fine-needle aspiration biopsy using an echobronchoscope (EBUS), due to its lower diameter. The EBUS scope represents a valuable tool to obtain cytological specimens in patients with esophageal strictures.
KeywordsEsophageal stenosis Esophageal stricture Fine-needle aspiration Endoultrasonography Lung cancer Metastasis
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Conflicts of interest
The authors declare that they have no conflicts of interest.