Radiological Imaging in Oesophageal and Gastric Cancers
Imaging modalities used to assess carcinoma of the oesophagus and stomach include barium studies, endoscopic ultrasound (EUS), multi-detector CT (MDCT), magnetic resonance imaging (MRI) and PET-CT (see separate chapter). Historically, patients who presented with dysphagia were frequently referred for a barium swallow study if an irregular stricture was identified they proceeded to endoscopy for diagnosis. Assessment of the stomach with barium required a double-contrast study with contrast and air to detect and localise a gastric tumour; however due to advances in endoscopy, EUS and MDCT, the use of barium studies has declined .
KeywordsGastric Carcinoma Oesophageal Carcinoma Irregular Stricture Multimodality Imaging Approach Hepatoduodenal Lymph Node
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