ArticleInternational journal of general medicine2025
Differential Diagnostic Value of Gastrointestinal Ultrasound Contrast Filling Method in Differentiating Gastric Tumors and Ulcers in the Elderly.
Article in International journal of general medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To evaluate the differential diagnostic value of the gastrointestinal ultrasound contrast filling method in distinguishing gastric tumors from gastric ulcers in elderly patients. Methods: We retrospectively analyzed 274 elderly patients diagnosed with gastric diseases between January 2022 and October 2024, confirmed by endoscopic pathology as gastric tumors (n=82) or gastric ulcers (n=192). All underwent gastrointestinal ultrasound contrast filling. Differences in conventional ultrasound features (internal echo, calcification, morphology, classification) and contrast-enhanced ultrasound parameters [enhancement intensity (EI), time to peak (TTP), area under curve (AUC), arrival time (AT)] were compared. Spearman correlation assessed parameter-tumor relationships. ROC curves evaluated diagnostic performance. Results: The tumor group showed higher rates of low internal echo, calcification, irregular morphology, and type II classification than the ulcer group (P<0.05). EI, TTP, AUC, and AT were significantly elevated in tumors (P<0.05), correlating positively with tumor occurrence (r=0.524-0.597, P<0.05). ROC analysis yielded an AUC of 0.947, with sensitivity 96.72% and specificity 98.91%. Conclusion: Gastrointestinal ultrasound contrast filling effectively demonstrates both conventional and enhancement features of gastric lesions in the elderly, providing high sensitivity and specificity for differentiating gastric tumors from gastric ulcers.
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