Preoperative Staging of Gastric Adenocarcinoma: Comparison of Helical CT and Endoscopic US
- 1 February 2004
- journal article
- Published by Radiological Society of North America (RSNA) in Radiology
- Vol. 230 (2), 465-471
- https://doi.org/10.1148/radiol.2302020828
Abstract
PURPOSE: To compare the performance of helical computed tomography (CT) and endoscopic ultrasonography (US) in the preoperative staging of gastric cancer. MATERIALS AND METHODS: Fifty-one consecutive patients with a primary malignant gastric tumor (stage T2–T4) were preoperatively evaluated with both helical CT and endoscopic US within 3 days. Each tumor was staged according to the TNM classification system with both modalities. All patients subsequently underwent surgery. Results of CT and endoscopic US were compared with histologic staging of tumor invasion depth and regional lymph node metastasis. For comparison of CT and endoscopic US data, the marginal homogeneity test was used, and a P value of less than .05 was determined to indicate statistical significance. RESULTS: In comparison with histologic results, CT achieved correct T staging in 39 patients (76%) and correct N staging in 35 patients (70%). The corresponding results for endoscopic US achieved correct T staging in 44 patients (86%) and correct N staging in 45 patients (90%). There was no significant difference between T staging (P = .55) and N staging (P > .99). Because of challenging detection of wall layers, correct T staging was difficult for CT and endoscopic US in the differentiation of T2 and T3 lesions. CONCLUSION: Compared with endoscopic US, helical CT focused on the stomach provides valuable results regarding T and N staging in patients with gastric cancer. © RSNA, 2004Keywords
This publication has 28 references indexed in Scilit:
- Surgical approaches and outcomes in the treatment of gastric cancerSeminars in Radiation Oncology, 2002
- A systematic review of the staging performance of endoscopic ultrasound in gastro-oesophageal carcinomaGut, 2001
- Spiral CT of the gastric carcinomaClinical Imaging, 2001
- Endoscopic ultrasonography in the preoperative staging of gastric cancerSurgical Endoscopy, 2000
- Quality control of lymph node dissection in the Dutch randomized trial of D1 and D2 lymph node dissection for gastric cancerGastric Cancer, 1998
- Efficacy of Helical CT in T-Staging of Gastric CancerJournal of Computer Assisted Tomography, 1997
- Preoperative assessment of gastric carcinoma: value of two-phase dynamic CT with mechanical iv. injection of contrast material.American Journal of Roentgenology, 1994
- Cancer statistics, 1991CA: A Cancer Journal for Clinicians, 1991
- The role of lymph node surgery in gastric cancerWorld Journal of Surgery, 1987
- The pre-operative assessment of advanced gastric cancer by computed tomographyBritish Journal of Surgery, 1984