Stomach cancer other imaging findings
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Parminder Dhingra, M.D. [2] Mohammed Abdelwahed M.D[3]
Overview
Barium studies may be diagnostic of stomach cancer. The sensitivity of barium meals may be 14%. False-negative barium studies can occur in 50 percent of cases. There are three types of early gastric cancer which include polypoid, ulcerated, and superficial.
Barium studies
- Barium studies (double contrast barium) can identify both malignant gastric ulcers and infiltrating lesions.
- False-negative barium studies can occur in 50 percent of cases.[1]
- For early gastric cancer, the sensitivity of barium meals may be 14%.[2]
- Early gastric cancer has three types:
- Type I: Elevated lesion, protrudes >5 mm into lumen (polypoid).
- Type II: Superficial lesion (plaque-like, mucosal nodularity, ulceration).
- Type III: Shallow, irregular ulcer crater with adjacent nodular mucosa and clubbing/fusion/amputation of radiation folds.
- Advanced gastric cancer may further be of the following types:[3]
- Polypoid cancer can be lobulated or fungating.
- Lesion on anterior wall: A thin layer of barium trapped between edge of mass & adjacent mucosa.
- Ulcerated carcinoma: 70% of all gastric cancers.
References
- ↑ Dooley CP, Larson AW, Stace NH, Renner IG, Valenzuela JE, Eliasoph J; et al. (1984). “Double-contrast barium meal and upper gastrointestinal endoscopy. A comparative study”. Ann Intern Med. 101 (4): 538–45. PMID 6383166.
- ↑ Longo WE, Zucker KA, Zdon MJ, Modlin IM (1989). “Detection of early gastric cancer in an aggressive endoscopy unit”. Am Surg. 55 (2): 100–4. PMID 2916797.
- ↑ http://radiopaedia.org/articles/gastric-carcinoma
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