Radiologic manifestations of early gastric lymphoma

The radiologic features of 12 early gastric lymphomas in six patients were analyzed and correlated with the clinicopathologic findings. One 0.7-cm lesion on the anterior wall of the corpus could not be detected radiologically either prospectively or retrospectively. All tumors were smaller than 7.0 cm (mean, 3.5) and located within the stomach. A frequent finding was localized, slight enlargement of folds with a smooth contour, suggesting submucosal tumor infiltration. These folds were more apparent in the radiograph than in the surgical specimen, and were easily deformed by the compression method or became less prominent in the more distended stomach. Ulcer was demonstrated in all lesions, usually appearing as an unicentral, indefinite shallow depression. Deep, well demarcated ulcer was found in three lesions, and a smooth marginal elevation indicated a submucosal tumor growth. These findings were proven to be helpful in differential diagnosis from carcinoma and peptic diseases. All patients are alive and free of recurrence 15-112 months (mean, 53) after surgical resection.
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