Joffe N, Antonioli D A
AJR Am J Roentgenol. 1978 Jul;131(1):147-52. doi: 10.2214/ajr.131.1.147.
The vast majority of epithelial polyps of the stomach can be divided into two groups: (1) hyperplastic or regenerative polyps, and (2) adenomas. Of the two, hyperplastic polyps are much more common; they are nonneoplastic lesions which are typically asymptomatic, small, smooth-surfaced, and often multiple. Malignant transformation virtually never occurs in this group of polyps. Adenomas are true neoplasms; they are relatively large, have an irregular surface, and show a distinct tendency to undergo malignant transformation. In this paper the radiologic appearances of hyperplastic gastric polyps, with special reference to atypical findings, are discussed and illustrated. It is shown that simple hyperplastic polyps may present any or all of the radiologic criteria suggestive of gastric adenomas or even frank malignancy. Thus, while radiology plays a vital role in the initial detection and followup of gastric polyps, optimum clinical management of the patient is best based on knowledge of the histologic structure of the lesion obtained by endoscopy and biopsy.
（1）增生性或再生性息肉，以及（2）腺瘤。在这两种息肉中，增生性息肉更为常见；它们是非肿瘤性病变，通常无症状，体积小，表面光滑，且常常为多发。这类息肉几乎不会发生恶变。腺瘤是真正的肿瘤；它们相对较大，表面不规则，并且明显有恶变倾向。本文讨论并举例说明了增生性胃息肉的放射学表现，特别提及了非典型表现。结果表明，单纯增生性息肉可能呈现出提示胃腺瘤甚至明显恶性肿瘤的任何或所有放射学标准。因此，虽然放射学在胃息肉的初步检测和随访中起着至关重要的作用，但对患者的最佳临床管理最好基于通过内镜检查和活检获得的病变组织学结构知识。
