Plexiform Angiomyxoid Myofibroblastic Tumor of the Stomach: A Case Report

Title
Plexiform Angiomyxoid Myofibroblastic Tumor of the Stomach: A Case Report
Author(s)
배영경최준혁김애리신형찬
Issue Date
201111
Publisher
KOREAN ACAD MEDICAL SCIENCES
Citation
JOURNAL OF KOREAN MEDICAL SCIENCE, v.26, no.11, pp.1508 - 1511
Abstract
Plexiform angiomyxoid myofibroblastic tumor (PAMT) is a recently described mesenchymal tumor of the stomach. We report the first case of PAMT in Korea. A 52-yr-old man underwent esophagogastroduodenoscopy due to dyspepsia for 2 yr. There was a submucosal mass with small mucosal ulceration in the gastric antrum. The tumor measured 3.5 x 2.3 cm in size and showed multinodular plexiform growth pattern of bland-looking spindle cells separated by an abundant myxoid or fibromyxoid matrix rich in small thin-walled blood vessels. The tumor cells were negative for CD117 (c-KIT), CD34 and S-100 protein, but diffusely positive for smooth muscle actin consistent with predominant myofibroblastic differentiation. The patient is doing well without recurrence or metastasis for 5 months after surgery. Although there have been limited follow-up data, PAMT is regarded as a benign gastric neoplasm with histological and immunohistochemical charateristics distinguished from gastrointestinal stromal tumor and other mesenchymal tumors of the stomach.
URI
http://hdl.handle.net/YU.REPOSITORY/24294http://dx.doi.org/10.3346/jkms.2011.26.11.1508
ISSN
1011-8934
Appears in Collections:
의과대학 > 병리학교실 > Articles
의과대학 > 영상의학과학교실 > Articles
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