期刊
INTERNAL MEDICINE
卷 56, 期 3, 页码 295-300出版社
JAPAN SOC INTERNAL MEDICINE
DOI: 10.2169/internalmedicine.56.7274
关键词
Li-Fraumeni syndrome; TP53; laterally spreading tumor; colorectal cancer; colorectal polyps
A young woman with Li-Fraumeni syndrome (LFS) was referred to our hospital. On examination, multiple flat neoplasms were detected in addition to semi-pedunculated polyps. Restorative proctocolectomy was performed; one submucosal invasive cancer, two mucosal cancers, and several adenomas with high-grade dysplasia were detected. On immunohistochemical staining with p53, every part of all neoplasms, even the small adenomas, showed strong positive staining. Multiple flat neoplasms may be characteristic of patients with LFS and may have a much higher risk of rapid progression to invasive carcinomas than sporadic neoplasms. Thus, careful and frequent colonoscopy surveillance may be needed for patients with LFS.
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