HER2-Negative Schnitzler Metastasis to the Rectum Detected Using 18 F-FDG PET/CT.
case_report · Level V
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- Record sourced from PubMed, PMID 35384884.
- Also identified by DOI 10.1097/RLU.0000000000004208.
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Abstract
Gastric carcinoma metastasis occurs via hematogenous, lymphatic, or peritoneal seeding. We describe FDG PET/CT findings of Schnitzler metastasis to the rectum in a 39-year-old woman who had radical gastrectomy for signet ring gastric adenocarcinoma 2 years prior. FDG PET/CT demonstrated increased homogeneous round activity in the inner layer of rectal wall. Occult metastases of gastric carcinoma tend to be difficult to treat and have a poor prognosis. However, in some cases, FDG PET/CT might be beneficial for early detection and diagnosis of Schnitzler metastasis.
Medical subject headings
- Carcinoma
- Stomach Neoplasms