Discordant Metabolic Response on 18F-FDG PET/CT in Synchronous Primary Gastric Lymphoma and Gastric Adenocarcinoma.
case_report · Level V
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- Record sourced from PubMed, PMID 35006108.
- Also identified by DOI 10.1097/RLU.0000000000004006 and PMC identifier 8746905.
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Abstract
An 84-year-old man presented with dysphagia for 20 days. The biopsies of the multiple lesions through gastroscopy revealed gastric diffuse large B-cell lymphoma and gastric adenocarcinoma. Staging 18F-FDG PET/CT showed multiple hypermetabolic lesions in the stomach, abdomen, and pelvis. After 4 courses of chemotherapy, except for the lesion of biopsy-proven gastric adenocarcinoma, other hypermetabolic lesions in stomach and other sites returned to normal on posttherapy 18F-FDG PET/CT. This case indicated that 18F-FDG PET/CT can track differential treatment response of synchronous gastric tumors and guide subsequent therapy.
Medical subject headings
- Adenocarcinoma
- Stomach Neoplasms