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- W4281606403 abstract "A 74-year-old male patient with a history of nausea, vomiting, and loss of appetite revealed thickening of the antrum and pylorus in gastroscopy and non-mucinous adenocarcinoma was diagnosed in the biopsy. The patient underwent 18F-FDG PET/CT for staging. PET/CT showed intense FDG uptakes in the primary lesion, locoregional lymph nodes and liver metastases. After 5-fluorouracil based chemotherapy, a complete metabolic response in metastatic liver lesions, lymph nodes, and the primary tumor was detected. Furthermore, tumor calcifications were observed in the liver and locoregional lymph node metastases. Although a complete response, there was a 40 percent serum CA 19-9 level increase. During the follow-up, intense FDG uptake was observed in the calcified metastatic liver lesions and some lymph nodes, similar to the continuous increase in serum CA 19-9 levels. Ascites, multiple metastatic lung nodules and metabolic progression in liver lesions were observed on PET/CT in the patient who continued to receive chemotherapy. Chez un homme de 74 ans ayant des antécédents de nausées, de vomissements et de perte d’appétit, il a été diagnostiqué un épaississement de l’antre et du pylore en gastroscopie et un adénocarcinome non mucineux lors de la biopsie. Une TEP/TDM au 18F-FDG a été réalisée pour la stadification. Elle a montré des captations intenses de FDG dans la lésion primaire, les ganglions lymphatiques locorégionaux et les métastases hépatiques. Après une chimiothérapie à base de 5-fluorouracile, une réponse métabolique complète dans les lésions hépatiques métastatiques, les ganglions lymphatiques et la tumeur primaire a été détectée. De plus, des calcifications tumorales ont été observées dans les métastases hépatiques et ganglionnaires locorégionales. Bien qu’il s’agisse d’une réponse complète, il y a eu une augmentation de 40 % du taux sérique de CA 19-9. Au cours du suivi, une absorption intense de FDG a été observée dans les lésions hépatiques métastatiques calcifiées et certains ganglions lymphatiques, similaire à l’augmentation continue des taux sériques de CA 19-9. Des ascites, de multiples nodules pulmonaires métastatiques et une progression métabolique dans les lésions hépatiques ont été observés à la TEP/TDM chez le patient qui a continué à recevoir la chimiothérapie." @default.
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- W4281606403 date "2022-08-01" @default.
- W4281606403 modified "2023-10-01" @default.
- W4281606403 title "Despite the increase of serum CA 19-9, complete metabolic response and tumoral calcifications in PET/CT: Could it be a tumor stunning after chemotherapy?" @default.
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- W4281606403 doi "https://doi.org/10.1016/j.mednuc.2022.02.003" @default.
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