case_images: PMC11032180_01
case_images: PMC11032180_02
case_images: FDG-PET scan on admission. a Coronal section showing mildly increased uptake in the stomach and caecum. b Axial section in the upper abdomen shows increased stomach wall uptake. c Axial section in the lower abdomen shows increased caecum uptake.
case_images: crg-2024-0018-0001-538462_F01.jpg
case_images: PMC11032180_02_crg-2024-0018-0001-538462_F01.jpg
case_images: F1
case_images: Due to the undifferentiated nature of the illness, the FDG-PET scan was repeated, which showed similar results to the first FDG-PET scan with increased uptake in the stomach and caecum (Fig. 1).
case_images: Endoscopic findings. a Severe nodular gastritis throughout the stomach. b Isolated gastric ulcer. Normal endoscopic examination of the duodenum (c), jejunum (d), terminal ileum (e), and caecum (f).
case_images: crg-2024-0018-0001-538462_F02.jpg
case_images: PMC11032180_02_crg-2024-0018-0001-538462_F02.jpg
case_images: F2
case_images: Multiple biopsies were taken from the examined areas and sent for investigations, including Tropheryma Whipplei PCR; the colonoscopic examination was unremarkable, including the caecum and terminal ileum (Fig. 2).
case_images: Histopathology findings throughout the gastrointestinal tract. a, b, c Foamy histiocytes. d, e Positive periodic acid-Schiff (PAS) stain in the lamina propria.
case_images: crg-2024-0018-0001-538462_F03.jpg
case_images: PMC11032180_02_crg-2024-0018-0001-538462_F03.jpg
case_images: F3
case_images: PAS-positive material (Fig. 3). PAS staining was not done on the gastric biopsies due to no inflammatory or other histological changes.
case_images: PMC11032180_03