PMC8034788_01
Maximum intensity projection (a) of whole body fluorodeoxyglucose positron emission tomography/computed tomography scan. Axial and coronal computed tomography and fused positron emission tomography/computed tomography (b-e) Images showing fluorodeoxyglucose avid nodular mural thickening, more in the neck and fundus of gallbladder abutting the adjacent hepatic parenchyma. Axial computed tomography arterial and portovenous phases (f-g) showing asymmetric thickening of gallbladder wall in fundus region, with hypodense areas within, abutting adjacent liver
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F1
Whole-body 18F-FDG PET/CT scan was suggestive of cholelithiasis with intensely FDG avid [Figure 1a-g] circumferential nodular mural thickening in gall bladder, more in the fundus region, showing loss of fat planes with the adjacent liver with small hypodense areas within (arrows).
Gallbladder with ulcerated surface epithelium. Wall shows dense mixed inflammatory infiltrate rich in histiocytes (a, H and E x 101). Gallbladder wall shows dense mixed inflammatory infiltrate rich in histiocytes, diffusely infiltrating into the muscle (b, H and E x 200)
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F2
The histopathology [Figure 2] showed gallbladder mucosa was completely ulcerated with only few foci of flattened mucosa.