Whole-body 18F-FDG PET/CT scan in a patient with Gallbladder Cancer taken from the PETWB-REP dataset. The following English report (translated from original Chinese) is taken verbatim from the public dataset and has not been modified or otherwise checked for accuracy (see the end for citation).

Findings

After fasting and intravenous injection of 18F-FDG, a whole-body PET/CT scan was performed.
The whole-body scan showed: Brain morphology and structure were normal, with punctate, slightly low-density shadows in the deep brain regions; FDG metabolism was normal.
The ventricles, sulci, fissures, and cisterns were widened, but local density and FDG uptake were normal; midline shift was not observed.
Both eyes were symmetrical, with no obvious abnormalities.
A cystic shadow, approximately 1.0 cm in diameter, was seen in the right maxillary sinus; the mucosa of the remaining paranasal sinuses was not thickened, and the sinus walls were intact.
The nasopharyngeal wall was not thickened, and FDG uptake was normal.
The pharyngeal recesses were symmetrical, the Eustachian tube openings were not narrowed, the infratemporal and pterygopalatine fossae were structurally normal, and the bilateral parapharyngeal spaces were clear with no abnormal FDG uptake.
Bilateral palatine tonsils showed physiological uptake.
No abnormal density shadows were seen in the bilateral parotid and submandibular glands.
The laryngopharynx was normal in morphology and structure.
Thyroid gland is normal in shape and size, with slightly uneven density; FDG uptake is normal.
No enlarged lymph nodes were seen in the bilateral deep cervical spaces or submandibular region.
Lung markings are clear.
Solid nodules are present in the apical and posterior segments of the right upper lobe and the posterior basal segment of the right lower lobe, the largest being approximately 0.3 cm in diameter; FDG uptake is normal.
A few linear lesions are present in both lungs; FDG uptake is normal.
Pleural thickening is present bilaterally; there is no pleural effusion or pneumothorax.
No significantly enlarged lymph nodes are seen in the bilateral hilar and mediastinal regions.
Cardiac silhouette is normal.
Cardiac chamber density is lower than myocardial density; some arterial walls show calcification (including coronary arteries).
No abnormal density shadows were seen in the bilateral breasts; FDG metabolism is normal.
The esophagus is not dilated; the esophageal wall is not significantly thickened or has a mass; FDG uptake is normal.
The liver's shape and size are normal, with smooth borders and no widening of the hepatic fissure.
Plain CT scan shows no obvious abnormal density shadows in the liver parenchyma, and FDG uptake is normal.
The main portal vein is not significantly widened.
A bile duct drainage tube is in place.
The gallbladder wall is thickened, and an irregular soft tissue density shadow with indistinct borders is visible in the gallbladder neck, measuring approximately 2.8*1.7cm.
FDG uptake is increased, with SUVmax=5.0.
Intrahepatic and extrahepatic bile ducts are dilated.
The hilar lymph nodes, hilar space, and retroperitoneal lymph nodes are visible; the largest has a short diameter of approximately 1.0cm, with increased FDG uptake and SUVmax=3.7.
The pancreas is normal in shape, with no obvious abnormal density shadows in the parenchyma.
The main pancreatic duct is not widened, and FDG uptake is normal.
The spleen's shape, size, density, and FDG uptake are normal.
A soft tissue density nodule adjacent to the spleen, approximately 1.0 cm in diameter, showed no abnormalities in FDG uptake.
Both kidneys were normal in shape and size, with small cystic lesions in the renal parenchyma, approximately 0.6 cm in diameter.
FDG metabolism was normal.
No widening of the renal pelvis, calyces, or ureters was observed, and FDG uptake was not significantly abnormal.
Bilateral adrenal gland imaging showed no significant abnormalities.
The stomach was adequately filled, with a considerable amount of residual contents.
No significant thickening of the stomach wall was observed, and FDG uptake was not significantly abnormal.
Intestinal filling was poor, with increased FDG uptake in some intestinal segments (SUVmax = 8.2).
The uterus was normal in shape and size, with no abnormal density shadows and no abnormal FDG uptake.
A calcified nodule, approximately 1.7 cm in diameter, was found adjacent to the left uterus.
No significant abnormalities were observed in the bilateral adnexa.
The bladder was poorly filled, with patchy areas of increased density within it.
Decreased bone density throughout the body, normal spinal alignment, osteophyte formation at the margins of some vertebral bodies, anterior displacement of the L4 vertebral body, and bulging of the L3/4, L4/5, and L5/S1 intervertebral discs.
Subcutaneous calcifications in both buttocks.
No abnormalities were observed in systemic bone marrow FDG metabolism.

Impression

1. Gallbladder mass with elevated FDG metabolism, highly suggestive of gallbladder cancer; please correlate with clinicopathology. Possible metastasis to lymph nodes in the hepatic hilum, hilar space, and retroperitoneum. Indwelling bile duct drainage tube.

2. Chronic inflammatory micronodules in the right lung. A few post-inflammatory lesions in both lungs. Bilateral pleural thickening. Anemic changes, partial arterial wall calcification (including coronary arteries).

3. Accessory spleen. Small renal cysts bilaterally. Residual contrast agent in the cystostomy chamber.

4. Chronic inflammatory changes or physiological uptake in some intestinal segments; please correlate with endoscopic follow-up.

5. Osteoporosis, degenerative changes in the spine, anterior slippage of the L4 vertebral body. L3/4, L4/5, and L5/S1 intervertebral disc bulges. Bilateral subcutaneous calcifications in the buttocks.

6. Age-related brain lesions, deep lacunar infarcts. Submucosal cyst of the right maxillary sinus.

This case is from PETWB-REP, a curated dataset of whole-body 18F-FDG PET/CT scans and corresponding radiology reports from 490 patients with a broad spectrum of malignancies. The data were retrospectively collected from patients who underwent clinically indicated whole-body 18F-FDG PET/CT scans at the Shanghai Universal Medical Imaging Diagnostic Center between 2021 and 2024.

License: Creative Commons Attribution 4.0 International (CC BY 4.0)

Citation:
Xue, L., Feng, G., Wenbo, Z., Zhang, Y., Li, L., Wang, S., Peng, L., Peng, S., & Gao, X. (2026). PETWB-REP: A Multi-Cancer Whole-Body FDG PET/CT Dataset with Corresponding Radiology Reports [Data set]. Zenodo. https://doi.org/10.5281/zenodo.18670487