Whole-body 18F-FDG PET/CT scan in a patient with Liver 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

Under fasting conditions, an intravenous injection of 18F-FDG was administered, followed by rest.
Whole-body PET/CT imaging was then performed with arms raised, from the top of the skull to the upper thighs: 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 eyeballs were symmetrical, with no obvious abnormalities.
No thickening of the paranasal sinus mucosa was observed, and the sinus walls were intact.
The nasal septum was deviated, but the nasopharyngeal wall was not thickened; 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; FDG uptake was normal.
No abnormal density shadows were observed in the bilateral parotid and submandibular glands.
The oropharynx and laryngopharynx were normal in morphology and structure.
The thyroid gland was normal in shape and size, with slightly uneven density; FDG uptake was normal.
No enlarged lymph nodes were observed in the bilateral deep cervical spaces or submandibular region.
Increased lung markings, multiple solid nodules with clear borders in both lungs, the largest approximately 0.5 cm in diameter, with no abnormal FDG uptake.
Multiple air-filled cavities in both lungs, scattered calcifications and linear lesions in both lungs, with no abnormal FDG uptake.
Thickening of the right pleura, no pleural effusion or pneumothorax in either pleural cavity.
No significantly enlarged lymph nodes in the bilateral hilum and mediastinum.
No abnormalities in the cardiac silhouette.
Calcification of some arterial walls (including coronary arteries).
No esophageal dilatation, no significant thickening or mass in the esophagus, and no increased FDG uptake.
The liver has irregular margins and disproportionate left and right lobes.
An irregular, mixed-density mass with indistinct borders, approximately 6.1 cm 6.9 cm 6.0 cm in size, is present near the diaphragm in the right lobe of the liver, with uneven density and increased uneven FDG uptake (SUVmax = 8.0).
The remaining liver showed multiple slightly low-density nodules and masses, the largest being located in the lower segment of the right posterior lobe, measuring approximately 4.8cm 4.1cm 5.5cm, with increased FDG uptake (SUVmax = 4.8).
A dense subcapsular nodule was observed in the right lobe of the liver, approximately 0.4cm in diameter.
A small cystic lesion, approximately 0.8cm in diameter, was present in the left lateral lobe of the liver; FDG uptake was normal in both.
The hilar and retroperitoneal lymph nodes were also observed, the largest being approximately 0.6cm in short diameter; FDG uptake was normal in both.
The gallbladder was normal in shape and size, with no thickening of the gallbladder wall and no abnormalities in localized FDG uptake.
The pancreas was normal in shape, with no obvious abnormal density shadows in the parenchyma; the main pancreatic duct was not widened, and FDG uptake was normal.
The spleen was normal in shape, size, density, and FDG uptake.
Both kidneys are normal in shape and size, with bilateral renal parenchymal cystic lesions.
The largest lesion is located in the left kidney, with a diameter of approximately 2.1 cm.
FDG uptake is absent.
No widening of the renal pelvis, calyces, or ureter is observed, and FDG uptake is not significantly abnormal.
Bilateral adrenal gland imaging shows no significant abnormalities.
Gastric distension is poor, with slight thickening of the walls of the cardia, part of the gastric body, and antrum, and mildly increased FDG uptake (SUVmax = 2.8).
Intestinal distension is unsatisfactory; no obvious space-occupying lesions are observed in the intestines, but FDG uptake is increased in some parts of the intestines (SUVmax = 3.8).
The prostate is of normal size and homogeneous density, with no abnormally increased FDG uptake.
Bladder distension is poor, and no obvious positive stones are observed within the bladder.
Multiple vertebral bodies and appendages (most notably T3 and T11), left 2nd and 4th ribs, right 4th rib, left ilium, and left proximal femur showed extensive bone destruction.
A soft tissue mass measuring approximately 8.1cm 6.1cm was observed at the right 4th anterior rib, with increased FDG uptake (SUVmax = 7.3).
Overall bone density was decreased, but the spinal alignment remained normal.
Some vertebral bodies showed marginal osteophyte formation, and multiple intervertebral disc bulges with pneumoconiosis were observed.
The L5/S1 vertebral body showed increased density and roughness at the relative margins, but no abnormal FDG uptake was observed.

Impression

1. a. A mass near the top of the diaphragm in the right lobe of the liver with increased FDG metabolism, suggestive of hepatocellular carcinoma; multiple lesions or metastases within the remaining liver. b. Multiple bone metastases throughout the body, some accompanied by soft tissue masses (see description for details). Reactive hyperplasia of the hilar and retroperitoneal lymph nodes.

2. Chronic inflammatory micronodules in both lungs; follow-up CT is recommended. Emphysema in both lungs; scattered post-inflammatory lesions in both lungs. Right pleural thickening. Calcification of some arterial walls (including coronary arteries).

3. Cirrhosis; calcifications and small cysts in the liver. Cysts in both kidneys.

4. Chronic inflammatory changes or physiological metabolic changes in some gastric and intestinal tracts; follow-up endoscopically is recommended.

5. Osteoporosis; degenerative changes in the spine. Multiple intervertebral disc bulges with pneumothorax and degeneration. L5/S1 vertebral endplate inflammation.

6. Age-related brain changes; deep lacunar infarcts in the brain.

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