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

After fasting and intravenous injection of 18F-FDG, a whole-body PET/CT scan was performed with the arms raised, from the top of the skull to the upper thighs: The brain morphology and structure were normal, with punctate low-density shadows seen in the deep cerebral regions bilaterally; FDG uptake showed no significant abnormalities.
The ventricles, sulci, fissures, and cisterns were widened; the ventricles were symmetrical bilaterally, and there was no midline shift.
The eyeballs were normal in shape and outline bilaterally; the retrobulbar structures were clear; the optic nerves were symmetrical bilaterally; FDG uptake was normal.
The maxillary sinus mucosa was slightly thickened bilaterally, but the sinus walls were intact.
The nasopharyngeal walls were not thickened; there was no stenosis of the bilateral pharyngeal recesses or Eustachian tube openings; the infratemporal fossa and pterygopalatine fossa structures were normal; the bilateral parapharyngeal spaces were clear; FDG uptake was normal.
FDG uptake in the oropharynx and laryngopharynx was physiological.
The bilateral parotid and submandibular glands showed no abnormal contrast.
The thyroid gland was normal in shape and size, with slightly uneven density; FDG uptake was normal.
No significantly enlarged lymph nodes were observed in the bilateral deep cervical spaces, submandibular region, and submental region.
Pure ground-glass opacities were observed in the apical segment of the right upper lobe and the lateral basal segment of the left lower lobe, the largest measuring approximately 0.4 cm in length, with an average CT value of -707 HU.
The borders were indistinct, and FDG uptake was normal.
Several solid nodules were also observed in both lungs, the largest located in the lateral segment of the right middle lobe, measuring approximately 0.6 cm in length, with clear borders.
FDG uptake was normal.
A few linear opacities were also observed in both lungs, with FDG uptake normal.
The pleura was slightly thickened bilaterally, but there was no pleural effusion or pneumothorax bilaterally.
No significantly enlarged lymph nodes were observed in the bilateral hilar and mediastinal regions.
The cardiac silhouette was normal.
Some arterial walls showed calcification.
The esophagus was not dilated, and the esophageal wall was not significantly thickened or swollen.
FDG uptake was not increased.
The liver showed no obvious abnormalities in shape and size, and the hepatic fissure was not widened.
A slightly low-density mass was seen in liver S6 on plain CT scan, with a larger cross-sectional area of approximately 7.5cm 5.4cm.
The density was not uniform, with an average CT value of 47 HU.
Some borders were indistinct, and the adjacent liver capsule was irregular.
FDG uptake was unevenly increased, with an SUVmax of 5.5.
The main portal vein was not significantly widened, and no dilation of intrahepatic or extrahepatic bile ducts was observed.
Several lymph nodes were seen in the porta hepatis, hilum, and retroperitoneum, the largest with a short diameter of approximately 0.7cm; FDG uptake was normal.
The gallbladder showed no abnormalities in shape or size, and the gallbladder wall was not thickened; local FDG uptake was normal.
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 showed no abnormalities in shape, size, density, or FDG uptake.
Both kidneys are normal in shape and size, with no obvious abnormal density shadows in the parenchyma.
The renal pelvis, calyces, and ureters are not widened, and FDG uptake is not significantly abnormal.
Bilateral adrenal gland imaging shows no obvious abnormalities.
The stomach is poorly distended, with no obvious thickening of the gastric wall.
FDG uptake in the gastric antrum is slightly increased (SUVmax = 2.2).
The intestines are poorly distended, with no obvious thickening or mass in the intestinal wall.
Continuous FDG uptake in the colorectal region is increased (SUVmax = 10.0).
The prostate is not significantly enlarged, but calcifications are seen in the parenchyma, and FDG uptake is not abnormally increased.
The bladder is poorly distended, with no obvious positive stones.
Bilateral inguinal canals are enlarged, but FDG uptake is not abnormal.
No obvious fluid accumulation is seen in the abdomen or pelvis.
FDG uptake in the bones within the collection field is not abnormally increased.
The spinal alignment is unstable, with decreased bone density in all vertebral bodies, osteophyte formation at the margins of some vertebral bodies, and calcification of the nuchal ligament.
The L5 vertebral body is displaced anteriorly, and there is discontinuity in the bilateral pars interarticularis.
No abnormalities were found in FDG uptake.

Impression

1. a. A slightly low-density mass in liver S6 with unevenly increased FDG metabolism. Based on the MRI report from another hospital, malignancy is suspected, with liver cancer being the primary consideration. Please confirm with pathology. b. Several lymph nodes in the hepatic hilum, hilar space, and retroperitoneum are shown, with normal FDG metabolism. Reactive lymph node hyperplasia is suspected. Please follow up.

2. a. Pure ground-glass nodules in both lungs with normal FDG metabolism are suspected, possibly due to chronic inflammation or atypical adenomatous hyperplasia. Please have an annual CT scan. b. Small (solid) chronic inflammatory nodules in both lungs. Please follow up with CT scan. A few post-inflammatory lesions in both lungs. Mild thickening of the pleura on both sides. Calcification of some arterial walls.

3. Calcification of the prostate. Dilation of both inguinal canals.

4. Increased FDG metabolism in parts of the stomach wall and intestines, possibly due to physiological metabolism or chronic inflammation. Please have an endoscopy.

5. Osteoporosis. Spinal degeneration, bilateral pars interarticularis fracture of L5 vertebral body with grade I anterior spondylolisthesis.

6. Bilateral deep lacunar infarcts, age-related brain changes. Minor inflammation of bilateral maxillary sinuses.

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