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:Following treatment of brain metastases, punctate low-density shadows were observed in the deep cerebral regions and brainstem bilaterally, with no significant abnormalities in FDG uptake.
The ventricles, sulci, fissures, and cisterns were widened, with symmetrical bilateral ventricles and no midline shift.
Both eyeballs were symmetrical, with no significant abnormalities.
The bilateral ethmoid sinus mucosa was slightly thickened, with no abnormalities in FDG uptake; the sinus walls were intact.
The nasopharyngeal wall was not thickened, and FDG uptake was normal.
The bilateral palatine tonsils were symmetrical, and FDG uptake was physiological.
The laryngopharynx showed no abnormalities in morphology or structure.
The bilateral parotid and submandibular glands had normal morphology and density, and FDG uptake was physiological.
The thyroid gland was normal in morphology and size, with uniform density, and FDG uptake was normal.
No significantly enlarged lymph nodes were observed in the bilateral deep cervical spaces, submandibular region, and submental region.
Increased lung markings were observed bilaterally, with a few speckled and linear areas of increased density in both lungs; FDG uptake was normal.
No pleural thickening was observed bilaterally, and there was no pleural effusion or pneumothorax bilaterally.
No significantly enlarged lymph nodes were observed in the bilateral hilar regions; lymph nodes were visible in the mediastinum (below the carina), with a short diameter of approximately 0.5 cm, showing increased FDG uptake (SUVmax = 3.8).
The cardiac silhouette was not enlarged; a small amount of effusion was observed in the pericardium.
Calcification was observed in some arterial walls.
No esophageal dilation was observed; no significant thickening or mass was observed in the esophagus; FDG uptake was normal.
Following comprehensive treatment for gallbladder cancer, multiple metal clips were observed in the surgical area; FDG uptake was normal.
Slight local dilation of intrahepatic bile ducts was observed.
No enlarged lymph nodes were observed in the abdominal cavity, pelvic cavity, or retroperitoneal region.
No obvious fluid accumulation was observed in the abdomen or pelvis.
The liver showed no obvious abnormalities in shape or size, with smooth borders and no widening of the hepatic fissures.
CT scan revealed small cystic low-density shadows in both lobes of the liver, the largest being approximately 0.8 cm in length, with clear borders and absent FDG uptake.
No other abnormal density shadows were observed in the liver parenchyma, and FDG uptake was not abnormally increased.
The main portal vein showed no obvious widening.
The pancreas showed mild atrophy, with no widening of the main pancreatic duct and no obvious abnormalities in FDG uptake.
The spleen showed no abnormalities in shape, size, density, or FDG uptake.
Both kidneys were normal in shape and size, with several cystic low-density shadows in each kidney.
The largest was located in the left kidney, approximately 1.6 cm in length, with clear borders and absent FDG uptake.
The renal pelvis, calyces, and ureters showed no widening.
Bilateral adrenal gland imaging showed no obvious abnormalities, and FDG uptake was not abnormal.
Stomach fullness is normal, with no obvious thickening of the stomach wall.
FDG uptake is slightly increased in some areas of the stomach wall (SUVmax = 2.6).
Intestinal fullness is poor, with slight thickening of the rectal wall and increased FDG uptake (SUVmax = 4.5).
The prostate is enlarged, with a transverse diameter of approximately 5.0 cm.
FDG uptake is unevenly increased (SUVmax = 3.0).
Bladder fullness is poor, with no obvious positive stones observed.
A slightly low-density mass is seen in the right quadratus femoris muscle, measuring approximately 6.3*4.4 cm.
The mass has uneven density, scattered calcifications, and indistinct borders, particularly with the adjacent femur.
FDG uptake is increased (SUVmax = 9.5).
FDG uptake in the remaining lower extremities is normal.
The spinal alignment is normal, with osteophyte formation at the margins of some vertebral bodies, decreased FDG uptake in some thoracic and lumbar vertebrae, and partial calcification of the nuchal ligament.
Patchy areas of increased density were observed at the relative margins of the L5/S1 vertebral bodies, but FDG uptake was normal.

Impression

1. a. Changes after comprehensive treatment for gallbladder cancer; no clear signs of tumor recurrence were seen in the surgical area. Slight local dilation of intrahepatic bile ducts. b. High probability of metastasis to the right quadratus femoris muscle involving the adjacent femur; please confirm with pathology.

2. a. After treatment for brain metastases, no clear space-occupying lesions were seen in the brain; lacunar ischemic lesions in the deep cerebral region and brainstem bilaterally, senile brain changes. b. Liver cysts; no obvious abnormal density shadows were seen in the remaining liver parenchyma; no abnormal increase in FDG metabolism was observed. Please follow up with enhanced MRI for the above.

3. Benign prostatic hyperplasia; unevenly increased FDG metabolism; please analyze comprehensively with PSA and MRI.

4. A few chronic pulmonary lesions and remnants. Reactive hyperplasia of mediastinal lymph nodes. Small amount of pericardial effusion. Calcification of some arterial walls.

5. Mild pancreatic atrophy. Multiple renal cysts.

6. Mildly increased FDG metabolism in parts of the gastric wall; slight thickening of the rectal wall with increased FDG metabolism, suggestive of physiological uptake or chronic inflammatory changes; please follow up with endoscopy.

7. Decreased FDG metabolism in parts of the thoracic and lumbar spine, suggestive of post-radiotherapy changes. Spinal degeneration. L5/S1 vertebral endplate inflammation.

8. Minor inflammation of bilateral ethmoid 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