Whole-body 18F-FDG PET/CT scan in a patient with Renal 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: The brain morphology and structure were normal, with no abnormal density shadows in the brain parenchyma, and no significant abnormalities in FDG uptake.
A slightly high-density nodule with relatively clear borders, measuring approximately 1.3 0.7 cm, was visible in the posterior part of the falx cerebri, with absent FDG uptake.
No widening was observed in the ventricles, sulci, fissures, or cisterns; the ventricles were symmetrical, and there was no midline shift.
Both eyeballs were symmetrical, with no significant abnormalities.
No thickening was observed in the paranasal sinus mucosa, and the sinus walls were intact.
No thickening was observed in the nasopharyngeal wall, and FDG uptake was normal.
The pharyngeal recesses were symmetrical, the Eustachian tube openings were not narrowed, the infratemporal fossa and pterygopalatine fossa structures were normal, the parapharyngeal spaces were clear, and FDG uptake was normal.
The palatine tonsils showed physiological uptake.
No abnormal density shadows were seen in the bilateral parotid and submandibular glands.
The morphology and structure of the laryngopharynx were normal.
The thyroid gland was normal in shape and size, with uniform density; FDG uptake was normal.
No significantly enlarged lymph nodes were seen in the bilateral deep cervical spaces, submandibular region, and submental region; FDG metabolism was normal.
A small nodule was seen in the posterior segment of the left upper lobe and beside the oblique fissure of the right lung; the latter was larger, with a long diameter of approximately 0.4 cm.
A few linear shadows were seen in the right middle lobe; FDG uptake was normal in both.
No pleural thickening was seen bilaterally, and there was no pleural effusion or pneumothorax bilaterally.
No significantly enlarged lymph nodes were seen in the bilateral hilar and mediastinal regions.
The cardiac silhouette was normal.
The esophagus was not dilated; the esophageal wall was not significantly thickened or swollen; FDG uptake was not increased.
The bilateral breasts were relatively dense; FDG metabolism was normal.
The liver showed no obvious abnormalities in shape and size, with smooth borders and no widening of the hepatic fissure.
Multiple cystic lesions were observed within the liver, the largest measuring approximately 5.0 4.5 cm.
FDG uptake was normal.
The main portal vein showed no significant widening, and no dilation of intrahepatic or extrahepatic bile ducts was observed.
The gallbladder was smaller than normal in size, with increased density in the lumen, but 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.
A convex soft tissue lesion with indistinct borders, approximately 2.3 cm in long diameter, was observed at the lower pole of the left kidney.
A cystic shadow measuring approximately 0.8 0.7 cm was observed within the lesion, with mild FDG uptake (SUVmax = 1.7).
Punctate dense shadows were observed within the left renal calyx.
The right kidney is normal in shape and size, with no obvious abnormal density shadows seen in the parenchyma.
The renal pelvis, calyces, and ureter are not widened, and FDG uptake is normal.
Bilateral adrenal gland imaging shows no obvious abnormalities.
The stomach is poorly filled, with no obvious thickening of the stomach wall, and FDG uptake is normal.
The intestines are poorly filled, with no obvious thickening or mass in the intestinal wall, and FDG uptake is physiological.
The uterus is normal in shape, with no abnormal density shadows, and FDG uptake is normal.
No abnormal FDG metabolism is seen in the bilateral adnexa.
The bladder is generally full, with no obvious positive stones.
No enlarged lymph nodes are seen in the abdominal cavity, pelvis, or retroperitoneal region, and FDG metabolism is normal.
No obvious fluid accumulation is seen in the abdominal or pelvic cavities.
The spinal alignment is normal, with some vertebral body margin osteophytes, calcification of the nuchal ligament, and L4/5 intervertebral disc bulge.
FDG uptake is normal.
Systemic bone marrow FDG metabolism is normal.

Impression

1. A mass with small cystic changes in the lower pole of the left kidney, with mild FDG uptake, suggests a neoplastic lesion, possibly renal cell carcinoma. Please combine with enhanced MRI for comprehensive analysis. Small renal calculus in the left kidney.

2. Multiple cysts in the liver. Possible cholestasis in the gallbladder; ultrasound examination is recommended.

3. Chronic inflammatory nodules in the apical-posterior segment of the left upper lobe and beside the oblique fissure of the right lung. A few old lesions in the middle lobe of the right lung.

4. Spinal degenerative changes, L4/5 intervertebral disc bulge.

5. A slightly high-density nodule in the posterior part of the falx cerebri, with absent FDG uptake, suggests a possible meningioma; enhanced MRI is recommended.

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