Whole-body 18F-FDG PET/CT scan in a patient with Lymphoma 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 scan showed: Following chemotherapy for lymphoma, several small lymph nodes (approximately 0.2-0.5 cm short diameter) were observed in the bilateral deep cervical spaces, bilateral axillae, and para-aortic region; FDG metabolism was normal.
A few punctate low-density shadows were seen in the deep bilateral cerebral regions; no abnormal density shadows were observed in the remaining brain parenchyma, and FDG uptake was normal.
The ventricles, sulci, fissures, and cisterns were widened; the ventricles were symmetrical, and there was no midline shift.
Both eyeballs were symmetrical and showed no obvious abnormalities.
The sphenoid sinus mucosa was slightly thickened, but 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 normal FDG uptake.
The palatine tonsils showed physiological uptake.
The morphology and structure of the laryngopharynx were normal.
No abnormal density shadows were seen in the bilateral parotid and submandibular glands.
The thyroid gland was normal in shape and size, with uneven density and multiple low-density nodules; FDG uptake was normal.
Several small ground-glass nodules were seen in the right upper lobe, with a CT value of approximately -592 HU, the largest being about 0.5 cm in length, with relatively clear borders; FDG metabolism was normal.
Multiple solid nodules were seen in both lungs, with a length of approximately 0.2-0.3 cm, clear borders; FDG metabolism was normal.
A few linear and punctate lesions were also seen in the remaining lungs; FDG metabolism was normal.
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.
Some arterial walls showed calcification (including the coronary arteries).
The esophagus was not dilated, and the wall was not significantly thickened or swollen; FDG uptake was not increased.
The liver showed no obvious abnormalities in shape and size, with smooth liver margins and no widening of the hepatic fissure.
Plain CT scan showed no obvious abnormal density shadows in the liver parenchyma, and FDG uptake was normal.
The main portal vein showed no obvious widening, and no dilation of intrahepatic or extrahepatic bile ducts was observed.
The gallbladder showed no abnormalities in shape and size, but nodular dense shadows were seen in the gallbladder area, with no abnormal local FDG uptake.
The pancreas was normal in shape, with no obvious abnormal density shadows in the parenchyma, no widening of the main pancreatic duct, and no obvious abnormal FDG uptake.
The spleen showed no abnormalities in shape, size, density, or FDG uptake.
A cystic lesion was seen in the left kidney, with a long diameter of approximately 1.6 cm, and FDG uptake was absent.
The right kidney was normal in shape and size, with no obvious abnormal density shadows in the parenchyma, no widening of the renal pelvis, calyces, or ureter, and no obvious abnormal FDG uptake.
Bilateral adrenal gland imaging showed no obvious abnormalities.
The stomach was poorly distended, with slight thickening of the cardia and gastric fundus wall, and increased FDG metabolism (SUVmax = 3.6).
Intestinal distension was poor, with no obvious thickening or mass in the intestinal wall; FDG uptake was physiological.
The prostate was of normal size, with small punctate calcifications; FDG uptake was not abnormally increased.
The bladder was generally full, with no obvious positive stones.
No significant fluid accumulation was observed in the abdomen or pelvis.
A soft tissue mass was observed in the intermuscular space of the left groin, with increased FDG uptake (SUVmax = 2.4), measuring approximately 7.2*4.4*7.4cm.
The spinal alignment was normal, with some vertebral body margin osteophytes and L4/5 intervertebral disc bulging; FDG uptake was normal.
Calcification of the nuchal ligament was present.
The mediastinal blood pool SUVmax was 2.0, and the liver SUVmax was 3.8, used for the Deauville score.

Impression

1. a. After chemotherapy for lymphoma, no significantly enlarged lymph nodes were observed throughout the body, and FDG metabolism was normal, suggesting that tumor activity was basically suppressed. Specialist follow-up is recommended. b. Small lymph nodes were observed in the bilateral deep cervical spaces, bilateral axillae, and para-aortic region.

2. A mass in the intermuscular space of the left groin with increased FDG uptake, combined with the medical history, suggests a recurrence of leiomyoma. Pathological examination is recommended for confirmation.

3. Several ground-glass nodules in the upper lobe of the right lung, with normal FDG metabolism, suggestive of inflammatory nodules or atypical adenomatous hyperplasia. Annual HRCT follow-up is recommended. Several chronic inflammatory micronodules (solid) in both lungs. A few chronic inflammations and old lesions in both lungs. Calcification of some arterial walls (including coronary arteries).

4. Slight thickening of the cardia and gastric fundus walls, with mildly increased FDG uptake, suggesting chronic gastritis. Gastroscopy follow-up is recommended.

5. Gallstones. Left renal cyst. Prostatic calcification.

6. Spinal degenerative changes.

7. L4/5 disc bulge.

8. Few ischemic lesions in the deep bilateral brain regions, indicative of age-related brain changes.

9. Chronic sphenoid sinusitis.

10. Nodular goiter is highly probable; ultrasound follow-up 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