{
  "ptid_time": "023_S_4164_2019-12-09",
  "img_path": "/data/qiuhui/data/adni/images/023_S_4164/2019-12-09/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 57,366 mm³, 22.0% above the reference mean. With a Z-score of 0.64 (73.9th percentile), this represents normal volume ; hippocampal volume measures 6,867 mm³, 1.5% below the reference mean. With a Z-score of -0.13 (45.0th percentile), this represents normal volume ; whole brain volume measures 1,105,760 mm³, 7.4% above the reference mean. With a Z-score of 0.98 (83.5th percentile), this represents normal volume ; entorhinal cortex volume measures 3,967 mm³, 0.1% below the reference mean. With a Z-score of -0.00 (49.9th percentile), this represents normal volume ; fusiform gyrus volume measures 19,023 mm³, 5.3% above the reference mean. With a Z-score of 0.46 (67.7th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,730 mm³, 2.8% above the reference mean. With a Z-score of 0.25 (59.8th percentile), this represents normal volume . ",
  "text_data": "Age is 80.6 years. Gender is Male. Education: 12 years. MMSE: 28.0. MoCA: 28.0. Logical Memory: 15.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.01 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: All brain volume measures (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are within normal ranges, with Z-scores close to or above the mean. Cognitive scores (MMSE and MoCA) are also normal, and there is no indication of amyloid pathology (AV45 normal).  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T03:04:10.341699"
}