{
  "ptid_time": "021_S_6312_2018-04-19",
  "img_path": "/data/qiuhui/data/adni/images/021_S_6312/2018-04-19/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 44,695 mm³, 4.9% below the reference mean. With a Z-score of -0.14 (44.3th percentile), this represents normal volume ; hippocampal volume measures 6,879 mm³, 1.3% below the reference mean. With a Z-score of -0.11 (45.6th percentile), this represents normal volume ; whole brain volume measures 1,073,880 mm³, 4.3% above the reference mean. With a Z-score of 0.57 (71.5th percentile), this represents normal volume ; entorhinal cortex volume measures 4,871 mm³, 22.7% above the reference mean. With a Z-score of 1.49 (93.2th percentile), this represents mild enlargement; fusiform gyrus volume measures 17,588 mm³, 2.6% below the reference mean. With a Z-score of -0.23 (40.9th percentile), this represents normal volume ; middle temporal gyrus volume measures 21,371 mm³, 5.9% above the reference mean. With a Z-score of 0.53 (70.3th percentile), this represents normal volume . ",
  "text_data": "Age is 80.3 years. Gender is Male. Education: 18 years. Handedness: Right. Race: White. MMSE: 28.0. MoCA: 23.0. Logical Memory: 12.0. APOEε4 alleles: 1.0. Biomarker levels: Florbetapir (AV45): 1.21 SUVR (mild elevated). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements are largely within normal ranges, with only the entorhinal cortex showing mild enlargement. The MMSE score of 28 is normal, but the MoCA score of 23 suggests mild cognitive impairment (MCI). The presence of one APOE4 allele and mild AV45 (amyloid) elevation supports a neurodegenerative process.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T01:56:42.189614"
}