{
  "ptid_time": "051_S_1072_2011-08-02",
  "img_path": "/data/qiuhui/data/adni/images/051_S_1072/2011-08-02/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 15,098 mm³, 32.4% below the reference mean. With a Z-score of -0.81 (20.9th percentile), this represents normal volume ; hippocampal volume measures 8,937 mm³, 16.3% above the reference mean. With a Z-score of 1.83 (96.6th percentile), this represents moderate enlargement; whole brain volume measures 1,063,090 mm³, 3.3% above the reference mean. With a Z-score of 0.41 (65.9th percentile), this represents normal volume ; entorhinal cortex volume measures 4,036 mm³, 3.7% above the reference mean. With a Z-score of 0.28 (61.2th percentile), this represents normal volume ; fusiform gyrus volume measures 20,989 mm³, 15.3% above the reference mean. With a Z-score of 1.72 (95.7th percentile), this represents moderate enlargement; middle temporal gyrus volume measures 22,467 mm³, 9.5% above the reference mean. With a Z-score of 0.84 (80.1th percentile), this represents normal volume . ",
  "text_data": "Age is 63.8 years. Gender is Female. Education: 13 years. Handedness: Right. Race: White. MMSE: 28.0. MoCA: 27.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.01 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements show normal or above-average volumes in all regions, including the hippocampus and entorhinal cortex, which are typically affected in Alzheimer's. Cognitive scores (MMSE 28, MoCA 27) are within the normal range, and amyloid PET (AV45) is normal. No APOE4 risk alleles are present.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T07:32:14.988575"
}