{
  "ptid_time": "009_S_6212_2018-02-26",
  "img_path": "/data/qiuhui/data/adni/images/009_S_6212/2018-02-26/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 18,947 mm³, 32.5% below the reference mean. With a Z-score of -0.74 (22.8th percentile), this represents normal volume ; hippocampal volume measures 7,016 mm³, 1.4% below the reference mean. With a Z-score of -0.13 (44.9th percentile), this represents normal volume ; whole brain volume measures 925,512 mm³, 5.0% below the reference mean. With a Z-score of -0.63 (26.3th percentile), this represents normal volume ; entorhinal cortex volume measures 4,796 mm³, 30.6% above the reference mean. With a Z-score of 1.88 (97.0th percentile), this represents moderate enlargement; fusiform gyrus volume measures 18,407 mm³, 8.2% above the reference mean. With a Z-score of 0.75 (77.2th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,832 mm³, 3.5% above the reference mean. With a Z-score of 0.30 (61.8th percentile), this represents normal volume . ",
  "text_data": "Age is 71.3 years. Gender is Female. Education: 18 years. Handedness: Right. Race: White. MMSE: 30.0. MoCA: 30.0. Logical Memory: 12.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.06 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements are largely within normal ranges, with only the entorhinal cortex showing moderate enlargement, which is atypical but not necessarily pathological. Cognitive scores (MMSE and MoCA) are perfect, and there is no evidence of amyloid pathology (AV45 normal).  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-25T22:28:37.275088"
}