{
  "ptid_time": "037_S_5222_2015-08-26",
  "img_path": "/data/qiuhui/data/adni/images/037_S_5222/2015-08-26/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 16,901 mm³, 24.3% below the reference mean. With a Z-score of -0.61 (27.1th percentile), this represents normal volume ; hippocampal volume measures 7,434 mm³, 3.3% below the reference mean. With a Z-score of -0.37 (35.7th percentile), this represents normal volume ; whole brain volume measures 982,083 mm³, 4.6% below the reference mean. With a Z-score of -0.57 (28.5th percentile), this represents normal volume ; entorhinal cortex volume measures 3,980 mm³, 2.2% above the reference mean. With a Z-score of 0.17 (56.9th percentile), this represents normal volume ; fusiform gyrus volume measures 16,746 mm³, 8.0% below the reference mean. With a Z-score of -0.91 (18.3th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,007 mm³, 7.4% below the reference mean. With a Z-score of -0.66 (25.6th percentile), this represents normal volume . ",
  "text_data": "Age is 69.5 years. Gender is Female. Education: 12 years. MMSE: 28.0. MoCA: 27.0. Logical Memory: 11.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.05 SUVR (normal ); Total tau: 228.10 pg/mL (normal ); Phosphorylated tau: 21.08 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: All brain volume measures (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) fall within normal ranges based on Z-scores and percentiles. Cognitive scores (MMSE 28, MoCA 27) are intact, and biomarkers (T-tau, P-tau, AV45) are normal. No APOE4 risk allele is present.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T06:52:35.048607"
}