{
  "ptid_time": "129_S_2332_2018-04-11",
  "img_path": "/data/qiuhui/data/adni/images/129_S_2332/2018-04-11/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 17,026 mm³, 39.3% below the reference mean. With a Z-score of -0.90 (18.4th percentile), this represents normal volume ; hippocampal volume measures 6,689 mm³, 6.0% below the reference mean. With a Z-score of -0.55 (29.2th percentile), this represents normal volume ; whole brain volume measures 906,969 mm³, 6.9% below the reference mean. With a Z-score of -0.87 (19.1th percentile), this represents normal volume ; entorhinal cortex volume measures 3,709 mm³, 1.0% above the reference mean. With a Z-score of 0.06 (52.4th percentile), this represents normal volume ; fusiform gyrus volume measures 17,031 mm³, 0.1% above the reference mean. With a Z-score of 0.01 (50.4th percentile), this represents normal volume ; middle temporal gyrus volume measures 17,693 mm³, 7.7% below the reference mean. With a Z-score of -0.67 (25.2th percentile), this represents normal volume . ",
  "text_data": "Age is 77.5 years. Gender is Female. Education: 16 years. MMSE: 30.0. MoCA: 30.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. ",
  "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 assessments (MMSE and MoCA) are both perfect scores (30/30), and there is no APOE4 genetic risk factor.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T14:12:40.036060"
}