{
  "ptid_time": "941_S_2060_2013-10-09",
  "img_path": "/data/qiuhui/data/adni/images/941_S_2060/2013-10-09/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 35,803 mm³, 27.6% above the reference mean. With a Z-score of 0.63 (73.6th percentile), this represents normal volume ; hippocampal volume measures 8,499 mm³, 19.5% above the reference mean. With a Z-score of 1.78 (96.3th percentile), this represents moderate enlargement; whole brain volume measures 1,104,540 mm³, 13.3% above the reference mean. With a Z-score of 1.68 (95.3th percentile), this represents moderate enlargement; entorhinal cortex volume measures 3,642 mm³, 0.8% below the reference mean. With a Z-score of -0.05 (47.9th percentile), this represents normal volume ; fusiform gyrus volume measures 19,808 mm³, 16.4% above the reference mean. With a Z-score of 1.50 (93.3th percentile), this represents mild enlargement; middle temporal gyrus volume measures 21,019 mm³, 9.6% above the reference mean. With a Z-score of 0.84 (79.9th percentile), this represents normal volume . ",
  "text_data": "Age is 76.9 years. Gender is Female. Education: 13 years. MMSE: 29.0. Logical Memory: 14.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements show normal to above-average volumes in most regions, including the hippocampus and whole brain, with no significant atrophy. The MMSE score of 29 is within the normal range, and the absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T17:31:57.057369"
}