{
  "ptid_time": "129_S_2332_2014-02-25",
  "img_path": "/data/qiuhui/data/adni/images/129_S_2332/2014-02-25/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 12,917 mm³, 54.0% below the reference mean. With a Z-score of -1.24 (10.8th percentile), this represents mild atrophy; hippocampal volume measures 7,000 mm³, 1.6% below the reference mean. With a Z-score of -0.15 (44.1th percentile), this represents normal volume ; whole brain volume measures 944,494 mm³, 3.1% below the reference mean. With a Z-score of -0.39 (34.8th percentile), this represents normal volume ; entorhinal cortex volume measures 2,994 mm³, 18.5% below the reference mean. With a Z-score of -1.13 (12.8th percentile), this represents mild atrophy; fusiform gyrus volume measures 17,947 mm³, 5.5% above the reference mean. With a Z-score of 0.50 (69.1th percentile), this represents normal volume ; middle temporal gyrus volume measures 17,279 mm³, 9.9% below the reference mean. With a Z-score of -0.86 (19.6th percentile), this represents normal volume . ",
  "text_data": "Age is 73.5 years. Gender is Female. Education: 16 years. MMSE: 30.0. MoCA: 28.0. Logical Memory: 17.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The imaging shows mild atrophy in the ventricular volume and entorhinal cortex, but other regions (hippocampus, whole brain, fusiform gyrus, middle temporal gyrus) are within normal ranges. Cognitive scores (MMSE 30, MoCA 28) are intact, and there is no APOE4 risk allele.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium (mild atrophy in some regions could suggest early changes, but cognitive performance remains strong and there are no other significant risk factors)",
  "timestamp": "2025-07-26T14:12:20.156415"
}