{
  "ptid_time": "135_S_4723_2018-07-06",
  "img_path": "/data/qiuhui/data/adni/images/135_S_4723/2018-07-06/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 13,829 mm³, 50.7% below the reference mean. With a Z-score of -1.16 (12.3th percentile), this represents mild atrophy; hippocampal volume measures 7,286 mm³, 2.4% above the reference mean. With a Z-score of 0.22 (58.8th percentile), this represents normal volume ; whole brain volume measures 995,464 mm³, 2.1% above the reference mean. With a Z-score of 0.27 (60.6th percentile), this represents normal volume ; entorhinal cortex volume measures 4,119 mm³, 12.1% above the reference mean. With a Z-score of 0.75 (77.2th percentile), this represents normal volume ; fusiform gyrus volume measures 15,597 mm³, 8.3% below the reference mean. With a Z-score of -0.76 (22.4th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,654 mm³, 2.7% below the reference mean. With a Z-score of -0.23 (40.8th percentile), this represents normal volume . ",
  "text_data": "Age is 75.4 years. Gender is Female. Education: 18 years. MMSE: 30.0. MoCA: 29.0. Logical Memory: 17.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume data shows mild ventricular atrophy but otherwise normal volumes in key regions (hippocampus, entorhinal cortex, fusiform gyrus, middle temporal gyrus). Cognitive scores (MMSE 30, MoCA 29) are intact, and there is no APOE4 genetic risk.  \nDiagnosis: CN (Cognitively Normal)  \nConf",
  "timestamp": "2025-07-26T15:45:59.491934"
}