{
  "ptid_time": "041_S_4874_2013-08-19",
  "img_path": "/data/qiuhui/data/adni/images/041_S_4874/2013-08-19/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 15,580 mm³, 16.3% below the reference mean. With a Z-score of -0.47 (32.0th percentile), this represents normal volume ; hippocampal volume measures 8,056 mm³, 3.2% above the reference mean. With a Z-score of 0.44 (67.1th percentile), this represents normal volume ; whole brain volume measures 1,044,610 mm³, 0.4% above the reference mean. With a Z-score of 0.05 (51.9th percentile), this represents normal volume ; entorhinal cortex volume measures 4,287 mm³, 16.0% above the reference mean. With a Z-score of 1.25 (89.5th percentile), this represents mild enlargement; fusiform gyrus volume measures 17,665 mm³, 4.2% below the reference mean. With a Z-score of -0.38 (35.3th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,254 mm³, 1.4% below the reference mean. With a Z-score of -0.11 (45.5th percentile), this represents normal volume . ",
  "text_data": "Age is 58.7 years. Gender is Female. Education: 18 years. MMSE: 27.0. MoCA: 27.0. Logical Memory: 13.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, whole brain, fusiform gyrus, middle temporal gyrus) are within normal ranges or mildly enlarged (entorhinal cortex). Cognitive scores (MMSE 27, MoCA 27) are also within normal limits for age. No significant atrophy or cognitive impairment is evident.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T07:20:22.799805"
}