{
  "ptid_time": "029_S_1184_2007-01-22",
  "img_path": "/data/qiuhui/data/adni/images/029_S_1184/2007-01-22/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 48,204 mm³, 115.8% above the reference mean. With a Z-score of 2.90 (99.8th percentile), this represents significant enlargement; whole brain volume measures 863,095 mm³, 16.1% below the reference mean. With a Z-score of -2.01 (2.2th percentile), this represents significant atrophy. ",
  "text_data": "Age is 64.4 years. Gender is Female. Education: 16 years. MMSE: 21.0. Logical Memory: 4.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The significant ventricular enlargement (Z-score 2.90) and whole brain atrophy (Z-score -2.01) indicate substantial structural brain changes. Combined with an MMSE score of 21 (below the typical cutoff of 24 for cognitive normality), this suggests cognitive impairment beyond normal aging.  \nDiagnosis: Dementia  \nConfidence: High",
  "timestamp": "2025-07-26T04:22:11.577095"
}