{
  "ptid_time": "136_S_0299_2007-05-14",
  "img_path": "/data/qiuhui/data/adni/images/136_S_0299/2007-05-14/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 50,674 mm³, 21.8% above the reference mean. With a Z-score of 3.43 (100.0th percentile), this represents profound enlargement; whole brain volume measures 848,169 mm³, 6.8% below the reference mean. With a Z-score of -0.76 (22.5th percentile), this represents normal volume . ",
  "text_data": "Age is 90.1 years. Gender is Female. Education: 20 years. MMSE: 25.0. Logical Memory: 7.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The ventricular volume is significantly enlarged (Z-score 3.43), indicating possible atrophy, while whole brain volume is within normal limits (Z-score -0.76). The MMSE score of 25 is borderline for mild cognitive impairment (MCI) but could also be within normal limits for age 90. No APOE4 risk allele is present.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T16:00:24.678482"
}