{
  "ptid_time": "003_S_4872_2013-08-30",
  "img_path": "/data/qiuhui/data/adni/images/003_S_4872/2013-08-30/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 23,465 mm³, 5.1% above the reference mean. With a Z-score of 0.13 (55.0th percentile), this represents normal volume ; hippocampal volume measures 8,353 mm³, 8.7% above the reference mean. With a Z-score of 0.98 (83.6th percentile), this represents normal volume ; whole brain volume measures 1,032,170 mm³, 0.3% above the reference mean. With a Z-score of 0.04 (51.5th percentile), this represents normal volume . ",
  "text_data": "Age is 69.5 years. Gender is Female. Education: 14 years. MMSE: 28.0. MoCA: 26.0. Logical Memory: 5.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "**Reasoning:** All brain volumes (ventricular, hippocampal, and whole brain) are within normal ranges, with no significant atrophy. Cognitive scores (MMSE 28, MoCA 26) are also within normal limits for age, and APOE4 status (heterozygous) does not strongly indicate elevated risk without other clinical symptoms.  \n\n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-25T20:56:20.884384"
}