{
  "ptid_time": "031_S_0830_2006-09-13",
  "img_path": "/data/qiuhui/data/adni/images/031_S_0830/2006-09-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 33,816 mm³, 12.2% below the reference mean. With a Z-score of -0.29 (38.5th percentile), this represents normal volume ; whole brain volume measures 1,005,960 mm³, 6.8% below the reference mean. With a Z-score of -0.88 (18.9th percentile), this represents normal volume . ",
  "text_data": "Age is 70.8 years. Gender is Male. Education: 16 years. Handedness: Right. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Renal-Genitourinary; Smoking; Major Surgical Procedures. MMSE: 29.0. Logical Memory: 6.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volumes (ventricular and whole brain) are within normal ranges, and the MMSE score of 29 is well within the normal cognitive range (≥26). The presence of one APOE4 allele increases Alzheimer's risk but does not confirm impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T04:37:59.104459"
}