{
  "ptid_time": "037_S_6377_2019-08-08",
  "img_path": "/data/qiuhui/data/adni/images/037_S_6377/2019-08-08/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 34,374 mm³, 7.0% below the reference mean. With a Z-score of -0.19 (42.5th percentile), this represents normal volume ; hippocampal volume measures 6,519 mm³, 0.4% above the reference mean. With a Z-score of 0.03 (51.2th percentile), this represents normal volume ; whole brain volume measures 911,835 mm³, 1.8% below the reference mean. With a Z-score of -0.21 (41.6th percentile), this represents normal volume ; entorhinal cortex volume measures 3,052 mm³, 11.9% below the reference mean. With a Z-score of -0.64 (26.1th percentile), this represents normal volume ; fusiform gyrus volume measures 17,225 mm³, 6.9% above the reference mean. With a Z-score of 0.52 (69.9th percentile), this represents normal volume ; middle temporal gyrus volume measures 16,441 mm³, 8.8% below the reference mean. With a Z-score of -0.78 (21.7th percentile), this represents normal volume . ",
  "text_data": "Age is 82.6 years. Gender is Female. Education: 14 years. MMSE: 24.0. MoCA: 20.0. Logical Memory: 0.0. APOEε4 alleles: 1.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements are largely within normal ranges, with only slight deviations (e.g., entorhinal cortex and middle temporal gyrus slightly below the mean but still within normal Z-scores). However, the MMSE (24) and MoCA (20) scores indicate mild cognitive impairment, particularly given the patient's age (82.6) and APOE4 carrier status, which increases Alzheimer's risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T06:55:18.579261"
}