{
  "ptid_time": "052_S_2249_2013-01-07",
  "img_path": "/data/qiuhui/data/adni/images/052_S_2249/2013-01-07/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 22,717 mm³, 41.0% below the reference mean. With a Z-score of -0.98 (16.3th percentile), this represents normal volume ; hippocampal volume measures 7,773 mm³, 2.8% above the reference mean. With a Z-score of 0.28 (60.9th percentile), this represents normal volume ; whole brain volume measures 1,258,160 mm³, 16.6% above the reference mean. With a Z-score of 2.15 (98.4th percentile), this represents significant enlargement; entorhinal cortex volume measures 4,486 mm³, 9.4% above the reference mean. With a Z-score of 0.64 (73.8th percentile), this represents normal volume ; fusiform gyrus volume measures 21,757 mm³, 15.5% above the reference mean. With a Z-score of 1.32 (90.7th percentile), this represents mild enlargement; middle temporal gyrus volume measures 23,263 mm³, 9.0% above the reference mean. With a Z-score of 0.81 (79.1th percentile), this represents normal volume . ",
  "text_data": "Age is 77.8 years. Gender is Male. Education: 15 years. Handedness: Right. Race: White. Medical history: Psychiatric; Head, Eyes, Ears, Nose and Throat; Cardiovascular; Dermatologic-Connective Tissue; Major Surgical Procedures. MMSE: 30.0. MoCA: 23.0. Logical Memory: 4.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measures are largely within or above normal ranges, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. The MoCA score of 23 suggests mild cognitive impairment, but the MMSE of 30 is normal, and the absence of APOE4 reduces Alzheimer's risk.  \nDiagnosis: MCI  \nConfidence: Medium",
  "timestamp": "2025-07-26T07:49:03.062000"
}