{
  "ptid_time": "100_S_0296_2017-01-24",
  "img_path": "/data/qiuhui/data/adni/images/100_S_0296/2017-01-24/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 28,260 mm³, 39.9% below the reference mean. With a Z-score of -1.16 (12.3th percentile), this represents mild atrophy; hippocampal volume measures 6,613 mm³, 5.1% below the reference mean. With a Z-score of -0.44 (33.0th percentile), this represents normal volume ; whole brain volume measures 1,043,820 mm³, 1.4% above the reference mean. With a Z-score of 0.19 (57.4th percentile), this represents normal volume ; entorhinal cortex volume measures 3,557 mm³, 10.4% below the reference mean. With a Z-score of -0.68 (24.8th percentile), this represents normal volume ; fusiform gyrus volume measures 17,175 mm³, 4.9% below the reference mean. With a Z-score of -0.43 (33.5th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,266 mm³, 0.5% above the reference mean. With a Z-score of 0.04 (51.7th percentile), this represents normal volume . ",
  "text_data": "Age is 89.1 years. Gender is Male. Education: 10 years. MMSE: 27.0. MoCA: 19.0. Logical Memory: 7.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows mild ventricular atrophy but otherwise normal brain volumes, including the hippocampus. The MMSE score of 27 is within normal limits, but the MoCA score of 19 suggests mild cognitive impairment (MCI). The absence of APOE4 reduces genetic risk for Alzheimer's.  \nDiagnosis: **MCI**  \nConfidence: **Medium** (MoCA indicates impairment, but structural atrophy is mild and inconsistent with typical Alzheimer's patterns)",
  "timestamp": "2025-07-26T11:18:52.929055"
}