{
  "ptid_time": "041_S_0679_2010-08-10",
  "img_path": "/data/qiuhui/data/adni/images/041_S_0679/2010-08-10/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 19,449 mm³, 35.2% below the reference mean. With a Z-score of -0.84 (20.1th percentile), this represents normal volume ; hippocampal volume measures 7,911 mm³, 1.4% below the reference mean. With a Z-score of -0.14 (44.3th percentile), this represents normal volume ; whole brain volume measures 1,140,140 mm³, 0.5% above the reference mean. With a Z-score of 0.07 (52.8th percentile), this represents normal volume ; entorhinal cortex volume measures 4,473 mm³, 4.9% above the reference mean. With a Z-score of 0.34 (63.3th percentile), this represents normal volume ; fusiform gyrus volume measures 17,986 mm³, 9.7% below the reference mean. With a Z-score of -0.80 (21.1th percentile), this represents normal volume ; middle temporal gyrus volume measures 23,693 mm³, 5.7% above the reference mean. With a Z-score of 0.47 (68.1th percentile), this represents normal volume . ",
  "text_data": "Age is 66.9 years. Gender is Male. Education: 18 years. MMSE: 30.0. Logical Memory: 11.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: All brain volume measures (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are within normal ranges based on Z-scores and percentiles. The MMSE score of 30 is optimal, and the absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T07:00:28.312880"
}