{
  "ptid_time": "067_S_2304_2014-03-19",
  "img_path": "/data/qiuhui/data/adni/images/067_S_2304/2014-03-19/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 30,568 mm³, 1.8% above the reference mean. With a Z-score of 0.04 (51.7th percentile), this represents normal volume ; hippocampal volume measures 8,083 mm³, 0.7% above the reference mean. With a Z-score of 0.07 (52.8th percentile), this represents normal volume ; whole brain volume measures 1,245,880 mm³, 9.8% above the reference mean. With a Z-score of 1.39 (91.8th percentile), this represents mild enlargement; entorhinal cortex volume measures 4,837 mm³, 13.5% above the reference mean. With a Z-score of 0.93 (82.4th percentile), this represents normal volume ; fusiform gyrus volume measures 19,271 mm³, 3.2% below the reference mean. With a Z-score of -0.27 (39.5th percentile), this represents normal volume ; middle temporal gyrus volume measures 22,425 mm³, 0.1% above the reference mean. With a Z-score of 0.00 (50.2th percentile), this represents normal volume . ",
  "text_data": "Age is 64.3 years. Gender is Male. Education: 17 years. MMSE: 26.0. MoCA: 24.0. Logical Memory: 15.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements are largely within normal ranges or mildly enlarged, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. Cognitive scores (MMSE 26, MoCA 24) are slightly below optimal but still within the normal range for age, and the absence of APOE4 further reduces Alzheimer's risk.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T08:35:39.631231"
}