{
  "ptid_time": "136_S_0107_2008-02-25",
  "img_path": "/data/qiuhui/data/adni/images/136_S_0107/2008-02-25/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 21,786 mm³, 2.5% below the reference mean. With a Z-score of -0.06 (47.5th percentile), this represents normal volume ; hippocampal volume measures 7,230 mm³, 5.9% below the reference mean. With a Z-score of -0.66 (25.3th percentile), this represents normal volume ; whole brain volume measures 1,066,750 mm³, 3.7% above the reference mean. With a Z-score of 0.45 (67.5th percentile), this represents normal volume ; entorhinal cortex volume measures 4,561 mm³, 17.2% above the reference mean. With a Z-score of 1.33 (90.8th percentile), this represents mild enlargement; fusiform gyrus volume measures 17,306 mm³, 5.0% below the reference mean. With a Z-score of -0.56 (28.8th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,097 mm³, 2.1% below the reference mean. With a Z-score of -0.18 (42.7th percentile), this represents normal volume . ",
  "text_data": "Age is 62.7 years. Gender is Female. Education: 19 years. MMSE: 30.0. Logical Memory: 12.0. Laboratory findings: Alkaline Phosphatase: 33.00 (significant reduced). APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The brain volume measurements are largely within normal ranges, with only mild deviations (e.g., slightly reduced hippocampal volume but still within normal Z-score limits). The MMSE score of 30 is optimal, and the absence of APOE4 alleles further reduces Alzheimer's risk. No significant atrophy or cognitive impairment is evident.  \n\n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-26T15:55:38.791879"
}