{
  "ptid_time": "128_S_0200_2006-02-13",
  "img_path": "/data/qiuhui/data/adni/images/128_S_0200/2006-02-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 12,346 mm³, 58.9% below the reference mean. With a Z-score of -1.40 (8.1th percentile), this represents mild atrophy; hippocampal volume measures 9,102 mm³, 13.4% above the reference mean. With a Z-score of 1.34 (91.0th percentile), this represents mild enlargement; whole brain volume measures 1,172,280 mm³, 3.3% above the reference mean. With a Z-score of 0.47 (68.1th percentile), this represents normal volume ; entorhinal cortex volume measures 4,110 mm³, 3.6% below the reference mean. With a Z-score of -0.25 (40.2th percentile), this represents normal volume ; fusiform gyrus volume measures 21,808 mm³, 9.5% above the reference mean. With a Z-score of 0.79 (78.6th percentile), this represents normal volume ; middle temporal gyrus volume measures 21,320 mm³, 4.9% below the reference mean. With a Z-score of -0.40 (34.4th percentile), this represents normal volume . ",
  "text_data": "Age is 61.4 years. Gender is Male. Education: 16 years. Handedness: Right. Race: Asian. Medical history: Head, Eyes, Ears, Nose and Throat; Cardiovascular; Major Surgical Procedures. MMSE: 27.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume data shows mild ventricular atrophy but otherwise normal or above-average volumes in key regions (hippocampus, whole brain, entorhinal cortex, fusiform gyrus, middle temporal gyrus). The MMSE score of 27 is within the normal range, and the absence of APOE4 alleles reduces genetic risk. No significant cognitive impairment is evident.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T13:35:47.324571"
}