{
  "ptid_time": "073_S_2191_2011-07-08",
  "img_path": "/data/qiuhui/data/adni/images/073_S_2191/2011-07-08/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 17,824 mm³, 20.2% below the reference mean. With a Z-score of -0.51 (30.7th percentile), this represents normal volume ; hippocampal volume measures 8,156 mm³, 6.1% above the reference mean. With a Z-score of 0.69 (75.4th percentile), this represents normal volume ; whole brain volume measures 1,180,860 mm³, 14.7% above the reference mean. With a Z-score of 1.84 (96.7th percentile), this represents moderate enlargement; entorhinal cortex volume measures 4,662 mm³, 19.8% above the reference mean. With a Z-score of 1.53 (93.7th percentile), this represents moderate enlargement; fusiform gyrus volume measures 23,188 mm³, 27.3% above the reference mean. With a Z-score of 3.08 (99.9th percentile), this represents profound enlargement; middle temporal gyrus volume measures 22,884 mm³, 11.5% above the reference mean. With a Z-score of 1.02 (84.7th percentile), this represents mild enlargement. ",
  "text_data": "Age is 67.2 years. Gender is Female. Education: 18 years. MMSE: 30.0. MoCA: 28.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: All brain volumes (hippocampus, entorhinal cortex, fusiform gyrus, middle temporal gyrus) are above the reference mean, with some regions showing moderate to profound enlargement. Cognitive scores (MMSE 30, MoCA 28) are within normal range, and there is no APOE4 risk allele. No structural atrophy or cognitive impairment is evident.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T09:37:50.040124"
}