{
  "ptid_time": "941_S_4036_2012-08-17",
  "img_path": "/data/qiuhui/data/adni/images/941_S_4036/2012-08-17/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 9,411 mm³, 75.6% below the reference mean. With a Z-score of -1.81 (3.5th percentile), this represents moderate atrophy; hippocampal volume measures 7,756 mm³, 2.6% above the reference mean. With a Z-score of 0.25 (60.0th percentile), this represents normal volume ; whole brain volume measures 1,031,990 mm³, 4.4% below the reference mean. With a Z-score of -0.57 (28.4th percentile), this represents normal volume ; entorhinal cortex volume measures 4,502 mm³, 9.8% above the reference mean. With a Z-score of 0.66 (74.7th percentile), this represents normal volume ; fusiform gyrus volume measures 22,258 mm³, 18.2% above the reference mean. With a Z-score of 1.55 (93.9th percentile), this represents moderate enlargement; middle temporal gyrus volume measures 18,513 mm³, 13.2% below the reference mean. With a Z-score of -1.19 (11.7th percentile), this represents mild atrophy. ",
  "text_data": "Age is 75.0 years. Gender is Male. Education: 20 years. MMSE: 28.0. MoCA: 26.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The ventricular volume shows moderate atrophy, but other key regions (hippocampus, entorhinal cortex) are normal or even enlarged. Cognitive scores (MMSE 28, MoCA 26) are within normal ranges, and there is no APOE4 risk allele. The middle temporal gyrus shows mild atrophy, but this alone is not indicative of significant neurodegeneration.  \nDiagnosis: CN (Cognitively Normal)  \nConf",
  "timestamp": "2025-07-26T17:32:49.997797"
}