{
  "ptid_time": "135_S_6509_2019-08-06",
  "img_path": "/data/qiuhui/data/adni/images/135_S_6509/2019-08-06/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 29,907 mm³, 0.4% below the reference mean. With a Z-score of -0.01 (49.6th percentile), this represents normal volume ; hippocampal volume measures 7,614 mm³, 5.1% below the reference mean. With a Z-score of -0.51 (30.4th percentile), this represents normal volume ; whole brain volume measures 1,110,420 mm³, 2.1% below the reference mean. With a Z-score of -0.30 (38.2th percentile), this represents normal volume ; entorhinal cortex volume measures 4,068 mm³, 4.6% below the reference mean. With a Z-score of -0.32 (37.6th percentile), this represents normal volume ; fusiform gyrus volume measures 17,296 mm³, 13.1% below the reference mean. With a Z-score of -1.09 (13.8th percentile), this represents mild atrophy; middle temporal gyrus volume measures 24,472 mm³, 9.2% above the reference mean. With a Z-score of 0.76 (77.6th percentile), this represents normal volume . ",
  "text_data": "Age is 66.4 years. Gender is Male. Education: 16 years. MMSE: 30.0. MoCA: 26.0. Logical Memory: 14.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measures show mostly normal values, with only mild atrophy in the fusiform gyrus. Cognitive scores (MMSE 30, MoCA 26) are within normal ranges, and there is no APOE4 genetic risk factor. No significant hippocampal or entorhinal cortex atrophy is present.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T15:52:00.572368"
}