{
  "ptid_time": "027_S_5110_2014-04-29",
  "img_path": "/data/qiuhui/data/adni/images/027_S_5110/2014-04-29/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 16,110 mm³, 27.9% below the reference mean. With a Z-score of -0.70 (24.3th percentile), this represents normal volume ; hippocampal volume measures 7,993 mm³, 4.0% above the reference mean. With a Z-score of 0.45 (67.4th percentile), this represents normal volume ; whole brain volume measures 976,127 mm³, 5.2% below the reference mean. With a Z-score of -0.64 (26.1th percentile), this represents normal volume ; entorhinal cortex volume measures 3,796 mm³, 2.5% below the reference mean. With a Z-score of -0.19 (42.3th percentile), this represents normal volume ; fusiform gyrus volume measures 16,166 mm³, 11.2% below the reference mean. With a Z-score of -1.26 (10.3th percentile), this represents mild atrophy; middle temporal gyrus volume measures 20,231 mm³, 1.4% below the reference mean. With a Z-score of -0.12 (45.0th percentile), this represents normal volume . ",
  "text_data": "Age is 69.8 years. Gender is Female. Education: 14 years. MMSE: 26.0. MoCA: 26.0. Logical Memory: 11.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements show mostly normal volumes, with only mild atrophy in the fusiform gyrus. Cognitive scores (MMSE and MoCA) are within the normal range for age, and there is no APOE4 genetic risk factor. No significant hippocampal or entorhinal cortex atrophy is present.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T04:08:50.814700"
}