{
  "ptid_time": "116_S_0382_2011-06-16",
  "img_path": "/data/qiuhui/data/adni/images/116_S_0382/2011-06-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 32,839 mm³, 11.2% below the reference mean. With a Z-score of -0.30 (38.2th percentile), this represents normal volume ; hippocampal volume measures 6,838 mm³, 5.3% above the reference mean. With a Z-score of 0.42 (66.4th percentile), this represents normal volume ; whole brain volume measures 925,412 mm³, 0.3% below the reference mean. With a Z-score of -0.04 (48.6th percentile), this represents normal volume ; entorhinal cortex volume measures 3,687 mm³, 6.5% above the reference mean. With a Z-score of 0.35 (63.7th percentile), this represents normal volume ; fusiform gyrus volume measures 17,653 mm³, 9.6% above the reference mean. With a Z-score of 0.72 (76.4th percentile), this represents normal volume ; middle temporal gyrus volume measures 18,850 mm³, 4.6% above the reference mean. With a Z-score of 0.41 (65.7th percentile), this represents normal volume . ",
  "text_data": "Age is 80.5 years. Gender is Female. Education: 20 years. Handedness: Right. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Cardiovascular; Dermatologic-Connective Tissue; Musculoskeletal; Smoking; Malignancy; Major Surgical Procedures. MMSE: 29.0. MoCA: 30.0. Logical Memory: 15.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "**Reasoning:** All brain volume measures (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are within normal ranges, with Z-scores close to or above the mean. Cognitive assessments (MMSE: 29, MoCA: 30) indicate no impairment, and the absence of APOE4 further reduces Alzheimer's risk.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-26T11:53:42.041766"
}