{
  "ptid_time": "141_S_0982_2006-11-15",
  "img_path": "/data/qiuhui/data/adni/images/141_S_0982/2006-11-15/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 45,850 mm³, 24.0% above the reference mean. With a Z-score of 0.65 (74.2th percentile), this represents normal volume ; hippocampal volume measures 5,948 mm³, 8.4% below the reference mean. With a Z-score of -0.67 (25.0th percentile), this represents normal volume ; whole brain volume measures 1,055,400 mm³, 13.7% above the reference mean. With a Z-score of 1.64 (95.0th percentile), this represents moderate enlargement; entorhinal cortex volume measures 3,555 mm³, 2.7% above the reference mean. With a Z-score of 0.14 (55.7th percentile), this represents normal volume ; fusiform gyrus volume measures 16,476 mm³, 2.3% above the reference mean. With a Z-score of 0.17 (56.8th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,785 mm³, 9.7% above the reference mean. With a Z-score of 0.87 (80.7th percentile), this represents normal volume . ",
  "text_data": "Age is 80.2 years. Gender is Female. Education: 16 years. Handedness: Right. Race: White. Medical history: Psychiatric; Neurologic; Head, Eyes, Ears, Nose and Throat; Cardiovascular; Musculoskeletal; Hematopoietic-Lymphatic; Allergies or Drug Sensitivities; Major Surgical Procedures. MMSE: 26.0. Logical Memory: 0.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The hippocampal volume is slightly below the reference mean (Z-score -0.67), but still within the normal range. The MMSE score of 26 is borderline but not definitively impaired, and there are no other significant structural abnormalities or APOE4 risk factors.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** Medium (due to borderline hippocampal volume and MMSE score, but no strong evidence of MCI or dementia)",
  "timestamp": "2025-07-26T16:52:06.895823"
}