{
  "ptid_time": "022_S_0130_2012-05-10",
  "img_path": "/data/qiuhui/data/adni/images/022_S_0130/2012-05-10/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 28,251 mm³, 26.7% below the reference mean. With a Z-score of -0.64 (26.2th percentile), this represents normal volume ; hippocampal volume measures 7,776 mm³, 2.9% above the reference mean. With a Z-score of 0.28 (61.0th percentile), this represents normal volume ; whole brain volume measures 1,143,170 mm³, 5.9% above the reference mean. With a Z-score of 0.77 (77.8th percentile), this represents normal volume ; entorhinal cortex volume measures 4,633 mm³, 13.0% above the reference mean. With a Z-score of 0.88 (81.1th percentile), this represents normal volume ; fusiform gyrus volume measures 19,777 mm³, 5.0% above the reference mean. With a Z-score of 0.42 (66.4th percentile), this represents normal volume ; middle temporal gyrus volume measures 25,990 mm³, 21.8% above the reference mean. With a Z-score of 1.96 (97.5th percentile), this represents moderate enlargement. ",
  "text_data": "Age is 79.1 years. Gender is Male. Education: 16 years. Handedness: Right. Race: White. Medical history: Neurologic; Head, Eyes, Ears, Nose and Throat; Hepatic; Musculoskeletal; Gastrointestinal; Allergies or Drug Sensitivities; Smoking; Major Surgical Procedures. MMSE: 30.0. MoCA: 25.0. Logical Memory: 19.0. 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 or show enlargement, with no atrophy suggestive of neurodegeneration. Cognitive scores (MMSE 30, MoCA 25) are within normal limits for age, and the absence of APOE4 further reduces Alzheimer's risk.  \n\n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** High",
  "timestamp": "2025-07-26T02:04:39.753873"
}