{
  "ptid_time": "003_S_1122_2012-01-20",
  "img_path": "/data/qiuhui/data/adni/images/003_S_1122/2012-01-20/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 22,919 mm³, 38.0% below the reference mean. With a Z-score of -1.03 (15.3th percentile), this represents mild atrophy; hippocampal volume measures 7,119 mm³, 9.6% above the reference mean. With a Z-score of 0.77 (77.9th percentile), this represents normal volume ; whole brain volume measures 736,152 mm³, 20.7% below the reference mean. With a Z-score of -2.48 (0.7th percentile), this represents significant atrophy; entorhinal cortex volume measures 3,017 mm³, 12.9% below the reference mean. With a Z-score of -0.69 (24.4th percentile), this represents normal volume ; fusiform gyrus volume measures 10,131 mm³, 37.1% below the reference mean. With a Z-score of -2.79 (0.3th percentile), this represents significant atrophy; middle temporal gyrus volume measures 15,552 mm³, 13.7% below the reference mean. With a Z-score of -1.22 (11.1th percentile), this represents mild atrophy. ",
  "text_data": "Age is 81.6 years. Gender is Female. Education: 14 years. Handedness: Right. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Musculoskeletal; Endocrine-Metabolic; Gastrointestinal. MMSE: 28.0. MoCA: 20.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows significant atrophy in whole brain and fusiform gyrus volumes, with mild atrophy in ventricular and middle temporal gyrus volumes, while hippocampal and entorhinal cortex volumes are within normal ranges. The MMSE score is normal (28/30), but the MoCA score (20/30) suggests mild cognitive impairment, which is inconsistent with the MMSE.  \nDiagnosis: MCI (Mild Cognitive Impairment)  \nConfidence: Medium (due to conflicting cognitive test results despite significant structural atrophy)",
  "timestamp": "2025-07-25T20:46:56.939935"
}