{
  "ptid_time": "100_S_0296_2012-04-27",
  "img_path": "/data/qiuhui/data/adni/images/100_S_0296/2012-04-27/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 24,710 mm³, 47.4% below the reference mean. With a Z-score of -1.38 (8.4th percentile), this represents mild atrophy; hippocampal volume measures 6,577 mm³, 5.6% below the reference mean. With a Z-score of -0.49 (31.4th percentile), this represents normal volume ; whole brain volume measures 1,076,090 mm³, 4.6% above the reference mean. With a Z-score of 0.60 (72.5th percentile), this represents normal volume ; entorhinal cortex volume measures 3,345 mm³, 15.7% below the reference mean. With a Z-score of -1.03 (15.2th percentile), this represents mild atrophy; fusiform gyrus volume measures 17,335 mm³, 4.0% below the reference mean. With a Z-score of -0.35 (36.3th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,031 mm³, 0.7% below the reference mean. With a Z-score of -0.06 (47.5th percentile), this represents normal volume . ",
  "text_data": "Age is 85.1 years. Gender is Male. Education: 10 years. Handedness: Right. Race: White. Medical history: Neurologic; Head, Eyes, Ears, Nose and Throat; Respiratory; Dermatologic-Connective Tissue; Musculoskeletal; Gastrointestinal; Hematopoietic-Lymphatic; Alcohol Abuse; Major Surgical Procedures. MMSE: 22.0. MoCA: 16.0. Logical Memory: 5.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The patient shows mild atrophy in the ventricular volume and entorhinal cortex, but hippocampal and other regional volumes are within normal ranges. Cognitive testing (MMSE: 22, MoCA: 16) indicates significant impairment, but the absence of APOE4 and relatively preserved hippocampal volume suggests a non-Alzheimer’s etiology or mixed pathology.  \nDiagnosis: Dementia (likely non-Alzheimer’s or mixed pathology)  \nConfidence: Medium",
  "timestamp": "2025-07-26T11:18:38.496253"
}