{
  "ptid_time": "016_S_2007_2011-03-24",
  "img_path": "/data/qiuhui/data/adni/images/016_S_2007/2011-03-24/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 89,096 mm³, 141.0% above the reference mean. With a Z-score of 3.81 (100.0th percentile), this represents profound enlargement; hippocampal volume measures 5,503 mm³, 15.3% below the reference mean. With a Z-score of -1.22 (11.0th percentile), this represents mild atrophy; whole brain volume measures 884,433 mm³, 4.7% below the reference mean. With a Z-score of -0.57 (28.6th percentile), this represents normal volume . ",
  "text_data": "Age is 84.4 years. Gender is Female. Education: 20 years. Handedness: Right. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Cardiovascular; Musculoskeletal; Endocrine-Metabolic; Gastrointestinal; Allergies or Drug Sensitivities; Major Surgical Procedures. MMSE: 29.0. MoCA: 29.0. Logical Memory: 13.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The data shows profound ventricular enlargement (Z-score 3.81) and mild hippocampal atrophy (Z-score -1.22), which are concerning for neurodegenerative changes. However, cognitive scores (MMSE 29, MoCA 29) are intact, and there is no APOE4 risk allele.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium  \n\n(While the imaging shows some concerning structural changes, the preserved cognitive function and lack of genetic risk factor suggest the patient remains cognitively normal at this time. The confidence is medium because such significant ventricular enlargement at this age may still precede clinical symptoms.)",
  "timestamp": "2025-07-26T00:22:41.092947"
}