{
  "ptid_time": "002_S_2010_2010-06-24",
  "img_path": "/data/qiuhui/data/adni/images/002_S_2010/2010-06-24/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 15,836 mm³, 29.1% below the reference mean. With a Z-score of -0.73 (23.3th percentile), this represents normal volume ; hippocampal volume measures 8,004 mm³, 4.2% above the reference mean. With a Z-score of 0.47 (68.0th percentile), this represents normal volume ; whole brain volume measures 986,403 mm³, 4.2% below the reference mean. With a Z-score of -0.52 (30.3th percentile), this represents normal volume ; entorhinal cortex volume measures 3,422 mm³, 12.1% below the reference mean. With a Z-score of -0.94 (17.4th percentile), this represents normal volume ; fusiform gyrus volume measures 16,734 mm³, 8.1% below the reference mean. With a Z-score of -0.91 (18.1th percentile), this represents normal volume ; middle temporal gyrus volume measures 20,358 mm³, 0.8% below the reference mean. With a Z-score of -0.07 (47.2th percentile), this represents normal volume . ",
  "text_data": "Age is 62.9 years. Gender is Female. Education: 20 years. Handedness: Right. Race: More than one race. Medical history: Head, Eyes, Ears, Nose and Throat; Dermatologic-Connective Tissue; Musculoskeletal; Allergies or Drug Sensitivities; Major Surgical Procedures. MMSE: 30.0. MoCA: 27.0. Logical Memory: 9.0. APOEε4 alleles: 1.0. Biomarker levels: Florbetapir (AV45): 1.16 SUVR (normal ); Total tau: 250.90 pg/mL (normal ); Phosphorylated tau: 21.94 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) fall within normal ranges based on Z-scores and percentiles. Cognitive scores (MMSE 30, MoCA 27) are within normal limits, and biomarkers (T-tau, P-tau, AV45) are normal. APOE4 carrier status is present but not currently associated with cognitive impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-25T20:17:50.500811"
}