{
  "ptid_time": "133_S_0912_2006-10-23",
  "img_path": "/data/qiuhui/data/adni/images/133_S_0912/2006-10-23/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 18,858 mm³, 32.8% below the reference mean. With a Z-score of -0.75 (22.6th percentile), this represents normal volume ; hippocampal volume measures 7,076 mm³, 0.5% below the reference mean. With a Z-score of -0.05 (48.0th percentile), this represents normal volume ; whole brain volume measures 956,200 mm³, 1.9% below the reference mean. With a Z-score of -0.24 (40.6th percentile), this represents normal volume ; entorhinal cortex volume measures 3,021 mm³, 17.7% below the reference mean. With a Z-score of -1.09 (13.8th percentile), this represents mild atrophy; fusiform gyrus volume measures 15,594 mm³, 8.3% below the reference mean. With a Z-score of -0.76 (22.4th percentile), this represents normal volume ; middle temporal gyrus volume measures 17,035 mm³, 11.1% below the reference mean. With a Z-score of -0.97 (16.7th percentile), this represents normal volume . ",
  "text_data": "Age is 73.9 years. Gender is Female. Education: 18 years. Handedness: Right. Race: Black or African American. Medical history: Cardiovascular; Musculoskeletal; Allergies or Drug Sensitivities; Smoking. MMSE: 29.0. Logical Memory: 7.0. APOEε4 alleles: 1.0. Biomarker levels: Total tau: 353.40 pg/mL (mild elevated); Phosphorylated tau: 32.75 pg/mL (mild elevated). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measures are largely within normal ranges, with only mild atrophy noted in the entorhinal cortex. The MMSE score of 29 is within the normal range, and while T-tau and P-tau are mildly elevated, these alone are not diagnostic of dementia. The APOE4 allele is a risk factor but not conclusive.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: Medium",
  "timestamp": "2025-07-26T15:27:19.664586"
}