{
  "ptid_time": "035_S_2061_2010-09-13",
  "img_path": "/data/qiuhui/data/adni/images/035_S_2061/2010-09-13/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 19,009 mm³, 14.9% below the reference mean. With a Z-score of -0.37 (35.5th percentile), this represents normal volume ; hippocampal volume measures 6,996 mm³, 9.0% below the reference mean. With a Z-score of -1.01 (15.7th percentile), this represents mild atrophy; whole brain volume measures 1,052,030 mm³, 2.2% above the reference mean. With a Z-score of 0.28 (60.9th percentile), this represents normal volume ; entorhinal cortex volume measures 3,599 mm³, 7.6% below the reference mean. With a Z-score of -0.59 (27.9th percentile), this represents normal volume ; fusiform gyrus volume measures 19,662 mm³, 8.0% above the reference mean. With a Z-score of 0.90 (81.5th percentile), this represents normal volume ; middle temporal gyrus volume measures 23,143 mm³, 12.8% above the reference mean. With a Z-score of 1.14 (87.2th percentile), this represents mild enlargement. ",
  "text_data": "Age is 66.0 years. Gender is Female. Education: 16 years. Handedness: Right. Race: White. Medical history: Psychiatric; Smoking. MMSE: 28.0. MoCA: 25.0. Logical Memory: 10.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.04 SUVR (normal ); Total tau: 204.30 pg/mL (normal ); Phosphorylated tau: 17.63 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The hippocampal volume shows mild atrophy (Z-score -1.01, 15.7th percentile), while other brain regions are within normal ranges or slightly enlarged. Cognitive scores (MMSE 28, MoCA 25) are borderline normal but do not strongly indicate impairment. Biomarkers (T-tau, P-tau, AV45) are normal, and APOE4 is negative.  \n\nDiagnosis: **Mild Cognitive Impairment (MCI)**  \nConfidence: **Medium** (due to hippocampal atrophy and borderline cognitive scores, but lack of significant biomarker or clinical impairment)",
  "timestamp": "2025-07-26T05:51:57.686674"
}