{
  "ptid_time": "018_S_2180_2013-01-02",
  "img_path": "/data/qiuhui/data/adni/images/018_S_2180/2013-01-02/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 18,469 mm³, 34.2% below the reference mean. With a Z-score of -0.78 (21.7th percentile), this represents normal volume ; hippocampal volume measures 7,249 mm³, 1.9% above the reference mean. With a Z-score of 0.17 (56.9th percentile), this represents normal volume ; whole brain volume measures 948,818 mm³, 2.7% below the reference mean. With a Z-score of -0.33 (36.9th percentile), this represents normal volume ; entorhinal cortex volume measures 4,451 mm³, 21.2% above the reference mean. With a Z-score of 1.30 (90.3th percentile), this represents mild enlargement; fusiform gyrus volume measures 14,874 mm³, 12.6% below the reference mean. With a Z-score of -1.14 (12.6th percentile), this represents mild atrophy; middle temporal gyrus volume measures 19,547 mm³, 2.0% above the reference mean. With a Z-score of 0.17 (56.8th percentile), this represents normal volume . ",
  "text_data": "Age is 79.6 years. Gender is Female. Education: 12 years. MMSE: 27.0. MoCA: 25.0. Logical Memory: 7.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.04 SUVR (normal ); Total tau: 230.50 pg/mL (normal ); Phosphorylated tau: 20.48 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements show mostly normal values, with mild atrophy in the fusiform gyrus and mild enlargement in the entorhinal cortex. Cognitive scores (MMSE 27, MoCA 25) are within normal limits for age, and biomarkers (T-tau, P-tau, AV45) are normal.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T00:55:11.198260"
}