{
  "ptid_time": "037_S_0377_2017-04-07",
  "img_path": "/data/qiuhui/data/adni/images/037_S_0377/2017-04-07/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 47,963 mm³, 1.9% below the reference mean. With a Z-score of -0.17 (43.3th percentile), this represents normal volume ; hippocampal volume measures 6,767 mm³, 6.2% above the reference mean. With a Z-score of 0.68 (75.2th percentile), this represents normal volume ; whole brain volume measures 1,076,750 mm³, 7.5% above the reference mean. With a Z-score of 1.28 (89.9th percentile), this represents mild enlargement; entorhinal cortex volume measures 4,571 mm³, 15.6% above the reference mean. With a Z-score of 0.80 (78.9th percentile), this represents normal volume ; fusiform gyrus volume measures 16,362 mm³, 2.9% below the reference mean. With a Z-score of -0.34 (36.8th percentile), this represents normal volume ; middle temporal gyrus volume measures 19,391 mm³, 2.9% above the reference mean. With a Z-score of 0.44 (67.0th percentile), this represents normal volume . ",
  "text_data": "Age is 90.3 years. Gender is Male. Education: 16 years. MMSE: 27.0. MoCA: 26.0. Logical Memory: 5.0. APOEε4 alleles: 1.0. Biomarker levels: Florbetapir (AV45): 1.44 SUVR (significant elevated). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measurements are largely within normal ranges or even slightly above average, particularly in the hippocampus and entorhinal cortex, which are key regions for Alzheimer's pathology. Cognitive scores (MMSE 27, MoCA 26) are also within normal limits for age, despite the presence of one APOE4 allele and elevated amyloid (AV45).  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T06:27:52.675185"
}