{
  "ptid_time": "128_S_2123_2010-10-21",
  "img_path": "/data/qiuhui/data/adni/images/128_S_2123/2010-10-21/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 26,067 mm³, 16.7% above the reference mean. With a Z-score of 0.42 (66.2th percentile), this represents normal volume ; hippocampal volume measures 7,423 mm³, 3.4% below the reference mean. With a Z-score of -0.38 (35.1th percentile), this represents normal volume ; whole brain volume measures 1,140,570 mm³, 10.8% above the reference mean. With a Z-score of 1.35 (91.1th percentile), this represents mild enlargement; entorhinal cortex volume measures 4,081 mm³, 4.8% above the reference mean. With a Z-score of 0.37 (64.6th percentile), this represents normal volume ; fusiform gyrus volume measures 18,993 mm³, 4.3% above the reference mean. With a Z-score of 0.48 (68.6th percentile), this represents normal volume ; middle temporal gyrus volume measures 22,850 mm³, 11.4% above the reference mean. With a Z-score of 1.01 (84.4th percentile), this represents mild enlargement. ",
  "text_data": "Age is 63.9 years. Gender is Female. Education: 18 years. Handedness: Right. Race: White. Medical history: Psychiatric; Neurologic; Endocrine-Metabolic; Renal-Genitourinary; Major Surgical Procedures. MMSE: 30.0. MoCA: 30.0. Logical Memory: 11.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.01 SUVR (normal ); Amyloid beta: 1212.00 pg/mL (normal ); Total tau: 143.30 pg/mL (mild reduced); Phosphorylated tau: 11.79 pg/mL (mild reduced). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "Reasoning: The brain volume measures are largely within normal ranges or mildly enlarged, with no significant atrophy in key regions like the hippocampus or entorhinal cortex. Cognitive scores (MMSE, MoCA) are perfect, and biomarkers (Aβ, AV45) are normal, with no APOE4 risk allele.  \n\nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T13:59:09.659060"
}