{
  "ptid_time": "036_S_4878_2012-10-19",
  "img_path": "/data/qiuhui/data/adni/images/036_S_4878/2012-10-19/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 20,996 mm³, 25.2% below the reference mean. With a Z-score of -0.58 (28.2th percentile), this represents normal volume ; hippocampal volume measures 7,291 mm³, 2.5% above the reference mean. With a Z-score of 0.23 (59.0th percentile), this represents normal volume ; whole brain volume measures 904,035 mm³, 7.2% below the reference mean. With a Z-score of -0.91 (18.1th percentile), this represents normal volume ; entorhinal cortex volume measures 3,880 mm³, 5.6% above the reference mean. With a Z-score of 0.35 (63.5th percentile), this represents normal volume ; fusiform gyrus volume measures 18,870 mm³, 10.9% above the reference mean. With a Z-score of 0.99 (84.0th percentile), this represents normal volume ; middle temporal gyrus volume measures 17,876 mm³, 6.7% below the reference mean. With a Z-score of -0.59 (27.9th percentile), this represents normal volume . ",
  "text_data": "Age is 72.9 years. Gender is Female. Education: 14 years. Handedness: Right. Race: Black or African American. Medical history: Head, Eyes, Ears, Nose and Throat; Cardiovascular; Hepatic; Musculoskeletal; Endocrine-Metabolic; Gastrointestinal; Renal-Genitourinary; Allergies or Drug Sensitivities; Major Surgical Procedures. MMSE: 29.0. MoCA: 26.0. Logical Memory: 16.0. APOEε4 alleles: 0.0. Biomarker levels: Florbetapir (AV45): 1.03 SUVR (normal ); Total tau: 168.60 pg/mL (normal ); Phosphorylated tau: 14.75 pg/mL (normal ). ",
  "true_diagnosis": "Diagnosis: CN.",
  "gpt_diagnosis": "Reasoning: All brain volumes (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus, and middle temporal gyrus) are within normal ranges based on Z-scores and percentiles. Cognitive scores (MMSE 29, MoCA 26) are also within normal limits, and biomarkers (T-tau, P-tau, AV45) are normal. No significant atrophy or biomarker abnormalities suggest cognitive impairment.  \nDiagnosis: CN (Cognitively Normal)  \nConfidence: High",
  "timestamp": "2025-07-26T06:18:52.756833"
}