{
  "ptid_time": "027_S_1385_2007-02-28",
  "img_path": "/data/qiuhui/data/adni/images/027_S_1385/2007-02-28/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 14,384 mm³, 35.6% below the reference mean. With a Z-score of -0.89 (18.6th percentile), this represents normal volume ; hippocampal volume measures 4,340 mm³, 43.5% below the reference mean. With a Z-score of -4.88 (0.0th percentile), this represents profound atrophy; whole brain volume measures 842,107 mm³, 18.2% below the reference mean. With a Z-score of -2.26 (1.2th percentile), this represents significant atrophy; entorhinal cortex volume measures 4,254 mm³, 9.3% above the reference mean. With a Z-score of 0.72 (76.4th percentile), this represents normal volume ; fusiform gyrus volume measures 12,293 mm³, 32.5% below the reference mean. With a Z-score of -3.66 (0.0th percentile), this represents profound atrophy; middle temporal gyrus volume measures 14,936 mm³, 27.2% below the reference mean. With a Z-score of -2.42 (0.8th percentile), this represents significant atrophy. ",
  "text_data": "Age is 69.5 years. Gender is Female. Education: 12 years. Handedness: Unknown. Race: Unknown. Medical history: Cardiovascular; Musculoskeletal; Endocrine-Metabolic; Hematopoietic-Lymphatic; Major Surgical Procedures. MMSE: 26.0. Logical Memory: 0.0. APOEε4 alleles: 2.0. ",
  "true_diagnosis": "Diagnosis: AD.",
  "gpt_diagnosis": "Reasoning: The patient shows profound atrophy in the hippocampus and fusiform gyrus, along with significant atrophy in the whole brain and middle temporal gyrus, which are key regions affected in Alzheimer's disease. The MMSE score of 26 is borderline, but the structural changes strongly suggest neurodegeneration.  \nDiagnosis: Dementia (likely Alzheimer's disease)  \nConfidence: High",
  "timestamp": "2025-07-26T03:49:20.034320"
}