{
  "ptid_time": "114_S_1106_2006-11-21",
  "img_path": "/data/qiuhui/data/adni/images/114_S_1106/2006-11-21/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 28,209 mm³, 0.5% above the reference mean. With a Z-score of 0.01 (50.5th percentile), this represents normal volume ; hippocampal volume measures 6,630 mm³, 6.8% below the reference mean. With a Z-score of -0.62 (26.6th percentile), this represents normal volume ; whole brain volume measures 919,115 mm³, 5.7% below the reference mean. With a Z-score of -0.72 (23.7th percentile), this represents normal volume ; entorhinal cortex volume measures 4,020 mm³, 9.5% above the reference mean. With a Z-score of 0.58 (71.9th percentile), this represents normal volume ; fusiform gyrus volume measures 13,809 mm³, 18.8% below the reference mean. With a Z-score of -1.71 (4.3th percentile), this represents moderate atrophy; middle temporal gyrus volume measures 16,797 mm³, 12.4% below the reference mean. With a Z-score of -1.07 (14.1th percentile), this represents mild atrophy. ",
  "text_data": "Age is 74.0 years. Gender is Female. Education: 18 years. Handedness: Right. Race: White. Medical history: Head, Eyes, Ears, Nose and Throat; Cardiovascular; Respiratory; Musculoskeletal; Endocrine-Metabolic; Smoking. MMSE: 30.0. Logical Memory: 8.0. APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The brain volume data shows mild to moderate atrophy in the fusiform gyrus and middle temporal gyrus, which are regions often affected in neurodegenerative diseases. However, hippocampal and whole brain volumes are within normal ranges, and the MMSE score of 30 is intact, with no reported cognitive complaints.  \n\n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** Medium (due to isolated atrophy in temporal regions but preserved cognition and normal hippocampal volume)",
  "timestamp": "2025-07-26T11:43:47.811562"
}