{
  "ptid_time": "067_S_6525_2019-06-05",
  "img_path": "/data/qiuhui/data/adni/images/067_S_6525/2019-06-05/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 20,908 mm³, 6.4% below the reference mean. With a Z-score of -0.16 (43.6th percentile), this represents normal volume ; hippocampal volume measures 7,686 mm³, 0.0% above the reference mean. With a Z-score of 0.00 (50.1th percentile), this represents normal volume ; whole brain volume measures 1,014,440 mm³, 1.4% below the reference mean. With a Z-score of -0.18 (42.9th percentile), this represents normal volume ; entorhinal cortex volume measures 4,114 mm³, 5.7% above the reference mean. With a Z-score of 0.44 (67.0th percentile), this represents normal volume ; fusiform gyrus volume measures 17,784 mm³, 2.3% below the reference mean. With a Z-score of -0.26 (39.6th percentile), this represents normal volume ; middle temporal gyrus volume measures 17,261 mm³, 15.9% below the reference mean. With a Z-score of -1.41 (7.9th percentile), this represents mild atrophy. ",
  "text_data": "Age is 62.2 years. Gender is Female. Education: 16 years. Handedness: Right. Race: White. MMSE: 28.0. MoCA: 22.0. Logical Memory: 11.0. Biomarker levels: Flobetaben (FBB): 1.11 SUVR (normal ). ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The brain volume measurements (ventricular, hippocampal, whole brain, entorhinal cortex, fusiform gyrus) are within normal ranges, except for mild atrophy in the middle temporal gyrus. The MMSE score (28/30) is normal, but the MoCA (22/30) suggests mild cognitive impairment, possibly due to the middle temporal gyrus atrophy.  \n\n**Diagnosis:** **Mild Cognitive Impairment (MCI)**  \n**Confidence:** **Medium** (due to normal MMSE but abnormal MoCA and isolated middle temporal gyrus atrophy)",
  "timestamp": "2025-07-26T08:43:50.811313"
}