{
  "ptid_time": "027_S_0307_2008-04-16",
  "img_path": "/data/qiuhui/data/adni/images/027_S_0307/2008-04-16/t1.nii.gz",
  "img_finding": "Image findings: ventricular volume measures 28,560 mm³, 39.3% below the reference mean. With a Z-score of -1.14 (12.7th percentile), this represents mild atrophy; hippocampal volume measures 8,001 mm³, 14.8% above the reference mean. With a Z-score of 1.28 (90.0th percentile), this represents mild enlargement; whole brain volume measures 1,006,910 mm³, 2.2% below the reference mean. With a Z-score of -0.28 (38.8th percentile), this represents normal volume ; entorhinal cortex volume measures 3,429 mm³, 13.6% below the reference mean. With a Z-score of -0.89 (18.7th percentile), this represents normal volume ; fusiform gyrus volume measures 15,483 mm³, 14.3% below the reference mean. With a Z-score of -1.24 (10.8th percentile), this represents mild atrophy; middle temporal gyrus volume measures 20,444 mm³, 1.3% above the reference mean. With a Z-score of 0.12 (54.8th percentile), this represents normal volume . ",
  "text_data": "Age is 80.5 years. Gender is Male. Education: 19 years. MMSE: 29.0. Logical Memory: 10.0. Laboratory findings: Neutrophils: 6.38 (significant elevated); Creatine Kinase: 203.00 (significant elevated); Creatinine (Rate Blanked): 1.70 (profound elevated); Urea Nitrogen: 34.00 (profound elevated). APOEε4 alleles: 0.0. ",
  "true_diagnosis": "Diagnosis: MCI.",
  "gpt_diagnosis": "**Reasoning:** The patient shows mild ventricular enlargement (suggesting mild atrophy) and mild fusiform gyrus atrophy, but hippocampal volume is above average, and other regions (whole brain, entorhinal cortex, middle temporal gyrus) are within normal ranges. The MMSE score of 29 is intact, and there is no APOE4 genetic risk.  \n**Diagnosis:** CN (Cognitively Normal)  \n**Confidence:** Medium (due to mild atrophy in some regions but preserved cognition and no major structural deficits)",
  "timestamp": "2025-07-26T03:33:42.313851"
}