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. 2025 Jul 4;109(1):28. doi: 10.5334/jbsr.3993

Figure 2.

Postoperative brain CT in standard brain window with no clearly visible hypodense fat droplets in the subarachnoid space; Postoperative brain CT in bone window with very subtle hypodense fat droplets in the subarachnoid; Postoperative brain CT in 10 mm minimum intensity projection soft tissue window showing clear hypodense fat droplets in the subarachnoid space; Pre-operative brain CT in 10 mm minimum intensity projection soft tissue window shows a clear absence of subarachnoid fat droplets

The subarachnoid and intraventricular fat droplets are hardly visible on standard brain window (A) and very subtle on bone window (B). 10 mm minimum intensity projection (MinIP) images in the soft tissue window show the true extend of the fat dissemination in the cerebrospinal fluid (C). These were not present on the initial post‑traumatic NCCT (D).