Question 8 (part 2) · LEK · Organ injuries
According to the American Association for the Surgery of Trauma (AAST) splenic injury scale, grade III injury is described as:
- A. subcapsular haematoma <10% of surface and a wound, capsular tear, parenchymal laceration <1 cm depth.
- B. subcapsular haematoma 10-50% of surface, intraparenchymal haematoma <5 cm and a wound, parenchymal laceration 1-3 cm in depth.
- C. parenchymal laceration involving segmental or hilar vessels producing >25% devascularisation.
- D. subcapsular haematoma >50% of surface, ruptured subcapsular or intraparenchymal haematoma ≥5 cm or increasing.
- E. complete pancreas fragmentation, damage to the hilum of the spleen causing devascularisation of the organ.
Hint
Grade III is the highest grade defined only by haematoma size and laceration depth, before injury to segmental or hilar vessels appears.
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