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Table 1 AAST-scale and modified scale for classification of spleen injuries.

From: No further incidence of sepsis after splenectomy for severe trauma: a multi-institutional experience of the trauma registry of the DGU with 1,630 patients

AAST Grade

Injury

Injury Description

AIS-98* Grade

I

hematoma

laceration

subcapsular, < 10% surface

capsular tear, < 1 cm

2

2

II

hematoma

laceration

subcapsular, 10-50% surface; intraparenchymal hematoma, < 10 cm in diameter

1-3 cm deep, < 10 cm long

2

2

III

hematoma

laceration

subcapsular, > 50% surface; intraparenchymal hematoma, > 10 cm

> 3 cm parenchymal

3

3

IV

laceration

parenchymal disruption involving 25-75% of spleen

4

V

laceration

vascular

parenchymal disruption involving > 75% of spleen

splenic venous injuries

5

5

VI

vascular

splenic avulsion

6

  1. *Note-AIS-98 = Abbreviated Injury Scale, 1998 version.
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European Journal of Medical Research

ISSN: 2047-783X

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