Semkova et al reported the Hemangioma Activity and Severity Index (HASI) for evaluating an infantile hemangioma. The authors are from Medical University Sofia, Military Medical Academy and Tokuda Hospital in Bulgaria.
Patient selection: infantile hemangioma
Parameters:
(1) number
(2) size
(3) morphologic subtype
(4) depth of involvement
(5) localization
(6) involvement of other organs
(7) functional impairment (vision, breathing, feeding, etc)
Parameter
Finding
Points
number
1
0
2 to 4
1
>= 5
2
size (area)
<= 20 square mm
0
> 20 square mm
1
morphologic subtype
localized
0
segmental
2
depth of involvement
superficial
0
deep
1
mixed
1
localization
skin
0
mucosa
1
folds
1
central face
1
involvement of other organs
none
0
1
1
2 or more
2
functional impairment
no
0
yes
4
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 13
• The higher the score the greater the severity.
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