Intramuscular hemangioma

Case contributed by Jeremy Jones
Diagnosis certain

Presentation

Lump on the lateral aspect of the right arm. Bluish tinge to skin.

Patient Data

Age: 9 years
Gender: Female
ultrasound
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Info

A large mass is situated within the muscles of the lateral aspect of the right distal upper arm. It has numerous tubular internal hypoechoic areas that demonstrate flow. Features consistent with a vascular tumor.

mri
This study is a stack
Axial
T1
This study is a stack
Axial T1
C+ fat sat
This study is a stack
Axial T2
fat sat
This study is a stack
Coronal
T1
This study is a stack
Coronal T1
fat sat
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Info

The mass demonstrated on US is again visualized as a high T2, low T1, enhancing lesion. It contains fatty elements (high signal rim on T1 which surpasses on T1 fat sat) and features are consistent with an intramuscular hemangioma.

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