Embryonal rhabdomyosarcoma

Last revised by Joshua Yap on 21 Jul 2022

The embryonal subtype of rhabdomyosarcoma is the most common variety of rhabdomyosarcoma, accounting for 50-70% of cases 1,2. It is typically seen in children below the age of 15.


Embryonal rhabdomyosarcomas are further divided into three subtypes 1:


Typically these tumors arise in the head and neck and genitourinary tract

Radiographic features

The features are non-specific (see radiographic features in the parent article: rhabdomyosarcoma), although, in general, embryonal rhabdomyosarcomas tend to be more homogeneous. When located in the extremities, they may cause bowing of long bones in children 1.

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