Case Report Rhabdomyosarcoma (RMS) is a malignant soft tissue tumor that grows from striated muscle cells. It is the most common malignant mesenchymal tumor in children and adolescents. Jugal rhabdomyosarcomas or rhabdomyosarcomas of the masticatory space are a very rare group of malignant tumors. The purpose of this study is to determine the contribution of imaging in the early diagnosis, extension assessment, management and post-treatment follow-up of this very rare entity.