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Head and Neck Rhabdomyosarcoma
Etiology: malignant neoplasm of striated muscle
Imaging: most often medial-superior quadrant, commonly intracranial extension + osseous destruction, T1 isointense, T2 hyperintense with variable contrast enhancement
Complications: metastasis to lung
Clinical: 50% head and neck / 30% genitourinary / 20% musculoskeletal, embryonal cell type seen in infants is most common, alveolar cell type seen in older children and affects musculoskeletal system and is more aggressive, orbital has best prognosis