Metastatic rhabdomyosarcoma initially diagnosed on the bone marrow

[Figure][1] A 15-year-old boy presented with a rapid-onset right-sided facial mass, thrombocytopenia (114 × 109/L), and elevated serum lactate dehydrogenase. A computed tomography scan demonstrated a maxillary sinus and nasopharyngeal mass with extensive cervical lymphadenopathy. Bone