Pathology

• Lymphoma: (see above), most common pediatric malignancy of the head and neck (excluding retinoblastoma and neoplasms of the central nervous system), both Hodgkin's and Non-Hodgkin's are more common in boys, Burkitt's lymphoma almost exclusively affects children

• Sarcomas: rhabdomyosarcomas (see below); Ewing's sarcoma, fibrosarcomas, chondrosarcomas, and others are less common

• Thyroid Carcinoma: papillary carcinoma most common, medullary carcinoma, radiation exposure is the most significant risk factor

• Nasopharyngeal Carcinoma: typically undifferentiated type

• Neuroblastomas: arise from neural crest cells, typically originate from sites below the diaphragm and may metastasize to skull and facial bones

• Salivary Gland Malignancies: mucoepidermoid carcinoma most common

• Malignant Teratoma

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