Читать книгу Anterior Skull Base Tumors - Группа авторов - Страница 45

The embryonal subtype should be differentiated from small cell tumours, olfactory neuroblastoma, small cell neuroendocrine carcinoma, and sinonasal melanoma. As aberrant keratin and neuroendocrine markers (synaptophysin/chromogranin) may occur in the alveolar subtype, immunohistochemical assessment for muscle markers (desmin/myogenin) is critical to this diagnosis.