Sinonasal Undifferentiated Carcinoma is related to olfactory neuroblastoma and neuroendocrine carcinoma. An important gene associated with Sinonasal Undifferentiated Carcinoma is NUTM1 (NUT Midline Carcinoma Family Member 1), and among its related pathways/superpathways are Chromatin Regulation / Acetylation and AMPK Enzyme Complex Pathway. The drugs Fluorouracil and Carboplatin have been mentioned in the context of this disorder. Affiliated tissues include small intestine and spinal cord.