Staging: Salivary Glands
Staging: Salivary Glands Christine M. Glastonbury, MBBS (T) Primary Tumor Adapted from 7th edition AJCC Staging Forms. TNM Definitions TX Primary tumor cannot be assessed T0 No evidence of primary…
Sinonasal Squamous Cell Carcinoma
Sinonasal Squamous Cell Carcinoma Michelle A. Michel, MD Key Facts Terminology Malignant epithelial tumor with squamous cell or epidermoid differentiation Imaging Location: Maxillary antrum involved > 80% CT findings Soft…
Esthesioneuroblastoma
Esthesioneuroblastoma Michelle A. Michel, MD Key Facts Terminology Malignant neuroectodermal tumor arising from olfactory mucosa in superior nasal cavity Imaging Enhanced MR with bone-only CT best maps ENB for en…
Sinonasal Osteosarcoma
Sinonasal Osteosarcoma Michelle A. Michel, MD Key Facts Terminology Rare malignant bone tumor arising from primitive bone-forming mesenchyma Imaging > 50% of craniofacial OSa arise in jaw Mandible > maxilla…
Sinonasal Melanoma
Sinonasal Melanoma Michelle A. Michel, MD Key Facts Terminology Neural crest cell malignancy arising from melanocytes in sinonasal mucosa Imaging Soft tissue mass in nasal cavity > paranasal sinuses with…
SCCa, Unknown Primary Site
SCCa, Unknown Primary Site Deborah R. Shatzkes, MD Key Facts Terminology SCCa in cervical lymph node with clinically occult primary site Carcinoma of unknown primary (CUP) Imaging CECT or MR…
Sinonasal Chondrosarcoma
Sinonasal Chondrosarcoma Michelle A. Michel, MD Key Facts Imaging Arises from maxilla, nasal septum, & skull base Nasal septum location: Posterosuperior vomer Bone CT: Chondroid matrix calcification & narrow bony…
Sinonasal Adenocarcinoma
Sinonasal Adenocarcinoma Michelle A. Michel, MD Key Facts Terminology Malignant neoplasm with glandular differentiation, or arising from surface epithelium or minor salivary rests Imaging Predilection for nasal cavity & ethmoid…
Sinonasal Undifferentiated Carcinoma
Sinonasal Undifferentiated Carcinoma Michelle A. Michel, MD Key Facts Terminology Sinonasal undifferentiated carcinoma (SNUC) Rare, aggressive, sinonasal nonsquamous cell epithelial or nonepithelial malignant neoplasm of varying histogenesis Imaging Aggressive sinonasal…
Sinonasal Adenoid Cystic Carcinoma
Sinonasal Adenoid Cystic Carcinoma Michelle A. Michel, MD Key Facts Terminology Malignant salivary type of adenocarcinoma Imaging Location: Maxillary > nasal cavity Low grade: Solidly enhancing, well-defined soft tissue mass…
