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Squamous Cell Carcinoma Introduction and Overview

Summary Thoughts: Squamous Cell Carcinoma Squamous cell carcinoma (SCCa) is, without question, the most common malignancy in the H&N. Recent developments in the understanding of the molecular nature and causes of SCCa now reveal it to be a heterogeneous malignancy. In most sites of the H&N, tobacco is the most common causative agent in the development of mucosal dysplasia and neoplasia. Alcohol is a synergistic cofactor,…

Mandible-Maxilla Osteoradionecrosis

KEY FACTS Terminology Abbreviation: Osteoradionecrosis (ORN) Definition: Complication of radiation therapy (XRT) with necrosis of bone and failure to heal You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Mandible-Maxilla Osteosarcoma

KEY FACTS Terminology Primary intramedullary high-grade malignant tumor of mesenchymal origin in which neoplastic cells produce osteoid, even if only in small amounts You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Ameloblastoma

KEY FACTS Terminology Definition: Benign but locally aggressive neoplasm originating from odontogenic epithelium Arises in tooth-bearing areas of mandibular or maxillary alveolus You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Dentigerous Cyst

KEY FACTS Terminology Definition: Benign developmental jaw cyst associated with crown of unerupted tooth Synonym: Follicular cyst You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Periapical Cyst (Radicular)

KEY FACTS Terminology Synonym = radicular cyst Most common odontogenic cyst Periapical rarefying osteitis = newer term to include periapical cyst, periapical granuloma, and periapical abscess You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Nasolabial Cyst

KEY FACTS Terminology Rare, benign, developmental cyst in nasal ala Synonyms: Nasoalveolar cyst, Klestadt cyst You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Mandible-Maxilla and TMJ Overview

Imaging Techniques and Indications The study of choice for evaluating the mandible and maxilla is thin-section bone algorithm CT and CECT . A standard protocol consists of coverage from the orbits to the hyoid at ≤ 1-mm intervals following contrast administration and postprocessing with both bone and soft tissue algorithm. Axial images should be acquired parallel to the inferior border of the mandible. Acquiring the maxilla…