Pathology of Head and Neck Tumors

Merkel Cell Carcinoma Pictures Scalp

HUVOS, MD TUMORS OF THE UPPER AERODIGESTIVE TRACT MUCOSA Neoplasias of the upper aerodigestive tract histologically tend to mimic the normal constituent cells in this region. The most common neoplasias show differentiation toward lining epithelium. pressure. Synchronous or metachronous association with squamous cell carcinoma as well as progression to it may occur in some patients with inverted Squamous papilloma is a solitary papillary lesion of the squamous...

Management of Cervical Metastasis

Postauricular Injection

ANDERSEN, MD, FACS SCOTT SAFFOLD, MD Head and neck cancer represents less than 5 percent of all cancers in the United States and will be responsible for approximately 11,800 deaths in 2001.1 However, worldwide it ranks as the sixth most common cancer,2 thus making head and neck cancer a major health problem. While the term head and neck cancer refers to tumors of myriad sites of origin and histologic types, over 90 percent of these are squamous carcinomas arising from the epithelium of...

Epidemiology and Etiology

Epidem Head And Neck Cancer Spain

The global incidence of cancers of the oral cavity, pharynx and larynx is about 500,000 cases per year with mortality of 270,000 cases per year.1 Excluding skin cancers, this represents about 6 percent of the incidence and 5 percent of the mortality of all cancers.1 About three-fourths of these are cancers of the oral cavity and pharynx and the remainder are laryn-geal cancers. Figure 1-1 describes the incidence of oral and pharyngeal cancers by world region. As demonstrated here, the areas of...