Squamous cell carcinoma: A pathology case report follow-up
Author: Stacey L. Gividen, DDS Source: www.dentistryiq.com Remember that case about the pathology on the right posterior lateral border of the tongue that had some “meat” to it? The lesion was small, caused no discomfort, and would have gone on to be something much worse had it not been caught early. What was the definitive? Well, as suspected, it was cancer—squamous cell carcinoma (SCC) to be exact. Refreshers regarding pathology are always good for us, so take a quick second and read up on this type of cancer that is more common than you think. Chances are, you’ve diagnosed this before; if you haven’t, keep looking because at some point in your career, you will. Stats/General Information 1 What is SCC? It’s an end-stage alteration in stratified squamous epithelium, beginning as an epithelial dysplasia until the dysplastic epithelial cells breach the basement membrane and invade the connective tissue. Another common name is epidermoid carcinoma. SCC represents 3% of all cancer in males, 2% in females. The survival rate is 50% SCC is the most common malignant neoplasm of the oral cavity, representing approximately 90% of all oral cancers. Etiologic factors: Tobacco habit, Alcohol consumption Viruses Actinic radiation Immunosuppression Nutritional deficiencies Preexisting diseases Chronic irritation. Treatment 1 Clinical staging of the head and neck using the TNM system (T = primary tumor; N = regional lymph node; M = distant metastasis). There is a specific system for the oral cavity. Treatment is by surgical excision, radiation therapy, and if extensive enough, [...]