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20 Cards in this Set

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  • Back
What is the normal anatomy of a tooth
Schematic representation of the normal dental anatomy and surrounding supporting tissues.
What is demonstrated here
Fibroma. Smooth, pink, exophytic nodule on the buccal mucosa
What is shown here
Pyogenic granuloma. Erythematous, hemorrhagic, and exophytic mass arising from the gingival mucosa
What is shown here
Aphthous ulcer (Canker). Single ulceration with an erythematous halo surrounding a yellowish fibrinopurulent membrane
What is shown here
Erythroplakia. A, Lesion of the maxillary gingiva. B, Red lesion of the mandibular alveolar ridge. Biopsy of both lesions revealed carcinoma in situ
What is shown here
Leukoplakia. Clinical appearance of leukoplakias is highly variable and can range from A, smooth and thin with well-demarcated borders. B, diffuse and thick. C, irregular with a granular surface. D, diffuse and corrugated
What is the clinical, histologic, and molecular progression of oral cancer
Clinical, histologic, and molecular progression of oral cancer. A, The typical clinical progression of oral cancer. B, The histologic progression of squamous epithelium from normal, to hyperkeratosis, to mild/moderate dysplasia, to severe dysplasia, to cancer. C, The sites of the most common genetic alterations identified as important for cancer development
Where does squamous cell carcinoma of the oral cavity arise
Schematic representation of the sites of origin of squamous cell carcinoma of the oral cavity, in numerical order of frequency
What is shown here
A, Nasal polyps. Low-power magnification showing edematous masses lined by epithelium. B, High-power view showing edema and eosinophil-rich inflammatory infiltrate.
What is shown here
Inverted papilloma, the most important of the Sinonasal Papillomas. The masses of squamous epithelium are growing inward; hence, the term inverted
This specimen came from the upper airway. What does it demonstrate
Nasopharyngeal carcinoma, lymphoepithelioma type. The syncytium-like nests of epithelium are surrounded by lymphocytes
What is shown here
A, Laryngeal carcinoma. Note the large, ulcerated, fungating lesion involving the vocal cord and piriform sinus. B, Histologic appearance of laryngeal squamous cell carcinoma. Note the atypical lining epithelium and invasive keratinizing cancer cells in the submucosa
What does this picture demonstrate
Diagrammatic comparison of a benign papilloma and an exophytic carcinoma of the larynx to highlight their quite different appearances
What is shown here
Carotid body tumor (Paraganglioma of the neck). A, Low-power view showing tumor clusters separated by septa (zellballen). B, High-power view of large, eosinophilic, slightly vacuolated tumor cells with elongated sustentacular cells in the septa
What do these pictures demonstrate
Mucocele, the most common lesion of the salivary glands. A, Fluctuant fluid-filled lesion on the lower lip subsequent to trauma. B, Cystlike cavity filled with mucinous material and lined by organizing granulation tissue.
What do these pictures demonstrate
Pleomorphic adenoma, or mixed tumor. A, Slowly enlarging neoplasm in the parotid gland of many years duration. B, The bisected, sharply circumscribed, yellow-white tumor can be seen surrounded by normal salivary gland tissue
What do these pictures represent
Pleomorphic adenoma. A, Low-power view showing a well-demarcated tumor with adjacent normal salivary gland parenchyma. B, High-power view showing epithelial cells as well as myoepithelial cells found within a chondroid matrix material
What do these pictures demonstrate
Warthin tumor. A, Low-power view showing epithelial and lymphoid elements. Note the follicular germinal center beneath the epithelium. B, Cystic spaces separate lobules of neoplastic epithelium consisting of a double layer of eosinophilic epithelial cells based on a reactive lymphoid stroma
What do these pictures demonstrate
A, Mucoepidermoid carcinoma showing islands having squamous cells as well as clear cells containing mucin. B, Mucicarmine stains the mucin reddish-pink
This sample was taken from the salivary glands. What does it represent
Adenoid cystic carcinoma in a salivary gland. A, Low-power view. The tumor cells have created a cribriform pattern enclosing secretions. B, Perineural invasion by tumor cells.