Epithelial Tissue Tumors

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Questions and Answers

A benign epithelial tumor growing exophytically with a 'cauliflower-like' appearance is most likely a:

  • Fibroma
  • Osteoma
  • Lipoma
  • Papilloma (correct)

While the exact cause may be unknown, papillomas can arise from what?

  • Excessive sun exposure
  • Chronic irritation from dentures
  • Genetic mutations only
  • A benign precursor of a neoplasm, tissue injury, or viral infection (correct)

A pigmented lesion composed of nevus or melanocytic cells is also known as a:

  • Sarcoma
  • Hemangioma
  • Fibroma
  • Mole (correct)

Intramucosal nevus is the most common variety of what in the oral cavity?

<p>Nevus (C)</p> Signup and view all the answers

Why would knowing the location of a mole be important?

<p>To prevent irritation (D)</p> Signup and view all the answers

A white patch in the oral mucosa that cannot be rubbed off and cannot be clinically characterized as any other disease is:

<p>Leukoplakia (B)</p> Signup and view all the answers

What component of cigarette smoke is the most significant cause of cancer?

<p>Tar (C)</p> Signup and view all the answers

What is the mechanism by which alcohol enhances the risk of oral cancer?

<p>It enhances the ability of carcinogens to permeate mouth tissues. (A)</p> Signup and view all the answers

The first symptom of primary syphilis is often characterized by:

<p>A single, small, round, painless sore (D)</p> Signup and view all the answers

Which of the following is the most common symptom of secondary syphilis?

<p>A rash on the palms of the hands and bottoms of the feet (A)</p> Signup and view all the answers

A common oral mucosal condition of unknown etiology, often observed in blacks, that requires no treatment is:

<p>Leukoedema (C)</p> Signup and view all the answers

A clinical diagnostic term for a chronic red mucosal macule that cannot be attributed to any specific cause is:

<p>Erythroplakia (C)</p> Signup and view all the answers

What is indicated if a clinician suspects that a lesion may transform into malignant?

<p>Remove or excise (B)</p> Signup and view all the answers

The condition found in rural India, caused by areca nut in quid, affecting the the buccal mucosa, lips, retromolar areas and soft palate is:

<p>Oral Submucous Fibrosis (B)</p> Signup and view all the answers

An indurated pearly papule with telangiectatic vessels on the skin of the head and neck, with the center ulcerated and crusted, is most likely:

<p>Basal Cell Carcinoma (C)</p> Signup and view all the answers

Which best describes nest and cords of cuboidal cells arising from the region of the epidermal basal cells.

<p>Basal Cell Carcinoma (D)</p> Signup and view all the answers

Which oral malignancy is often associated with a history of smokeless tobacco use?

<p>Squamous Cell Carcinoma (C)</p> Signup and view all the answers

What is the most critical factor influencing the prognosis of squamous cell carcinoma?

<p>Histologic subtype and clinical stage (A)</p> Signup and view all the answers

A chronic non-healing ulcer on the lip with history of sun exposure is likely:

<p>Squamous Cell Carcinoma (D)</p> Signup and view all the answers

A type of cancer that begins in the tissues covering the nasopharynx.

<p>Lymphoepithelioma (B)</p> Signup and view all the answers

Flashcards

Papilloma

A small benign epithelial tumor with an overgrowth of cells on a core of connective tissue.

Nevus

Any congenital lesion of various cell or tissue types, often pigmented.

Intradermal Nevus

Nevus where cells are in the connective tissue.

Junctional Nevus

Nevus where cells are at the junction between epithelium and connective tissue.

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Compound Nevus

Nevus where cells are in a combination of zones.

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Blue Nevus

Nevus with spindle shaped cells found deep in connective tissue.

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Leukoplakia

Clinical term for a white patch or plaque that can't be rubbed off and isn't any other disease.

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Erythroplakia

A clinical diagnostic term; a chronic red mucosal macule.

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Oral Submucous Fibrosis

A premalignant condition where the oral mucosa appears blanched, with marble-like appearance.

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Basal Cell Carcinoma

A type of cancer that arises from basal cells of the skin.

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Squamous Cell Carcinoma

Malignant tumor of squamous epithelium in the mouth

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Carcinoma of the lips

Cancer on the lip most due to sun

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Carcinoma of the Tongue

Cancer in the mouth cavity.

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Lymphoepithelioma

Is a cancer that begins in the tissues covering the nasopharynx

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Melanoma

It represents approximately 2% of all cancers

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