Pleomorphic Adenoma: Characteristics and Features
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Questions and Answers

What is the most common site for Mucoepidermoid carcinoma?

  • Palate
  • Parotid gland (correct)
  • Submandibular gland
  • Tongue

Which type of carcinoma is known for local and distant metastasis?

  • Salivary duct carcinoma
  • Carcinoma ex-pleomorphic adenoma (correct)
  • Intracapsular carcinoma
  • Mucoepidermoid carcinoma

What is the characteristic of Mucoepidermoid carcinoma in terms of its composition?

  • Composed of only squamoid cells
  • Composed of only mucinous cells
  • Composed of only intermediate cells
  • Composed of mucinous, squamoid, and intermediate cells (correct)

What is the difference between low and high grade Mucoepidermoid carcinoma?

<p>Cellular atypia and necrosis are present in high grade, while cyst formation is present in low grade (B)</p> Signup and view all the answers

Which of the following is not a type of carcinoma?

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

What is the prognosis of Intracapsular carcinoma?

<p>Good prognosis (D)</p> Signup and view all the answers

What is the characteristic of Mucoepidermoid carcinoma in terms of its macroscopic features?

<p>May be soft or firm, and circumscribed or infiltrative (C)</p> Signup and view all the answers

What is the primary site of Primary intra-osseous (central) Mucoepidermoid carcinoma?

<p>Wall of a dentigerous cyst (A)</p> Signup and view all the answers

What is the most common benign neoplasm of the salivary glands in both children and adults?

<p>Pleomorphic Adenoma (A)</p> Signup and view all the answers

What is the most common site for pleomorphic adenoma, followed by the palate and submandibular gland?

<p>Parotid gland (A)</p> Signup and view all the answers

Which of the following is a malignant neoplasm that arises from a pleomorphic adenoma?

<p>Carcinoma Ex-pleomorphic Adenoma (B)</p> Signup and view all the answers

What is the characteristic of a benign neoplasm in terms of growth rate?

<p>Slowly growing (A)</p> Signup and view all the answers

What is the characteristic of a malignant neoplasm in terms of bone invasion?

<p>Bone invasion (D)</p> Signup and view all the answers

Which of the following is a type of malignant neoplasm of the salivary glands?

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

What is the name of the tumor that arises from a combination of epithelial and myoepithelial components?

<p>Pleomorphic Adenoma (A)</p> Signup and view all the answers

Which of the following is NOT a type of non-epithelial neoplasm of the salivary glands?

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

Which histopathologic feature differentiates pleomorphic adenoma from other salivary gland tumors?

<p>Presence of spindle myoepithelial cells (A)</p> Signup and view all the answers

Why is parotidectomy recommended over enucleation for treating pleomorphic adenoma?

<p>To decrease the likelihood of recurrence (D)</p> Signup and view all the answers

Which is NOT a clinical feature of malignant transformation in pleomorphic adenoma?

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

What is a feature often seen in the epithelial element of pleomorphic adenoma?

<p>Arrangement in solid sheets or strands (D)</p> Signup and view all the answers

Which of the following best describes the tumor tissue in pleomorphic adenoma?

<p>Surrounded by a capsule of varying thickness and completeness (A)</p> Signup and view all the answers

What type of metaplasia can occur in the myoepithelial cells of pleomorphic adenoma?

<p>Squamous metaplasia with keratin production (C)</p> Signup and view all the answers

Which of the following best characterizes the macroscopic features of pleomorphic adenoma?

<p>Usually single, firm, and movable (D)</p> Signup and view all the answers

What condition might accompany the presence of pleomorphic adenoma?

<p>Metachronous or synchronous tumor occurrence (B)</p> Signup and view all the answers

What condition increases the risk of malignant transformation in salivary gland tumors?

<p>Older patient age (B)</p> Signup and view all the answers

Which site is the most common for distant metastasis of metastasizing pleomorphic adenoma?

<p>Bone (A)</p> Signup and view all the answers

What histological feature is NOT a characteristic of a Warthin tumor?

<p>Metaplastic squamous cells (B)</p> Signup and view all the answers

What is a common cause linked to the development of Warthin tumors?

<p>Cigarette smoking (A)</p> Signup and view all the answers

In which decades of life do Warthin tumors typically occur?

<p>Sixth and seventh decades (C)</p> Signup and view all the answers

Which gender is more commonly affected by Warthin tumors?

<p>Males (D)</p> Signup and view all the answers

What can cause the lymphoid tissue to come into contact with salivary gland tissue in Warthin tumors?

<p>Late encapsulation of the parotid gland (D)</p> Signup and view all the answers

What is the prognosis for patients with metastasizing pleomorphic adenoma?

<p>Good with few complications (D)</p> Signup and view all the answers

Where is Warthin tumor most commonly located?

<p>Inferior pole of the parotid gland (C)</p> Signup and view all the answers

What type of cells line the cystic spaces in Warthin tumor?

<p>Oncocytic epithelial cells (C)</p> Signup and view all the answers

Which histological feature is NOT characteristic of Warthin tumor?

<p>Neuroendocrine cells (D)</p> Signup and view all the answers

What is the typical prognosis for Warthin tumor?

<p>Low rate of local recurrence (C)</p> Signup and view all the answers

Which gender is more commonly affected by Carcinoma ex-pleomorphic adenoma?

<p>Women (A)</p> Signup and view all the answers

Which feature is commonly associated with Carcinoma ex-pleomorphic adenoma?

<p>Rapid growth of a painful mass (A)</p> Signup and view all the answers

Which symptom is indicative of advanced Carcinoma ex-pleomorphic adenoma?

<p>Facial paralysis (A)</p> Signup and view all the answers

What should NOT be considered a standalone diagnosis in the management of patients with Carcinoma ex-pleomorphic adenoma?

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

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