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</p> Signup and view all the answers

    Which of the following is not a type of carcinoma?

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

    What is the prognosis of Intracapsular carcinoma?

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

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

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

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

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

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

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

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

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

    Why is parotidectomy recommended over enucleation for treating pleomorphic adenoma?

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

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

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

    What condition might accompany the presence of pleomorphic adenoma?

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

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

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

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

    <p>Bone</p> Signup and view all the answers

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

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

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

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

    In which decades of life do Warthin tumors typically occur?

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

    Which gender is more commonly affected by Warthin tumors?

    <p>Males</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</p> Signup and view all the answers

    What is the prognosis for patients with metastasizing pleomorphic adenoma?

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

    Where is Warthin tumor most commonly located?

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

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

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

    Which histological feature is NOT characteristic of Warthin tumor?

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

    What is the typical prognosis for Warthin tumor?

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

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

    <p>Women</p> Signup and view all the answers

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

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

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

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

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