40 Questions
What is the most common site for Mucoepidermoid carcinoma?
Parotid gland
Which type of carcinoma is known for local and distant metastasis?
Carcinoma ex-pleomorphic adenoma
What is the characteristic of Mucoepidermoid carcinoma in terms of its composition?
Composed of mucinous, squamoid, and intermediate cells
What is the difference between low and high grade Mucoepidermoid carcinoma?
Cellular atypia and necrosis are present in high grade, while cyst formation is present in low grade
Which of the following is not a type of carcinoma?
Warthin Tumor
What is the prognosis of Intracapsular carcinoma?
Good prognosis
What is the characteristic of Mucoepidermoid carcinoma in terms of its macroscopic features?
May be soft or firm, and circumscribed or infiltrative
What is the primary site of Primary intra-osseous (central) Mucoepidermoid carcinoma?
Wall of a dentigerous cyst
What is the most common benign neoplasm of the salivary glands in both children and adults?
Pleomorphic Adenoma
What is the most common site for pleomorphic adenoma, followed by the palate and submandibular gland?
Parotid gland
Which of the following is a malignant neoplasm that arises from a pleomorphic adenoma?
Carcinoma Ex-pleomorphic Adenoma
What is the characteristic of a benign neoplasm in terms of growth rate?
Slowly growing
What is the characteristic of a malignant neoplasm in terms of bone invasion?
Bone invasion
Which of the following is a type of malignant neoplasm of the salivary glands?
Mucoepidermoid Carcinoma
What is the name of the tumor that arises from a combination of epithelial and myoepithelial components?
Pleomorphic Adenoma
Which of the following is NOT a type of non-epithelial neoplasm of the salivary glands?
Pleomorphic Adenoma
Which histopathologic feature differentiates pleomorphic adenoma from other salivary gland tumors?
Presence of spindle myoepithelial cells
Why is parotidectomy recommended over enucleation for treating pleomorphic adenoma?
To decrease the likelihood of recurrence
Which is NOT a clinical feature of malignant transformation in pleomorphic adenoma?
Painless mass
What is a feature often seen in the epithelial element of pleomorphic adenoma?
Arrangement in solid sheets or strands
Which of the following best describes the tumor tissue in pleomorphic adenoma?
Surrounded by a capsule of varying thickness and completeness
What type of metaplasia can occur in the myoepithelial cells of pleomorphic adenoma?
Squamous metaplasia with keratin production
Which of the following best characterizes the macroscopic features of pleomorphic adenoma?
Usually single, firm, and movable
What condition might accompany the presence of pleomorphic adenoma?
Metachronous or synchronous tumor occurrence
What condition increases the risk of malignant transformation in salivary gland tumors?
Older patient age
Which site is the most common for distant metastasis of metastasizing pleomorphic adenoma?
Bone
What histological feature is NOT a characteristic of a Warthin tumor?
Metaplastic squamous cells
What is a common cause linked to the development of Warthin tumors?
Cigarette smoking
In which decades of life do Warthin tumors typically occur?
Sixth and seventh decades
Which gender is more commonly affected by Warthin tumors?
Males
What can cause the lymphoid tissue to come into contact with salivary gland tissue in Warthin tumors?
Late encapsulation of the parotid gland
What is the prognosis for patients with metastasizing pleomorphic adenoma?
Good with few complications
Where is Warthin tumor most commonly located?
Inferior pole of the parotid gland
What type of cells line the cystic spaces in Warthin tumor?
Oncocytic epithelial cells
Which histological feature is NOT characteristic of Warthin tumor?
Neuroendocrine cells
What is the typical prognosis for Warthin tumor?
Low rate of local recurrence
Which gender is more commonly affected by Carcinoma ex-pleomorphic adenoma?
Women
Which feature is commonly associated with Carcinoma ex-pleomorphic adenoma?
Rapid growth of a painful mass
Which symptom is indicative of advanced Carcinoma ex-pleomorphic adenoma?
Facial paralysis
What should NOT be considered a standalone diagnosis in the management of patients with Carcinoma ex-pleomorphic adenoma?
Pleomorphic adenoma
This quiz covers the clinical and histopathological features of pleomorphic adenoma, including its macroscopic and microscopic characteristics, as well as signs of malignant transformation. It's essential for medical students and healthcare professionals to understand the diagnosis and management of this type of tumor.
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