18.Salivary_Gland_Tumors_Tests Flashcards
(12 cards)
A 50-year-old presents with a slow-growing, painless firm mass in the superficial lobe of the parotid gland.
Which of the following diagnoses best fits this presentation?
A. Pleomorphic Adenoma
B. Basal Cell Adenoma
C. Canalicular Adenoma
D. Warthin’s Tumor
A - Pleomorphic Adenoma: benign mixed parotid tumor
A patient has a well-circumscribed salivary gland tumor composed of uniform basaloid cells without chondromyxoid stroma.
Which of the following diagnoses best fits this presentation?
A. Canalicular Adenoma
B. Basal Cell Adenoma
C. Warthin’s Tumor
D. Adenocarcinoma
B - Basal Cell Adenoma: monomorphic salivary gland adenoma
A small, painless nodule on the upper lip shows canal-like cords of epithelial cells on histology.
Which of the following diagnoses best fits this presentation?
A. Warthin’s Tumor
B. Adenocarcinoma
C. Canalicular Adenoma
D. Adenoid Cystic Carcinoma
C - Canalicular Adenoma: benign canal-like small gland tumor
A 65-year-old man, smoker, has a cystic parotid mass with papillary projections and lymphoid stroma.
Which of the following diagnoses best fits this presentation?
A. Adenocarcinoma
B. Adenoid Cystic Carcinoma
C. Mucoepidermoid Carcinoma
D. Warthin’s Tumor
D - Warthin’s Tumor: papillary cystadenoma lymphomatosum
An adult patient has a rapidly enlarging painful parotid mass with facial nerve weakness.
Which of the following diagnoses best fits this presentation?
A. Adenocarcinoma
B. Adenoid Cystic Carcinoma
C. Mucoepidermoid Carcinoma
D. Acinic Cell Carcinoma
A - Adenocarcinoma: malignant salivary gland epithelium
A patient has a firm palate mass; biopsy shows cribriform pattern and perineural invasion.
Which of the following diagnoses best fits this presentation?
A. Mucoepidermoid Carcinoma
B. Adenoid Cystic Carcinoma
C. Acinic Cell Carcinoma
D. Carcinoma ex Pleomorphic Adenoma
B - Adenoid Cystic Carcinoma: cribriform tumor with perineural invasion
A swelling in the parotid region contains both mucous and epidermoid cells histologically.
Which of the following diagnoses best fits this presentation?
A. Acinic Cell Carcinoma
B. Carcinoma ex Pleomorphic Adenoma
C. Mucoepidermoid Carcinoma
D. Carcinosarcoma
C - Mucoepidermoid Carcinoma: mixed mucous and epidermoid cells
A parotid lesion biopsy reveals cells with zymogen granules resembling acinar cells.
Which of the following diagnoses best fits this presentation?
A. Carcinoma ex Pleomorphic Adenoma
B. Carcinosarcoma
C. Metastasizing Mixed Tumor
D. Acinic Cell Carcinoma
D - Acinic Cell Carcinoma: tumor of acinar cell origin
A long-standing pleomorphic adenoma shows areas of cellular atypia and tissue invasion.
Which of the following diagnoses best fits this presentation?
A. Carcinoma ex Pleomorphic Adenoma
B. Carcinosarcoma
C. Metastasizing Mixed Tumor
D. Polymorphous Low-Grade Adenocarcinoma
A - Carcinoma ex Pleomorphic Adenoma: malignant transformation of PA
A parotid tumor exhibits both malignant epithelial elements and malignant stromal components.
Which of the following diagnoses best fits this presentation?
A. Metastasizing Mixed Tumor
B. Carcinosarcoma
C. Polymorphous Low-Grade Adenocarcinoma
D. Pleomorphic Adenoma
B - Carcinosarcoma: mixed malignant epithelial and stromal tumor
A pleomorphic adenoma metastasizes to cervical lymph nodes despite benign histology.
Which of the following diagnoses best fits this presentation?
A. Polymorphous Low-Grade Adenocarcinoma
B. Pleomorphic Adenoma
C. Metastasizing Mixed Tumor
D. Basal Cell Adenoma
C - Metastasizing Mixed Tumor: benign-appearing PA with metastases
A palate tumor shows uniform cells with infiltrative growth and diverse architectural patterns.
Which of the following diagnoses best fits this presentation?
A. Pleomorphic Adenoma
B. Basal Cell Adenoma
C. Canalicular Adenoma
D. Polymorphous Low-Grade Adenocarcinoma
D - Polymorphous Low-Grade Adenocarcinoma: low-grade salivary adenocarcinoma
