Neoplasia — Flashcards

Flashcard 981: Abnormal expression of miRNAs contributes to certain _____ (e.g. by silencing an mRNA from a tumor suppressor gene)

Answer: malignancies

Flashcard 982: Giant cell tumor is associated with a "_____" appearance on X-ray

Answer: soap bubble

Flashcard 983: What cell type is characteristic of a liposarcoma?_____

Answer: Lipoblast

Flashcard 984: What is the most common benign soft tissue tumor in adults?_____

Answer: Lipoma

Flashcard 985: Osteoblastoma is a benign tumor of osteoblasts, typically _____ 2 cm in size.

Answer: > (Greater than) 2 cm

Extra: Osteoid osteoma is a similar benign tumor of osteoblasts but is characteristically < 2 cm in size and presents with pain that is relieved by aspirin. Osteoblastoma is > 2 cm and the pain is typically not relieved by aspirin.

Flashcard 986: EBV can result in _____ carcinoma, especially in Asian and African males

Answer: nasopharyngeal

Flashcard 987: Osteosarcoma is associated with _____ exposure

Answer: radiation

Flashcard 988: Polycythemia vera is a form of _____ polycythemia (primary or secondary)

Answer: primary

Flashcard 989: Imaging of osteosarcoma may reveal elevation of periosteum, which is known as _____

Answer: Codman triangle

Flashcard 990: What is the most common type of breast cancer? _____

Answer: Invasive ductal carcinoma (~75% of all breast cancers)