Basis of Neoplasia Flashcards
What is a neoplasm?
A neoplasm is an abnormal growth of tissue that arises from uncontrolled cell division.
True or False: All neoplasms are cancerous.
False
Fill in the blank: Neoplasms can be classified as __________ or __________.
benign; malignant
What is the main difference between benign and malignant neoplasms?
Benign neoplasms do not invade surrounding tissues or metastasize, while malignant neoplasms do.
Which type of neoplasm is generally more aggressive?
Malignant neoplasm
What term describes the spread of cancer cells to distant parts of the body?
Metastasis
True or False: Benign neoplasms can cause serious health issues.
True, if they compress vital structures.
What is the term for a neoplasm that arises from epithelial tissue?
Carcinoma
What type of neoplasm arises from connective tissues?
Sarcoma
Fill in the blank: Neoplasms can be classified based on their __________ and __________.
tissue of origin; behavior
What is the significance of grading in neoplasms?
Grading indicates the differentiation of cancer cells and helps predict behavior.
Multiple Choice: Which of the following is NOT a type of benign neoplasm? A) Adenoma B) Lipoma C) Melanoma
C) Melanoma
What is the term for a neoplasm formed from glandular tissue?
Adenoma
True or False: All malignant neoplasms are referred to as cancers.
True
What is a common characteristic of malignant neoplasms?
They have the ability to invade surrounding tissues.
Fill in the blank: The World Health Organization (WHO) classifies neoplasms based on their __________.
histological characteristics
What does the term ‘in situ’ mean in relation to neoplasms?
It refers to a neoplasm that is localized and has not invaded surrounding tissues.
What is the role of staging in cancer classification?
Staging assesses the extent of disease spread and helps guide treatment decisions.
Multiple Choice: Which stage of cancer indicates localized disease? A) Stage I B) Stage II C) Stage III
A) Stage I
What are tumor markers?
Substances often produced by neoplasms that can be used to help diagnose or monitor the disease.
True or False: All tumor markers are specific to cancer.
False
What is the most common method for diagnosing a neoplasm?
Biopsy
Fill in the blank: A neoplasm that is composed of mature fat cells is called a __________.
lipoma
What type of neoplasm is a melanoma?
Malignant neoplasm arising from melanocytes.