Neoplasia Flashcards
What is a neoplasm?
Tumor mass
What is neoplasia?
Abnormal tissue mass with a loss of responsiveness to normal growth controls
What defines a benign lesion?
Relatively innocent; will remain localized and not spread; usually amenable to surgery; resemble parent tissue around it; will not usually penetrate the tissues around it
How do benign tumors cause damage?
Compression of normal tissue
metastasize (n.)
the spread of a neoplasm to a distant size where it will be locally invasive
How do metastases travel?
By the lymphatic system, through blood, and “seeding” within body cavities
Which two organs are the most frequent locations of metastases?
The lungs and the liver
oncology (n.)
the study, diagnosis, and treatment of tumors
What shape (generally) are metastases?
Circular/spherical
What does the suffix “-oma” mean?
Benign tumor
adenoma (n.)
benign tumor arising from glands or demonstrating glandular characteristics
What does the suffix “-carcinoma” mean?
Malignant tumor of epithelial origin
What does the suffix “-sarcoma” imply?
Malignant tumor of the mesenchyme
What does the suffix “-lymphoma” imply?
Solid tumors arising from lymphoid tissue
What type of malignant tumor is most common?
Carcinoma
