Week 7 Benign Tumors Flashcards
literally means “new growth,” refers to abnormal growth
neoplasia
abnormal mass of tissue that exhibits an uncoordinated and excessive growth, does not respond to normal cell controls, and acts as a parasite that competes with normal cell growth
tumor
study of neoplasms
oncology
non-cancerous
benign
cancerous
malignant
all neoplasms are composed of two portions: ____ and ____
transformed tumor cells
supporting connective tissue
tumors can arise from many kinds of tissue (T/F)
true
tumors have a ____ in their connective tissue
blood supply
____ tumors generally remain localized, usually do not recur after surgical removal, do not cause extensive tissue damage or whole body damage, and resemble surrounding tissues
benign
Names of benign tumors usually end with this suffix
-oma
slow-growing benign neoplasms of epithelial origin which typically originate from the pituitary gland
adenomas
wart-like tumors caused by HPV which can cause abnormal tissue changes on the feet, hands, vocal cords, face, and genitals
papillomas
precancerous tumors found on the lining of the intestinal tract, trachea, esophagus, stomach, small intestine, and colon; often require removal
polyps
benign tumors which originate in or consist of bone tissue, found mostly on the bones of the face and skull but can develop anywhere
osteoma
osteomas usually show symptoms which cause them to require treatment (T/F)
false (usually do not have symptoms and usually do not require treatment)
rare benign tumor that tends to arise at the base of the skull near the pituitary gland which is slow-growing and may be asymptomatic for a long time
chondroma
benign tumor composed of fat cells and can occur anywhere in fat tissue; may be associated with nerve paralysis, bone deformity, and carpal tunnel
lipoma
benign tumor composed of fibrous tissue; may ossify and become firm and gritty
fibroma
tumor which consists of vessels
angioma
benign tumor of blood vessels
hemangioma
benign tumor of lymph vessels
lymphangioma
benign tumor which is the result of excessive growth of muscle elements within the muscular walls of the heart; commonly associated with tuberous sclerosis (a genetic disease that can cause death, seizures, and mental disability)
rhabdomyoma
benign tumor which arises from smooth muscle
leiomyoma
benign tumor of nervous tissue
neuroma