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29 Cards in this Set

  • Front
  • Back
How is wound healing different from the development of a neoplasm?
Wound healing involves tightly controlled growth. Neoplasm is uncontrolled proliferation that outlasts the initial stimulus.
Literal definition of tumor.
Swelling.
What are the two types of neoplasm?
Benign - localized tumor. Malignant - invasive tumor that can metastasize.
What are the hallmark features of a malignant neoplasm?
Cells that can invade and metastasize.
The “-oma” ending USUALLY indicates a __ tumor.
Benign.
Name two tumors that end in “-oma” but are malignant.
Sarcoma. Carcinoma.
There is no such thing as __ cancer.
Benign.
What biochemical changes can make a tumor firm and immovable upon palpation?
Increases cytokines, which support the tumor.
Sarcoma = ?
Mesenchymal-derived tumor.
Carcinoma = ?
Epithelium-derived tumor.
Neoplasm = ?
New growth that shows uncontrolled proliferation.
Name three “-omas” that are NOT neoplastic.
Harmatoma - disorganized mature tissue. Choristoma - well-organized, displaced tissue. Granuloma - chronically inflamed tissue. Hematoma - capillary collection.
These tumors sound benign but are malignant.
Lymphoma, myeloma, seminoma, melanoma, hepatoma, glioma.
Fibroma = ?
CT derived tumor.
Endothelial derived tumor.
Hemangioma, angiosarcoma.
Muscle derived tumor.
Leiomyoma and rhabdomyoma.
Adenocarcinomas resemble __ tissue.
Glandular tissue.
Where are transitional cell carcinomas found?
Found in urinary bladder, ureter, and renal pelvis.
A keratin pearl indicates a __ __ carcinoma.
Squamous cell carcinoma.
Mixed neoplastic tumors consist of __ and __ tissues.
Epithelium and mesenchymal.
Compound tumors consist of ?
More than one neoplastic cell type and derived from more than one germ layer.
__ is a compound tumor that can be malignant or benign.
Teratoma.
__ teratoma is benign but __ and __ teratomas are usually malignant.
Mature teratoma of the ovary - benign. Embryonal teratoma and teratoma of the testis is usually malignant.
Benign neoplasm = ?
Tumor that does not metastasize and is differentiated.
How do benign tumors cause problems?
Secreting a substance, compression of other structures, and some may become malignant.
What are the hallmarks of malignancy?
Invasion and metastases.
Which tumor has cells that more closely resemble the cell of origin?
Benign.
What two organs typically receive the most metastases?
Liver and lungs.
What is the nuclear:cytoplasmic ratio for benign and malignant tumors?
Benign - low N:C. Malignant - high N:C.