Neoplasia Flashcards
The cells in the neoplasm are derived from a single […]
The cells in the neoplasm are derived from a single cell
Neoplastic cells are transformed cells that result in heritable genetic changes that are passed down to their […]
Neoplastic cells are transformed cells that result in heritable genetic changes that are passed down to their progeny
Benign neoplasms are typically innocent as they are […] meaning they are similar to their normal ancestor cell
Benign neoplasms are typically innocent as they are well-differentiated meaning they are similar to their normal ancestor cell
Malignant neoplasms are the same as […] and may be “well-differentiated” but typically […] is present
Malignant neoplasms are the same as cancer and may be “well-differentiated” but typically anaplasia is present
[…], or loss of normal cellular features, is a hallmark of malignancy
Anaplasia, or loss of normal cellular features, is a hallmark of malignancy
[…] tumors remain localized, can be surgically removed, and rarely cause serious disease
Benign tumors remain localized, can be surgically removed, and rarely cause serious disease
[…] tumors destory & invade local tissues and can metastasize
Malignant tumors destory & invade local tissues and can metastasize
Expansive mitotic figures is a feature of […] tumors
Expansive mitotic figures is a feature of malignant tumors
Carcinoma […] means there is dysplasia throughout the entire epithelium
Carcinoma in-situ means there is dysplasia throughout the entire epithelium
Carcinoma in-situ is a non-invasive form of malignancy as the neoplasm has not invaded underlying […]
Carcinoma in-situ is a non-invasive form of malignancy as the neoplasm has not invaded underlying basement membrane
The suffic […] means swelling
The suffic -oma means swelling
The prefix […] is added if the tumor is malignant and of epithelial origin
The prefix carcin- is added if the tumor is malignant and of epithelial origin
The prefix […] is added to a malignant tumor name if of mesenchymal origin
The prefix sarc- is added to a malignant tumor name if of mesenchymal origin
[…] is a benign tumor that originates from totipotent cells which means it maintains a variety of tissues/cells
Teratoma is a benign tumor that originates from totipotent cells which means it maintains a variety of tissues/cells
Adenomas of the pituitary islets can be fatal due to […]
Adenomas of the pituitary islets can be fatal due to hyperinsulinism
Carcinoma of the adrenal cortex can be fatal due to […]
Carcinoma of the adrenal cortex can be fatal due to hyperaldosteronism
A […] is not a tumor but a developmental anomaly that is the same tissue but in increased proportions
A hamartoma is not a tumor but a developmental anomaly that is the same tissue but in increased proportions
A […] is a mass of normal tissue in an abnormal location (e.g., pancreas-like nodule in the small intestine)
A choristoma is a mass of normal tissue in an abnormal location (e.g., pancreas-like nodule in the small intestine)
[…] has highest mortality for stomach cancer
Japan has highest mortality for stomach cancer
[…] has highest mortality for breat cancer
United States has highest mortality for breat cancer
[…] has highest mortality for hepatocellular carcinoma
Africa has highest mortality for hepatocellular carcinoma
[…] has highest mortality for lung and bronchial cancers
Kentucky has highest mortality for lung and bronchial cancers
Ultraviolet radiation causes […] dimers in DNA leading to mutations of protooncogenes and tumor suppressor genes
Ultraviolet radiation causes pyrimidine dimers in DNA leading to mutations of protooncogenes and tumor suppressor genes
[…] is the most carcinogenic ultraviolet light
UVB is the most carcinogenic ultraviolet light
[…] causes double-strand and single-strand breaks in nucleic acids
Ionizing radiation causes double-strand and single-strand breaks in nucleic acids Cells in mitosis or G2 phase are most sensitive
[…] is a natural plant and microbial procarcinogen that is linked to increased rates of hepatocellular carcinoma in Africa
Aflatoxin B1 is a natural plant and microbial procarcinogen that is linked to increased rates of hepatocellular carcinoma in Africa
The principal targets of genetic damage in carcinogenesis are normal […]
The principal targets of genetic damage in carcinogenesis are normal regulatory genes
Growth-promoting protooncogenes are […] genes
Growth-promoting protooncogenes are dominant genes
Growth-inhibiting cancer suppressor genes are […] genes
Growth-inhibiting cancer suppressor genes are recessive genes
hereditary defects in DNA mismatch repair lead to […]
hereditary defects in DNA mismatch repair lead to hereditary non-polyposis colon carcinoma (HNPCC) syndrome
Hereditary defects in nucleotide excision repair lead to […]
Hereditary defects in nucleotide excision repair lead to xeroderma pigmentosum
Defects in the repair of double-strand DNA breaks is associated with both […] and […] genes in breast cancer
Defects in the repair of double-strand DNA breaks is associated with both BRCA1 and BRCA2 genes in breast cancer
RecQ helicase mutations are found in which syndromes?
Bloom’sWerner’s Rothmund-Thomson
Signs of an hereditary cancer syndrome include:
Early age of onsetTumors in 2 or more close relativesMultiple or bilateral tumors
[…] genetic mutation is associated with retinoblastoma
RB genetic mutation is associated with retinoblastoma
[…] gene mutation is associated with Li-Fraumeni syndrome
p53 gene mutation is associated with Li-Fraumeni syndrome
[…] is associated with an inherited predisposition to melanoma
p16INK4A is associated with an inherited predisposition to melanoma
[…] gene mutation is associated with an inherited predisposition to familial adenomatous polyposis/colon cancer
APC gene mutation is associated with an inherited predisposition to familial adenomatous polyposis/colon cancer
[…] are associated with inherited predisposition to neurofibromatosis 1 & 2
NF1 & NF2 are associated with inherited predisposition to neurofibromatosis 1 & 2
[…] are associated with an increased risk of breast and ovarian cancer
BRCA1 & BRCA2 are associated with an increased risk of breast and ovarian cancer
[…] are associated with an increased risk of multiple endocrine neoplasia 1 & 2
MEN1 & RET are associated with an increased risk of multiple endocrine neoplasia 1 & 2
[…] are associated with an increased risk of hereditary non-polyposis colon cancer
MSH2, MLH1, MSH6 are associated with an increased risk of hereditary non-polyposis colon cancer
[…] is associated with an increased risk of nevoid basal cell carcinoma syndrome
PATCH is associated with an increased risk of nevoid basal cell carcinoma syndrome
[…] occur in non-germline tissues and are NOT heritable
Somatic mutations occur in non-germline tissues and are NOT heritable
[…] are heritable mutations that will affect the egg or sperm and, as a result, the offspring
Germline mutations are heritable mutations that will affect the egg or sperm and, as a result, the offspring
Chronic ulcerative colitis can lead to […]
Chronic ulcerative colitis can lead to colorectal carcinoma
[…] gene mutation is involved in the autosomal recessive cancer syndrome, Bloom syndrome
BLM gene mutation is involved in the autosomal recessive cancer syndrome, Bloom syndrome
Ataxia-telangiectasia is associated with the gene […]
Ataxia-telangiectasia is associated with the gene ATM
Most (~90%) of cancers arise from the […]
Most (~90%) of cancers arise from the epithelium
Fibro- means […]
Fibro- means fibroblasts
Myxo- means […]
Myxo- means myxoid tissue
Chondro- means […]
Chondro- means cartilage
Osteo- means […]
Osteo- means osteoblasts
Lipo- means […]
Lipo- means fat
Chordo- means […]
Chordo- means notochord remnants
Leiomyo- means […]
Leiomyo- means smooth muscle
Rhabdomyo- means […]
Rhabdomyo- means striated muscle
Schwanno- means […]
Schwanno- means nerve sheath
Neurilemmo- means […]
Neurilemmo- means nerve sheath
Neurofibro- means […]
Neurofibro- means nerve sheath (endoneurium)
Hemangio- means […]
Hemangio- means blood vessels
Lymphangio- means […]
Lymphangio- means lymphatics
Glomangio- means […]
Glomangio- means glomus
Synovio- means […]
Synovio- means synovium
Mesothelio- means […]
Mesothelio- means mesothelium
Meningio- means […]
Meningio- means arachnoid granulations
Lympho- means […]
Lympho- means lymphocytes
Chorio- means […]
Chorio- means placenta
Pheochromocyto- means […]
Pheochromocyto- means adrenal medulla
[…] may be reversible if they do not involve the entire thickness of epithelium
Dysplastic cells may be reversible if they do not involve the entire thickness of epithelium
What are the steps of carcinogenesis? (Basics)
Normal cell –> carcinogen-induced mutationPrecursor cell w/ stem cell-like propertiesAdditional mutations –> cancer progenitor cellAdditional mutations & subclones –> genetically heterogeneous cancer
[…] is overexpressed in ~80% of squamous cell carcinomas of the lung
ERBB1 is overexpressed in ~80% of squamous cell carcinomas of the lung
[…] is overexpressed in ~30% of breast cancers
HER2 (ERBB2) is overexpressed in ~30% of breast cancers
[…] is an anti-HER2 antibody treatment for HER2+ breast cancer
Herceptin is an anti-HER2 antibody treatment for HER2+ breast cancer
Mutant RAS oncogenes lose their […] activity leading to constitutively activate
Mutant RAS oncogenes lose their GTPase activity leading to constitutively activate
When ABL is translocated from […] to Chromsome 22
When ABL is translocated from Chromosome 9 to Chromsome 22
[…] translocation from chromosome 9 to chromosome 22 results in an oncogene
ABL translocation from chromosome 9 to chromosome 22 results in an oncogene
ABL gene translocation from chromosome 9 to chromsome […] results in an oncogene
ABL gene translocation from chromosome 9 to chromsome 22 results in an oncogene
ABL translocation from chromosome 9 to chromosome 22 results in ABL fusion with […] resulting in an ABL that cannot be inhibited by regulatory proteins and has potent tyrosine kinase activity that activates RAS
ABL translocation from chromosome 9 to chromosome 22 results in ABL fusion with BCR resulting in an ABL that cannot be inhibited by regulatory proteins and has potent tyrosine kinase activity that activates RAS