Neoplasia Flashcards

1
Q

Formation of abundant collagenous stroma

A

Desmoplasia

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2
Q

Benign tumor like condition but disorganized and indigenous tissue

A

Hamartoma

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3
Q

Tumor like condition that is cytologically and architecturally normal

Ectopic origin

A

Choristoma

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4
Q

Lack of differentiation of cells that is considered the hallmark of malignancy

A

Anaplasia

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5
Q

Full thickness dysplasia WITHOUT invasion of basement membrane

A

Dysplasia

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6
Q

True or False:

All metaplastic epithelium is dysplastic

A

False

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7
Q

Primary route of metastasis for carcinomas

A

Lymphatic

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8
Q

Primary route of metastasis for sarcomas

A

Hematogenous

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9
Q

Most common incidence of cancer for children

A

ALL

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10
Q

Most common incidence of cancer for women

A

Breast

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11
Q

Most common incidence of cancer for males

A

Prostate

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12
Q

Most common cause of death of cancer for women and men

A

Lung

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13
Q

Normal cellular genes whose products promote cell proliferation

A

Proto-oncogenes

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14
Q

Mutated or overexpressed versions of proto-oncogenes that function autonomously

A

Oncogenes

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15
Q

Most common type of abnormality involving proto-oncogenes in human tumors

A

RAS mutation

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16
Q

Another fundamental hallmark of carcinogenesis, these apply breaks to cell proliferation

A

Tumor suppressor genes

17
Q

Tumor suppressor gene that is the governor of the cell cycle

18
Q

Tumor suppressor gene that is called the guardian of the genome

19
Q

Rb gene binds to E2F and render cells impossible to pass this cell cycle checkpoint

20
Q

Central monitor of stress in the cell, activated by anoxia, inappropriate signaling by mutated oncoproteins or by DNA damage

21
Q

This syndrome is caused by inactivation of p53 that predisposes a person to many cancers

A

Li-Fraumeni syndrome

22
Q

Aerobic glycolysis unique to cancer cells that provide carbon moieties necessary for biosynthesis and growth of cancer cells

A

Warburg metabolism

23
Q

Overexpressionof BCL2 apoprotic protein that induces proliferation of germinal center B cells without apoptosis

24
Q

Stimulates synthesis of VEGF for angiogenesis

A

RAS
MYC
MAPK

25
Responsible for cell to cell adhesion Loss of function responsible for invasive lobular breaat cancer and diffuse type gastric CA
E-Cadherin
26
Released from immune cells and primary suspect for cancer cachexia
TNF- a
27
Most common vascular tumor of infancy
Hemangioma
28
Most common teratoma of childhood
Sacrococcygeal teratoma
29
Top 3 malignancies in children
Leukemias Neuroblastoma Wilms tumor
30
Most common extracranial solid tumor of childhood
Neuroblastoma
31
Most common site of neuroblastoma
Adrenal medulla
32
Tumor cells in neuroblastoma that are around a central space filled with neutrophils
Homer-Wright pseudorosettes
33
Extracranial solid tumor in children Abdominal mass that crosses the midline Fever, weight loss, produces catecholamines, blueberry muffin baby Homer Wright rosettes
Neuroblastoma
34
Molecular event in neuroblastoma with the most profound impact on prognosis
MYCN amplification
35
Most common primary renal tumor of childhood
Wilms tumor
36
``` Unilateral mass Hematuria Hypertension Peak:2-5 years Classic triphasic tumor ```
Wilms tumor