Clasp Flashcards

1
Q

What cancers can obesity contribute to ?

A

Endometrial
Stomach
Oesophageal
Colorectal

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2
Q

What cancers can an increased salt intake cause?

A

Gastric cancer

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3
Q

What types of cancer can eating red meat cause

A

Bowel

Stomach

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4
Q

What are some of the factors that can influence onset of endometrial cancer

A

Age of first pregnancy
Lower weight in later life
Post weaning breast re-modelling
Breast feeding

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5
Q

What cancers can eating high portions of fruit and veg prevent?

A

Lung cancer

Bowel cancer

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6
Q

What vitamin can decrease chances of lung cancer? What is the caviate?

A

Vitamin A; carotenoid intake decreases lung cancer

Good at a specific range, high doses can promote cancer

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7
Q

What can an increase in milk, cheese and yogurt reduce your risk of?

A

Colorectal cancer

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8
Q

What is an increased intake of alcohol associated with? What cancers?

A
Oesophageal 
Gastric 
Oral 
Breast
Liver
Bowel
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9
Q

What chemical in coffee and toast is a potential carcinogen?

A

Acrylamide

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10
Q

Epithelium3D.com

A

Use for histology

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11
Q

Man presents with an epithelial malignancy, this would be known as a what?

A

Carcinoma

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12
Q

What common cancers do children get?

A

Blood, brain and bone

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13
Q

Where does a metastasis in the testicles go? What nodes?

A

Para-aortic nodes

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14
Q

Where does metastasis from the lung go?

A

Bone, brain, adrenal and liver

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15
Q

Man presents with a rhabdomyoma, what does he have?

A

Benign tumour of the skeletal muscle

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16
Q

Man presents with a liposarcoma, what does he have?

A

A malignancy of fat

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17
Q

Man presents with an osteosarcoma. What does he have?

A

Bone metastasis

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18
Q

Man presents with chondrosarcoma, what does he have?

A

Metastasis of the cartilage

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19
Q

What is ewings sarcoma

A

Cancer found in bone or soft tissue, comonly in pelvis, femur, humerus, ribs and clavicle

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20
Q

Man presents with a spindle cell appearance in a histology slide of the smooth muscle. Diagnosis?

A

Leiosarcoma

Malignancy of the smooth muscle

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21
Q

Man presents with night sweats, weight loss and lymph nodes inflammed. Diagnosis

22
Q

What is a melanoma?

A

A malignancy of the melanocytes in the skin

23
Q

What is a glioma?

A

Brain tumour

24
Q

Brain tumours can metastasis to other areas, true or false

A

Largely false

Maybe metastatsis down spinal cord
MAINLY if tumours in brain more likely metastasis from other area

25
What is prostatism?
Due to prostate being too big with symptoms of urinary hesitation, post micturition dribbling, difficulty in voiding
26
What is PSA?
A biochemical marker for benign prostatic hyperplasia
27
What are the four parameters to determine how good a test is?
Sensitivity (no. People with disease who are tested +) Specificity (no. People without disease tested -) Positive predicted value/ negative predicted value
28
What is AFP a tumour marker for?
Germ cell tumours
29
What does a raised ALK phosphate suggest (ALP)?
``` Cholestatic liver disease Bone issues (as osteoblasts produce ALP when making bone) Small intestinal lymphomas ```
30
How can you classify a pleural effusion as an exudate?
By ratio of pleural fluid proteins: serum proteins being greater than 0.5 LDH greater than 2/3 upper limit Ratio of fluid LDH: serum LDH greater than 0.6
31
What is the function of the parathyroid glands (PTH)?
Control serum levels of calcium (important as high calcium can prevent sodium reabsorption causing excretion of sodium and water= dehydration)
32
What is radical treatment in context of oncology
Something with curative intent, to eradicate a tumour often with many treatment side effects.
33
What is an adjuvant? In context of oncology
Something after surgery, aiming to reduce risk of recurrence e.g chemotherapy
34
What is a neo-adjuvant? In context of oncology
Something treatment before surgery, to shrink a tumour before removal
35
What is progression free survival
Time living with cancer that its not getting worse. Controlled with treatment.
36
What is local control ? In context of oncology
Time without recurrence or progression at a specific tumour site
37
What is brachytherapy ?
Implantation of radioactive source into a patient to treat cancer
38
What are some of the side effects of chemotherapy ?
Alopecia, Mucocitis (mouth ulcers) Renal/ liver impairment
39
What are some of the side effects of radiotherapy ?
Red skin Fatigue Diarrhoea/ dysphagia
40
What is function of the drug herceptin (trazuzumab)
To block the growth receptors on cancer cells
41
What types of cancers respond best to radiotherapy?
Squamous cancers better treated with radiotherapy
42
What is one of the least tolerable tissues to radiotherapy?
Ovaries; 10- grays can result in permanent damage
43
What are some common mechanisms for DNA damage?
DNA strand breaks UV or chemical crosslinking e.g xeroderma pigmentosa Mismatched base
44
What ket characteristic enables cancer cells to evolve?
Genomic instability.
45
What is the significance of the MLH1 protein?
It is invovled in mismatch repair of DNA
46
Where do pulmonary metastasis usually present in the lung fields?
Usually basal as that is where the vasculature is
47
What hormone production is related with small cell ung cancer
ADH
48
What hormone production is related with squamous cell carcinoma
PTHrP
49
What are some common viruses that cause cancer
HPV, EBV, polyomavirus, HHV-8
50
What is plummer vinson syndrome?
Associated with oesophageal squamous cancer Presents with dysphagia, anaemia and oesophageal webs