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Flashcards in Chapter 38 Quiz Deck (15)
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1

the disease that is occasionally treated with total skin irradiation with electrons

mycosis fungoides

2

the layer of the epidermis that contains cells that are most sensitive to radiation is the

stratum basale

3

the layers of the skin starting with the most superficial to the deepest are:

epidermis
basement membrane
dermis
subcutaneous layer

4

melanocytes and merkel cells are found in the _____ layer of the skin stratum

basal

5

treatment of choice for most melanoma skin cancers

surgery

6

the technique in whihc the tumor is removed and examined one layer at a time

mohs surgery

7

tanning of the skin in the treated area after a course of radation therapy is caused by

stimulation of the melanocytes

8

when shielding the eye during radiation, what can be used to minimized backscatter

a coating of wax to cover the outer surface of the shield

wax has s low atomic number

9

two skin cancers with the best prognosis

basal cell carcinoma
squamous cell carcinoma

10

what is true regarding melanomas

tend to be asymmetric in shape
tending to have notched, uneven borders
tend to contain different shades of black, brown, and tan
most have a diamer > 6 mm

11

which type of rays is thought ot penetrate deeper into the layers of the skin

UVA

12

what is true regarding melanomas

- tend to develop in the basal layer
- tumors located on the extremeities have a better prognosis than tumors on the head/neck
- prognosis worse for older patients
- thicker tumors yeild a porrer prognosis

13

which skin cancer is the most radioresistent

melanoma

14

which type of skin cancer has the highest mortality rate

merkell cell carcinoma

15

which two skin cancers are most common

squamous cell carcinoma
basal cell carcinoma