Oncology

Question 1

Organ specific radiopharmaceuticals for thyroid testing are 99m Tc and 123 / 131 I-NaI (T/F)

Answer 1

TRUE

Question 2

The main indication for scintigraphy of thyroid tissue are benign diseases of the
thyroid gland (T/F)

Answer 2

FALSE

Question 3

Scintigraphy of the adrenal medulla serves to confirm the diagnosis of
pheochromocytoma and other paragangliomas in patients with biochemically
proven disease (T/F)

Answer 3

TRUE

Question 4

Positron emission tomography is a modern diagnostic and research visualization
technique (T/F)

Answer 4

TRUE

Question 5

PET is a non-invasive technique that examines biochemical, metabolic and
receptor processes (T/F)

Answer 5

TRUE

Question 6

Positron emitters emit gamma radiation (T/F)

Answer 6

FALSE

Question 7

Of the positron emitters, 11 C is most commonly used in clinical practice (T/F)

Answer 7

FALSE

Question 8

Positron emitters are short-lived radionuclides (T/F)

Answer 8

TRUE

Question 9

The most common way to obtain positron emitters is in a nuclear reactor (T/F)

Answer 9

FALSE

Question 10

Positron emitters are incorporated into numerous biomolecules (T/F)

Answer 10

TRUE

Question 11

The half-life of 18 F is 120 minutes (T/F)

Answer 11

TRUE

Question 12

Positron emitters can be obtained in the generator (T/F)

Answer 12

TRUE

Question 13

Tumor cells have elevated intracellular concentrations of hexokinase, which
phosphorylate glucose and 18 F-FDG thereby trapping them within the cell (T/F)

Answer 13

TRUE

Question 14

18 F-FDG-mechanism of accumulation in tumors:
a) Elevated levels of energy-dependent transmembrane transport protein (GLUT)
b) Tumor cells have elevated intracellular hexokinase concentration
c) Increased perfusion in tumors
d) All of the above (a, b, c)

Answer 14

D

Question 15

18 F-FDG accumulates:
a) Only in malignant tumors
b) In malignant tumors and in infectious / inflammatory regions
c) Only in benign tumors
d) All of the above (a, b, c)

Answer 15

B

Question 16

18 F-FDG is excreted:
a) Through the gastrointestinal tract
b) Through tubular secretion of the kidney
c) Free filtration into the glomerulus of the kidney
d) Glomerular filtration through the kidneys, of which one part is reabsorbed

Answer 16

D

Question 17

PET is used in:
a) Oncology
b) Neurology
c) Cardiology
d) All of the above (a, b, c)

Answer 17

D

Question 18

18 F-sodium fluoride is used:
a) For imaging liver tumors
b) For PET diagnostics of the skeletal system
c) For the treatment of bone tumors

d) For PET brain diagnostics

Answer 18

B

Question 19

The positron emitters obtained in the generator are
a) 13 N
b) 11 C
c) 13 N
d) 82 Rb and 68 Ga

Answer 19

IDK FAM

Question 20

Positron emission tomography is based on the physical principle:
a) Scintillations
b) Ionization
c) Annihilation
d) All of the above (a, b, c)

Answer 20

C

Question 21

Indication for 18 F-FDG PET in breast carcinoma is:
a) detection od primary tumor
b) detection of lymh nodes involvements
c) detection of distant metastases after the treatment
d) Under a) and c)

Answer 21

C

Question 22

Indication for 18 F-FDG PET in colorectal cancer:
a) rising value of CEA after the treatment
b) diagnosis of recurren disease
c) diagnosis tumor primary
d) Under a) and b)

Answer 22

A

Question 23

Indication for 18 F-FDG PET in thyrpod carcinoma is:

a) negative posttreatment whole body scan
b) risig Tg values
c) evaluationa of disease progresion after the surgery
d) Under a) and b)

Answer 23

D

Question 24

Sentinel lymph nodes labeling is useful for:
a) M staging
b) N taging
c) T satiging
d) Under a and c)

Answer 24

B

Question 25

Sentinel lymph nodes labeling allows
a) radical surgery of lymph nodes
b) minimally invasive surgery of lymph nodes
c) better surgery of primary tumor
d) Under a) and b)

Answer 25

B