74. Metastasis

Question 1

Metastasis

Answer 1

Cells coming from the primary tumour will reach other organs in the body

Question 2

Classification of metastasis

Answer 2

▪ Local/paratumoral – next to the tumour, in the original tissue
▪ Regional – in sentinel lymph node(s)
▪ Distant – in other, distant organs

Question 3

Routes of metastasis

Answer 3

Hematogenous
Lymphogenous
Lymphohematogenous
Intracanalicular = Implantation/inoculation Diaplacentar

Question 4

Hematogenous route is characteristic of which tumor

Answer 4

sarcomas

Question 5

Vena cava type metastasis

Answer 5

right side of heart, then lungs

Question 6

Vena portae metastasis

Answer 6

into liver’s capillary system

Question 7

Vena pulmonalis type metastasis

Answer 7

– primary lung tumour to left side of heart, then to large circulation

Question 8

Vena hepatica type metastasis

Answer 8

– primary liver tumour to caudal caval vein, then to lungs

Question 9

Paravertebral type metastasis

Answer 9

– retrograde, through plexus venosus paravertebralis to vertebral venous plexus (to vertebrae, skull, limbs)

Question 10

Lymphogenous metastasis characteristic of which tumor?

Answer 10

carcinoma

Question 11

Implantation metastasis

Answer 11

Tumours can burst into serosal cavities and cells can implant on serosal layers

Question 12

Intracanalicular

Answer 12

nerve tissue tumours can reach liquor (CSF), they can give intracranial, intraspinal metastases is