L6: Cervical LNs Dissection

Question 1

Def of Neck Nodal Dissection

Answer 1

Surgery to examine and remove lymph nodes of neck

Question 2

Types of Neck Nodal Dissection

Answer 2

Question 3

Types of Selective Neck Nodal Dissection

Answer 3

Question 4

Indications of Radical Block Dissection

Answer 4

All carcinomas of head & neck except cancer lip.

Question 5

Structures Removed in Radical Block Dissection

Answer 5

Question 6

Structures Retained in Radical Block Dissection

Answer 6

Question 7

Incisions for Radical Block Dissection

Answer 7

Question 8

Goblet Incision

Answer 8

Question 9

Why is Goblet Incision Bad?

Answer 9

It is bad incision due to:

• Sloughing & necrosis which occurs at the center part of the incision (area of least blood supply) - exposure of internal carotid artery → infection & hemorrhage → death.

Question 10

Revise Steps of Radical Block Dissection from notes

Answer 10

..

Question 11

Def of Modified Radical Block Dissection

Answer 11

Excision of all lymph node groups removed by radical neck dissection with preservation of one or more of following structures:
- Spinal accessory nerve.
- Internal jugular vein.
- Sternomastoid muscle

Question 12

Types of Modified Radical Block Dissection

Answer 12

Question 13

Def of Functional Neck Dissection

Answer 13

Excision of all lymph node groups removed by the radical neck dissection with preservation of all of the following structures:

• Spinal accessory nerve.
• Internal jugular vein.
• Sternomastoid muscle

Question 14

Def of Extended radial Neck Dissection

Answer 14

Question 15

Def of Bilateral Block Dissection

Answer 15

2nd side is carried after 4-6 weeks allowing venous collaterals to develop

Question 16

Def of Selective Neck Dissection

Answer 16

• Refers to any type of lymph node removal where there is preservation of one or more lymph node groups removed by radical neck dissection

Question 17

what is SUPRAHYOID BLOCK DISSECTION?

Answer 17

(LEVEL I-II)

Question 18

Structures Removed in SUPRAHYOID BLOCK DISSECTION

Answer 18

Question 19

Indications of SUPRAHYOID BLOCK DISSECTION

Answer 19

Carcinoma of the lower lip

Question 20

Incision in SUPRAHYOID BLOCK DISSECTION

Answer 20

(Visor incision)

• Curved incision from mastoid process of one side to opposite mastoid reaching down to hyoid

Question 21

SUPRAOMOHYOID NECK DISSECTION

Answer 21

(LEVEL I-III)

Question 22

Structures Removed in SUPRAOMOHYOID NECK DISSECTION

Answer 22

Question 23

Indications of SUPRAOMOHYOID NECK DISSECTION

Answer 23

Oral cavity malignancy

Question 24

EXTENDED SUPRAOMOHYOID DISSECTION

Answer 24

(LEVEL I-IV)

Question 25

**LATERAL NECK DISSECTION**

Answer 25

(LEVELS II- IV)

Question 26

Structures Removed in **LATERAL NECK DISSECTION**

Answer 26

LNs in levels II, Ill and IV

Question 27

Indications of **LATERAL NECK DISSECTION**

Answer 27

Cancer larynx

Question 28

**POSTEROLATERAL NECK DISSECTION**

Answer 28

(LEVEL II-V)

Question 29

Structures Removed in **POSTEROLATERAL NECK DISSECTION**

Answer 29

LNs in levels II, III, IV and V

Question 30

Indications of **POSTEROLATERAL NECK DISSECTION**

Answer 30

Cutaneous melanoma of posterior scalp & neck

Question 31

**THE ANTERIOR COMPARTMENT NECK DISSECTION**

Answer 31

(LEVEL VI)

Question 32

Structures Removed in **THE ANTERIOR COMPARTMENT NECK DISSECTION**

Answer 32

LNs from anterior triangle of neck, i.e. level

Question 33

**SUPERIOR MEDIASTINUM DISSECTION**

Answer 33

(LEVEL VII)