6. H&N: Mets & Pathology

How do H&N cancers spread

Mostly thru:

1. direct local invasion

2. Lymphatics

Rarely thru:

3. Hematologic route

What organ(s) does H&N cancer mets to?

Lungs

What H&N cancers are most likely to mets?

1. Nasopharynx

2. Hypopharynx

3. Parotid

Nearly ___ of the lymph nodes in the body are found in the H&N region

1/3

____ in an adult that persists for more than ____ should be regarded as suspicious and should be evaluated for malignancy 

enlarged cervical node

1 week

term. Jugulodigastric group

def. The group of neck nodes below the mastoid tip

Port sizes for most H&N cancers are (Small/ Large). Reasoning?

Large

Due to: Risk of nodal spread

What is a con of having a large port size for H&N cancers to tx lymphatics?

High morbidity 

cricle back to

Most H&N cancers are of the following pathology

Squamous cell carcinoma

Which pathology is more likely to occur in the salivary glands?

Adenocarcinomas are most likely to occur in the___

Which pathology is more likely to occur in places of abundant lymphoid tissue (nasopharynx, BOT, Tonsils)?

Lymphoepitheliomas are most likely to occur in____