Congenital Lesions Of Face And Neck

Question 1

Stomodeum?

Answer 1

Depression between brain and pericardium in an embryo, precursor to mouth and anterior lobe of pituitary gland

Question 2

Nasal placode?

Answer 2

Gives rise to olfactory epithelium

Question 3

When do you see hyomandibular cleft?

Answer 3

6 weeks

Question 4

What happens when medial nasal processes fuse together?

Answer 4

Philtrum of upper lip

Question 5

Basic facial structure includes?

Answer 5

1 x frontonasal
2x na some dial
2x basolateral
2x maxillary
2x mandibular
Maxillary and mandibular 1st pharyngeal arch
Mandibular arch

Question 6

Formation of palate?

Answer 6

Palatal shelf meet, 2 lateral and 1 primary at front

Question 7

Problem with abnormalities in palate due to Eustachian tube connection in pharynx?

Answer 7

Predisposition to ear infections

Question 8

Pharyngeal arches are 4?

Answer 8

Mandibular, hyoid and 3rd and 4th

Question 9

Each arch has?

Answer 9

Mesoderm, cartilage, nerve and an aortic arch artery

Question 10

Mandibular arch nerve?

Answer 10

Trigeminal

Question 11

What develops from 1st arch?

Answer 11

Malleus
Incus
Meckels cartilage and
Sphenomandibular ligament

Question 12

Mandibular arch mesoderm?

Answer 12

Temporalis
Digastric anterior belly
Masseter

Question 13

Hyoid arch supplied by?

Answer 13

Facial

Question 14

What arises from hyoid arch?

Answer 14

Stapes
Styloid process
Stylohyoid ligament
Part body and lesser horn hyoid

Question 15

Hyoid muscles?

Answer 15

Muscles of facial expression 
Digastric posterior belly
Stapedius muscle
Occipitalis
Auricularis

Question 16

Arch 3 nerve?

Answer 16

Glossopharyngeal

Question 17

Arch 4 nerve?

Answer 17

Vagus

Question 18

3rd arch forms?

Answer 18

Part body and greater horn hyoid

Question 19

Arch 4 forms?

Answer 19

Cartilages of the larynx

Question 20

Pharyngeal muscles develop from?

Answer 20

Arch 4

Question 21

Stylopharyngeus develops from?

Answer 21

Arch 3

Question 22

Fistula?

Answer 22

Communication between 2 body parts

Question 23

Sistrunks operation?

Answer 23

Removal of cyst and thyroglossal tract, important to remove hyoid bone body

Question 24

Bronchial fistula occur when…

Answer 24

An opening forms specifically between the skin and throat lining draining mucus out of neck

Question 25

Why is bronchial fistula surgery required?

Answer 25

Recurrent infection, excision of tract completely is needed

Question 26

Ranula?

Answer 26

Cyst that forms in mouth under tongue, filled with saliva due to blockage of salivary gland

Question 27

External angular dermoid?

Answer 27

Congenital swellings occurring at outer corner of eye, outer end of the eyebrow

Question 28

Cystic hygroma?

Answer 28

Fluid filled sac that results from a blockage in lymphatic system. Located in head or neck

Question 29

Heamangioma?

Answer 29

Small blood vessels that form a lump under the skin

Question 30

How to deal with cystic hygromas?

Answer 30

Surgery

Injection of sclerosants- irritates the targeted vessel causing it to swell

Question 31

Bilateral cleft lip more common in?

Answer 31

Males, in Asian populations

Question 32

Rule of 10s for cleft palate management ?

Answer 32

10 weeks old
10gm Hb
10 pound in weight

Question 33

Tongue is made up of?

Answer 33

Lateral lingual swellings, tuberculin impar, and cupula