Radiology Flashcards
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12
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13
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14
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15
Q
Diagnose
A
Thryoid Mass
16
Q
What are the boundaries of the Posterior Triangle?
A
- Apex: Union of the sternocleidomastoid and the trapezius muscles at the superior nuchal line of the occipital bone
- Anterior: Posterior border of the sternocleidomastoid
- Posterior: Anterior border of the trapezius
- Base: Middle 1/3 of the clavicle
- Roof: Investing layer of the deep cervical fascia
- Floor: Muscle layer covered with Perevertebral fascia of the deep cervical fascia
17
Q
What are the contents of the Posterior Triangle?
Nerves
Vessels
Lymphs
Muscles
A
•Nerves and Plexuses:
–Spinal accessory nerve (Cranial Nerve XI)
–Branches of cervical plexus
–Roots and trunks of brachial plexus
•Vessels:
–Subclavian artery (Third part)
–Transverse cervical artery
–Suprascapular artery
–Terminal part of external jugular vein
•Lymph Nodes:
–Occipital
–Supraclavicular
•Muscles:
–Splenius capitus
–Levator scapulae
–Inferior belly of omohyoid
–Posterior Scalene
–Middle Scalene
–Anterior Scalene
18
Q
Label the 2 structures (blue and red)
A
External Jugular Vein
Subclavian artery
(in posterior triangle)
19
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A
20
Q
A
Parotid Sialolithiasis
21
Q
A
Parotid abscess
22
Q
A
Parotitis
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24
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25
What innervates the submandibular gland?
•Chorda Tympani CNVII – secretomotor via lingual branch V3
26
What is found in the submandibular space?
•Contents:
–Sup. SM gland
–Facial vein and artery
–CNXII
–Anterior belly digastric
27
What are the boundaries of the submandibular space?
* Superior: mylohyoid
* Inferior: platysma, superficial fascia, skin
* Suprahyoid
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* Sialoliths = stones in the ducts or parenchyma of salivary glands
* Most common in submandibular gland
30
SM gland tumours
31
1) Ethmoid sinus
2) Maxillary sinus
3) Nasal cavity
4) Teeth
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Ethmoidal sinus
Maxilalry sinus
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Label
Eustachian Tube
38
39
What is wrong here?
No frontal sinus
