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Neuroradiology > Heak & Neck > Flashcards

Heak & Neck Flashcards

1
Q

Which space in the neck mostly contains fat and is the space used to determine the originating space for surrounding pathologies?

A

Parapharyngeal space

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2
Q

What is the M/C benign salivary gland tumor in adults?

A

Pleomorphic adenoma (aka. benign mixed tumor)

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3
Q

What is the M/C location for squamous cell carcinoma in the neck?

A

nasopharynx

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4
Q

What is the M/C pathology in the masticator space?

A

Infection

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5
Q

Masticator space masses all have a risk of spreading, how?

A

Perineural tumor spread along the mandibular division of the CNV into the middle cranial fossa (through foramen ovale).

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6
Q

What is the M/C benign tumor of the masticator space?

A

Nerve sheath tumor (neurofibroma or schwannoma)

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7
Q

What is the M/C malignant tumor of the mandible?

A

Mets&raquo_space;> primary tumor

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8
Q

What the M/C primary tumor to met to the mandible?

A

Adenocarcinoma from breast

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9
Q

What is the M/C type of TMJ meniscal dislocation?

A

Anterior dislocation

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10
Q

What is the rule of 80s with parotid gland tumors?

A

80% benign
80% pleomorphic adenomas
80% superficial lobe
80% remain benign even if untreated

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11
Q

What is the 2nd M/C benign tumor of parotid gland?

A

Warthin’s tumor

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12
Q

What is the M/C salivary gland tumor in children?

A

Hemangioma

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13
Q

What should you be concerned about when there is a parotid mass & CNVII paralysis?

A

Malignancy

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14
Q

What is the M/C malignant lesion of the parotid gland?

A

Mucoepidermoid carcinoma

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15
Q

What is the M/C benign condition to affect the salivary glands?

A

Calculous disease

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16
Q

What are the contents of the carotid space?

A
  • Carotid artery
  • Internal jugular vein
  • CN 9-12
  • Lymph nodes
17
Q

What are the 2 M/C lesions of the carotid space?

A

i) Schwannoma

ii) Glomus tumor (@ carotid bulb)

18
Q

What is the 3rd M/C lesion of the carotid space?

A

Lymphadenopathy (via squamous cell carcinoma)

19
Q

What is the M/C retropharyngeal malignancy?

A

Lymphadenopathy (from nasopharyngeal or oropharyngeal abnormalities)

20
Q

What is the M/C odontogenic tumor of the mandible? What is the 2nd M/C?

A 
1st = odontoma
2nd = ameloblastoma
21
Q

What is the M/C malignant tumor of the oral cavity (and which anatomy does it occur in)?
What is the M/C benign tumor of the oral cavity?

A 
Malignant = squamous cell carcinoma (90% tongue)
Benign = hemangioma
22
Q

What are the associated findings seen with Gorlin’s syndrome?

A

a. Proliferative falcine calcificaiton
b. Multiple basal cell carcinomas of skin
c. Scoliosis
d. Ribbon-shaped ribs
e. CNS tumors
f. Keratocysts of mandible
g. Agenesis of corpus callosum

23
Q

What does SAPHO stand for?

A 
S = synovitis
A = acne
P = palmoplantar pustulosis
H = hyperostosis
O = osteitis
24
Q

What is the M/C location for fx of the mandible?

A

Body

25
Q

What is the 1st & 2nd M/C mandibular cyst?

A 
1st = Periapical/radicular cyst
2nd = Dentigerous cyst
26
Q

What is the M/C congenital neck cyst?

A

Thyroglossal duct cyst (70%)

27
Q

What are some cystic lesions in the neck?

A
  • Thyroglossal duct cyst (midline)
  • Branchial cleft cyst (parasagittal)
  • cystic hygroma (painless, neonate)
  • parathyroid/thyroid cyst
  • thymic cyst
28
Q

What is the M/C congenital lesion of the orbit?

A

Dermoids

29
Q

What is the M/C primary malignant orbital tumor of childhood? What is the 2nd?

A 
1st = Retinoblastoma (intraocular)
2nd = Orbital rhabdomyosarcoma
30
Q

What is the M/C benign orbital neoplasm?

A

Cavernous hemangioma

31
Q

What is the M/C/C of unilateral/bilateral proptosis in adults?

A

Grave’s disease (hyperthyroidism)

32
Q

What is the M/C/C of an orbital mass lesion in adult?

A

Orbit pseudotumor (enlargement of extraocular mm; sclera thickening)

33
Q

What is the M/C malignant tumor of the external auditory canal?

A

Squamous cell carcinoma

Neuroradiology (7 decks)

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