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Most common 5 Flashcards

LS

1
Q

MC deep space abscesses in children

A

peritonsillar abscess

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2
Q

Most infections that results in PPS abscess arise in?

A

palatine tonsil or pharynx or odontogenic

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3
Q

Statistically, the mc masses in the PPS

A

hyperplastic or metastatic level II LNs

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4
Q

MC primary neoplasms to arise in the PPS

A

those of salivary gland origin (almost all are pleomorphic adenomas)

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5
Q

Site of origin of the 2nd mc benign PPS lesion

A

arise in extraparotid salivary rests in the prestyloid compartment fat (also predominantly pleomorphic adenoma)

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6
Q

Account for most malignancies affecting PPS

A

malignant tumors arising from the pharyngeal mucosal minor salivary glands and NPCA

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7
Q

Most commonly affected in malignant peripheral nerve sheath tumors of the head and neck

A

CNs, large cervical nerves, sympathetic chain, and inferior alveolar nerve

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8
Q

MC form of paragangliomas (in the PPS)

A

glomus vagale tumor - arises from the paraganglionic cells about the nodose ganglion (2nd MC: carotid body tumor; 3rd MC: glomus jugulare)

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9
Q

MC type of paragangliomas

A

carotid body tumors > glomus jugular and glomus vagale

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10
Q

Tumors most often embolized preop

A

glomus jugulare and vagale

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11
Q

MC cellular lesions to involve the PPS

A

NPCA and oropharyngeal ca - adults; rhabdomyosarcomas or lymphomas - children

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12
Q

Mets from distant primary tumors to the PPS com most commonly from?

A

kidney and thyroid gland

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13
Q

Most immediately life-threatening of all the masses in the PPS

A

aneurysm

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14
Q

MC reflex cardiovascular syndromes linked to CN IX

A

carotid sinus syndrome and glossopharyngeal neuralgia-asystole syndrome

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15
Q

MC intracranial neoplasm to extend into the PPS

A

meningioma

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16
Q

Most commonly affected muscle in masticator muscle hypertrophy / MC form of masticator hypertrophy

A

masseter muscles / masseteric hypertrophy

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17
Q

MC abnormality in the sublingual glands

A

ranula (obstructed mucocele)

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18
Q

MCC of viral parotitis / MC of all salivary gland diseases

A

mumps

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19
Q

MC location of gummas in tertiary syphilis in the head and neck

A

palate

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20
Q

MC location of minor salivary gland calculi (rare)

A

upper lip and buccal mucosa

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21
Q

MC ductal foreign bodies

A

vegetable products such as grass seeds

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22
Q

MC site for a sialocyst

A

submandibular gland

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23
Q

MC form of a ranula

A

simple ranula

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24
Q

MCC of ranulas

A

trauma (including surgery) or obstruction of the sublingual salivary gland or its ductal elements

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25
Most commonly associated with facial nerve paralysis/tumor invasion
parotid undifferentiated ca > SCCa > ACC > adenoca > mucoepidermoid ca > ca ex pleomorhic adenoma > ACC
26
2nd mc upper lip salivary gland tumor after BMT
canalicular adeboma
27
MC site of canalicular adenoma
upper lip
28
MC neoplasms metastasizing to the major salivary gland area
SCC and malignant melanoma
29
MC sites of origin of parotid mets from known nonhead and nonneck primary sites
lung, kidney, and breast
30
Majority of malignancies metastasizing to the submandibular gland originate in?
infraclavicular sites, most commonly breast, kidney, and lung
31
2nd MC benign mesenchymal neoplasm after vascular/lymphatic tumors
neurogenic tumors
32
Pyramidal lobe is most commonly recognized in patients w/?
Graves' disease
33
MC patterns of EOM involvement in thyroid disease
IR, both IR and MR, all
34
MC condition that causes marked enlargement of the thyroid gland
multinodular goiter
35
MC type of functioning ectopic thyroid tissue
lingual thyroid gland at the base of the tongue
36
MC location of intratracheal thyroid ectopia
at or just below the cricoid cartilage
37
MC of the autoimmune disorders
Graves' disease
38
MC functioning or hot thyroid nodules reflecting benign conditions
adenomas or hyperplasia
39
MC thyroid ca
papillary
40
MCC of thyroid mets found at autopsy
lung and breast ca
41
MCC of thyroid mets detected clinically
renal ca
42
MC presentation of parathyroid pathology
primary hyperparathyroidism resulting in hypercalcemia
43
MC anatomic location of the upper parathyroid glands
posterior to the middle 1/3 of the thyroid gland
44
MC anatomic location of the lower parathyroid glands
lateral to the lower pole of the thyroid gland (2nd MC: 1cm below the lower thyroid pole)
45
MC location of parathyroid adenomas
inferior poles of the thyroid glands
46
Most accurate and cost-effective means to detect parathyroid adenomas
sestamibi scintigraphy as a single study
47
Parathyroid cysts, like adenomas, most commonly arise in the?
inferior parathyroid glands (95% of these occur below the level of the inferior thyroid border
48
Buccal space is most commonly involved w/?
infection
49
MC sites for saccular aneurysms
ACoA and ICA-PCoA junction (others: MCA bifurcation, basilar tip)
50
MC ruptured saccular aneurysm that may present with focal lobar hemorrhage
ACoA aneurysm (projecting superolaterally and rupturing into the frontal lobe)
51
MC location of hypertensive hemorrhage/ICH
putamen/external capsule (2nd mc: thalamus, 3rd mc: pons and cerebellum)
52
MCC of tumor-associated temporal lobe epilepsy
ganglioglioma
53
MCC of temporal lobe epilepsy
mesial temporal sclerosis
54
MC overall cause of a large, bulky, heterogeneous hemispheric mass in an infant
teratoma
55
MC congenital brain neoplasms
teratoma, astrocytoma, craniopharyngioma, PNET, choroid plexus papilloma
56
MC dura-based neoplasm in children
meningioma (although rare in children)
57
MC secreting adenoma
prolactinoma (Osborn: 2 MC pituitary adenomas - prolactinoma and GH)
58
MC intracranial site of schwannomas
vestibular (CN VIII) > trigeminal (CN V) > jugular foramen (CN XI, X, XI) > facial (CN VII) > hypoglossal (CN XII) (VIII at V lang malakas, rare na sa iba)
59
MC locations of nonvestibular schwannomas of NF2
trigeminal and oculomotor nerves (V and III)
60
MC site of schwannomas
skin and SC tissues
61
MC location/s for intracranial lipomas
interhemispheric fissure
62
MC infratentorial/posterior fossa site of lipomas
CPA cistern
63
MC NOSOCOMIAL fungal infection worldwide
Candidiasis
64
MC ruptured saccular aneurysm that may present with focal lobar hemorrhage
ACoA aneurysm (projecting superolaterally and rupturing into the frontal lobe)
65
MCC of tumor-associated temporal lobe epilepsy
ganglioglioma
66
2 mc long-term epilepsy-associated tumors
ganglioglioma and DNET
67
MCC of temporal lobe epilepsy
mesial temporal sclerosis
68
MC congenital brain neoplasms
teratoma, astrocytoma, craniopharyngioma, PNET, choroid plexus papilloma
69
MC congenital astrocytoma
glioblastoma
70
MC dura-based neoplasm in children
meningioma (although rare in children)
71
MC location of subependymoma
frontal horn of the lateral ventricle, near the foramen of Monro, where they are often attached to the septi pellucidi (2nd mc 4th ventricle) [Note: pero sa box, posterior fossa (4th ventricle) > supratentorial (frontal horn) !!!]
72
MC intracranial site of schwannomas
vestibular (CN VIII) > trigeminal (CN V) > jugular foramen (CN IX, X, XI) > facial (CN VII) > hypoglossal (CN XII) (VIII at V lang malakas, rare na sa iba)
73
MC locations of nonvestibular schwannomas of NF2
trigeminal and oculomotor nerves (V and III)
74
MC of all the pure motor nerve schwannomas
CN III (MC location: interpeduncular cistern)
75
MC jugural foramen schwannoma
glossopharyngeal (CN IX)
76
MC site of schwannomas
skin and SC tissues
77
MC of all soft tissue tumors
ordinary lipoma
78
MC location of intracranial lipomas / MC intracranial site of lipomas
interhemispheric fissure
79
MC nosocomial fungal infection worldwide
Candidiasis

Most common (9 decks)

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