Salivary Glands Flashcards

1
Q

Extravasation of fluid into the surrounding tissue after s traumatic break into the continuity of minor salivary gland

A

Mucus extravasation cyst- mucocele

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2
Q

Common site of mucus extravasation cyst

A

Lower lip
Painless smooth surface may be bluish

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3
Q

Obstructed duct opening that cannot accomodate the exit of saliva produced leading to ductal dilation and surface swelling

A

Mucus retention cyst - mucocele

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4
Q

Ranula

A

Mucocele occuring floor of the mouth
Lateral to midline

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5
Q

Cervical ranula

A

Spilled nucin dissects through the myolohyoid muscle

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6
Q

Most common gland affected in ranula

A

Sublingual gland

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7
Q

Stone within the salivary gland

A

Sialolith

Sialolithiasis

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8
Q

Sialolith commonly occurs in

A

Submandibular gland

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9
Q

Locally destructive inflammatory condition of the SG, asymptomatic, necrotic, ulcerated area on the palate due to ischemia of minor SG, asa result of LA

A

Necrotizing sialometaplasia

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10
Q

Causative agent of mumps

A

Paramyxovirus

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11
Q

Benign asymptomatic enlargement of the SG or lacrimal gland commonly found in 50 yrs old females, infiltration of lymphocytes in myoepithelial islands

A

Mikulicz disease
Benign lymphoepithelial lesion
igG4 related disease

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12
Q

Autoimmune schronic systemic disorder results in xerostomia and keratoconjuctivitis sicca

A

Sjogrens syndrome

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13
Q

Secondary form of sjogrens syndrome

A

Xerostomia
Keratoconjuctivitis sicca
Autoimmune disorder - SLE rheumatoid arthritis

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14
Q

Sialography in sjogren syndrome

A

Fruit laden
Branch less
Cherry blossom appearance

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15
Q

Multi system disorder abnormal masses or nodules called granuloma in certain organs of the body, non tender smooth swelling if SG involved, bilateral parotid gland involved mimics sjogren syndrome

A

Sarcoidosis

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16
Q

Intraoral presentation of sarcoidosis

A

Submucosal mass
Granularity or ulceration
Gingiva and lips affected

17
Q

Most common SG tumor

A

Pleomorphic adenoma

18
Q

Features of pleomorphic adenoma

A

EO- parotid 85%
IO - post palate minor SG

Superficial lobe, swellings overlaying the mand ramus
3-4% will be malignant- CA ex pleomorphic adenoma

19
Q

Basal cell adenoma locations

A

Parotid most common
Minor SG- upper lip and buccal mucosa

20
Q

Common sites involving canalicular adenoma

A

Upper lip
Buccal mucosa
Involves Minor SG

21
Q

Benign neoplasm in parotid gland, glandular cystic tumor lined by a bilayered - inner columnar oncocytic and outrr basal epi with lymphoid stroma

A

Warthins tumor
Papillary cystadenoma lymphomatosum

22
Q

Swiss cheese pattern on histology

A

Adenoid cystic carcinoma
40-45% minor SG
Parotid and submandibular
Cribriform, tubular, solid
Perinueral invasion
Pain
Lungs bone brain involved

23
Q

Most common malignant tumor

A

Mucoepidermoid carcinoma

24
Q

Mucoepidermoid carcinoma found in

A

Parotid glands - asymptomatic swelling
Palate
Mucous and epidermoid cells

25
Q

Polymorphous low grade adenocarcinoma

A

Second most common malignancy in minor SG

Palate
Lip
Buccal mucosa

26
Q

Which tumor develops from eipthelial components of a preexisting pleomorphic adenoma

A

Malignant mixed tumors