Salivary -LAB-

7/30/2019 Salivary -LAB-

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Mucocele. Blue-pigmented nodule on

the lowerlip


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Mucocele. Nodule on the posterior

buccal mucosa


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Mucocele. Mucin-filled cystlike cavity beneath the

mucosal surface. Minor salivary glandsare present below and let era!

to the spilled mucin.


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Salivary duct cyst. Nodular swelling (arrow)

overlying

Wharton's duct.


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Salivary duet cyst. Cystic cavity below the

mucosal surface.


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Sialolithiasis. Hard mass at the orifice of

Wharton's duct.


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Sialolithiasis. Periapical film of the same sialolith

as depicted. Aradiopacity (arrow) is superimposed

on the mandible. Care must be taken not to confuse such lesions

with intrabony pathosis.


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Chronic sialadenitis. Parotid sialogram demonstrating ductal

dilatation proximal to an area of obstruction


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Cheilitis glandularis. Prominent lower lip with

inflamed openings of the minor salivary gland ducts. An early

squamous cell carcinoma has developed on the patient's left side

just lateral to the midline (arrow) .


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Xerostom ia. Dry, leathery tongue in a patient

with aplasia of the salivary glands


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Sjogren syndrome. Dry and fissured

tongue


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Sjogren syndrome. Parotid sialogram demonstrating

atrophy and punctate sialectasia (fruit-laden, branchless

tree)


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Sjogren syndrome. labial gland biopsy showing

multiple lymphocytic foci


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Sialadenosis. Enlargement of the parotid and

submandibular glands secondary to alcoholism


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Necrotizing sialometaplasia. Early lesion

demonstrating swelling of the posterior lateral hard palate .


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Pleomorphic adenoma. Tumor of the

submandibular

gland.


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Pleomorphic adenoma. Firm mass of the hard

palate lateral to themidline.


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Pleomorphic adenoma. low-power view showing

a well-circumscribed. encapsulated tumor mass. Even at this

power, the variable microscopic pattern of the tumor is evident


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Pleomorphic adenoma. Ductal structures (left)

with associated myxomatous background (right) .


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Oncocytoma. Sheet of large. eosinophilic

oncocytes


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Oncocytosis. Multifocal collections of dear

oncocytes (arrows) in the parotid gland.


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Warthin tumor. Mass in the tail of the parotid

gland.


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Warthin tumor. low-power view showing a papillary

cystic tumor with a lymphoid stroma

Warthin tumor High power view of epithelial


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Warthin tumor. High-power view of epithelial

lining showing double row of oncocytes with adjacent

lymphoid

stroma


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Canalicular adenoma. Mass in

the upper lip.


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Canalicular adenoma. Uniform columnar cells

forming canal-like ductal structures

B l ll d P tid t h i


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Basal cell adenoma. Parotid tumor showing

cords of basaloid cells arranged in a

trabecular pattern

Sialadenoma papilliferum Low-power view


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Sialadenoma papilliferum . Low-power view

showing a papillary surface tumor with associated ductal

structures

in the superficial lamina propria


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Sialadenoma papilliferum. High-power view of

cystic areas lined by papillary, oncocytic epithelium


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Mucoepidermoid carcinoma. Blue-pigmented

mass of the posterior lateral hard palate.

Mucoepidermoid carcinoma Low-power view of


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Mucoepidermoid carcinoma. Low power view of

a moderately well-differentiated tumor showing ductal and

cystic

spaces surrounded by mucous and squamous cells


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Acinic cell adenocarcinoma. Small, nodular mass

of the hard palate.

A i i ll d i P tid t


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Acinic cell adenocarcinoma. Parotid tumor

demonstrating sheet of granular, basophilic serous

acinar cells


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Acinic cell adenocarcinoma. High-power view of

serous cells with basophilic, granular cytoplasm.


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Adenoid cystic carcinoma. Painful mass of the

hard palate and maxillary alveolar ridge

Adenoid cystic carcinoma Computed tomography


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Adenoid cystic carcinoma. Computed tomography

scan of this massive palatal tum or shows extensive destruction

of the hard palate with extension of the tumor into the nasal

cavity and both maxillary sinuses

Ad id i i I l d f h h i


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Adenoid cystic carcinoma. Islands of hyperchromatic

cells forming cribriform and tubular structures. Inset shows

a high-power view of a small cribriform island.


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Adenoid cystic carcinoma. The tumor cells are

surrounded by hyalinized material


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Salivary -LAB-