Salivary Gland Pathology Flashcards
Label the following structures of the salivary gland unit:
A- Stratified squamous epithelium
B- Extralobular duct
C- Striated duct
D- Intercalated duct
E- Acinar cells
F- Myoepithelial cells
Label the following structures of the salivary gland unit:
A- Acinus
B- Intercalated duct
C- Striated duct
D- Excretory duct
List the MAJOR salivary glands: (3)
- Parotid
- Submandibular
- Sublingual
List the locations of the MINOR salivary glands: (7)
- Palate
- Buccal mucosa
- Tongue
- Floor of mouth
- Labial mucosa
- Retromolar pad
- Oropharynx
What can seen in the following histological slide?
parotid gland
What can seen in the following histological slide?
Parotid gland- pure serous
The parotid gland is a _____ gland
pure serous
What can be seen in the following slide? What are the dark staining purple areas?
serous acini - zymogen granules
What can seen in the following histological slide?
submandibular gland
The submandibular gland is a _____ gland
seromucous
What can seen in the following histological slide?
sublingual gland
The sublingual gland is a ____ gland
mucoserous
What can seen in the following histological slide?
sublingual
List the distribution of the following minor salivary glands:
A: Palate
B: Tongue
C: Lips
D: Cheeks
E: Retromolar
A: Palate- 60%
B: Tongue- 10%
C: Lips- 10%
D: Cheeks- 10%
E: Retromolar- 10%
Minor glands of the tongue include:
- Glands of Von Ebner
- Glands of Blandin and Nuhn
- Glands of Weber
- Glands of Von Ebner
- Glands of Blandin and Nuhn
- Glands of Weber
These are all:
minor salivary glands of the tongue
List the location and type of minor salivary gland of the tongue:
Glands of Von Ebner
Circumvalate papillae; serous
List the location and type of minor salivary gland of the tongue:
Glands of Blandin and Nuhn
Anterior Ventral; mucous
List the location and type of minor salivary gland of the tongue:
Glands of Weber
Posterior lateral border; mucous
What minor salivary gland is seen below? Location? Type?
Glands of Von Ebner; Circumvallate papillae; serous
What minor salivary gland is seen below? Location? Type?
Glands of Weber; Foliate papillae; mucous
What minor salivary gland is seen below? Location? Type?
Glands of Blandin and Nuhn; Anterior Ventral; mucous
A mucous extravasation reaction =
mucocele
Diagnose the following image:
mucocele
Diagnose the following image:
mucocele
The following histological and clinical images show:
mucous extravasation reaction (mucocele)
The following histological image shows:
mucocele
The following histological and clinical images show:
mucocele
Diagnose the following image:
mucocele
Diagnose the following image:
Ranula
When mucin dissects through mylohyoid muscle presenting as a neck mass:
Ranula
Diagnose the following image:
Ranula
What is represented by this schematic?
Sialolith
Diagnose the following image:
Sialolith
What structures are involved in a sialolith?
submandibular gland (deep lobe) & Wharton’s duct
Diagnose the following images:
Sialolith
Diagnose the following radiographic image:
Sialolith
Diagnose the following image:
Sialolith
What can be seen in the following histological image?
Sialolith
Diagnose the following image:
necrotizing sialometaplasia
Diagnose the following image:
necrotizing sialometaplasia
Diagnose the following image:
necrotizing sialometaplasia
- Autoimmune disorder
- Dry mouth & dry eyes
- Primary vs. Secondary
- Bilateral enlargement of the parotid gland
Sjogren syndrome
What are some symptoms one may experience with sjogren syndrome?
- dry mouth & dry eyes
- bilateral enlargement of parotid gland
What are some characteristic lab values of Sjogren syndrome?
- Anti-SS-A
- Anti-SS-B
- RF
- ANA
If a patient presents with benign lymphoepithelial lesion (BLEL), you may suspect:
Sjogren’s syndrome
An autoimmune disease considered a form of sjogrens syndrome in which the salivary and lacrimal glands become enlarged:
Mikulicz’s disease
-BLEL
- Mikulicz’s disease
These are both associated with:
Sjogren’s syndrome
Diagnose the following image:
Sjogren’s syndrome
Diagnose the following image:
Sjogren’s syndrome
Diagnose the following images:
Sjogren’s Syndrome
Describe the tumor distribution of the major salivary glands:
A) Parotid:
B) Submandibular:
C) Sublingual
A) Parotid:
benign 50%
malignant 50%
B) Submandibular:
benign 40%
malignant 50%
C) Sublingual
benign: 20%
malignant: 80%
Describe the tumor distribution of the minor salivary glands in the following areas:
A) Palate
B) Buccal Mucosa
C) Upper Labial Mucosa
D) Lower Labial Mucosa
E) Tongue
F) Floor of Mouth
G) Retromolar Pad
A) Palate
b: 50%
m: 50%
B) Buccal Mucosa
b: 50%
m: 50%
C) Upper Labial Mucosa
b: 80%
m: 20%
D) Lower Labial Mucosa
b: 15%
m: 85%
E) Tongue
- up to 90% malignant
F) Floor of Mouth
- up to 90% malignant
G) Retromolar Pad
- up to 90% malignant
Describe the following for a BENIGN salivary gland neoplasm:
growth rate:
induration:
symtomatology:
ulceration:
growth rate: SLOW GROWTH
induration: MOVEABLE
symtomatology: ASYMPTOMATIC
ulceration: INTACT MUCOSA
Describe the following for a MALIGNANT salivary gland neoplasm:
growth rate:
induration:
symtomatology:
ulceration:
growth rate: RAPID
induration: FIXED
symtomatology: SYMPTOMATIC
ulceration: ULCERATED
Give some examples of benign salivary gland tumors: (5)
- Benign mixed tumor (pleomorphic adenoma)
- Monomorphic adenoma
- Warthin’s tumor (papillary cystadenoma lymphomatosum)
- Oncocytoma
- Ductal papillomas
A papillary cystadenoma lymphomatosum may also be called:
Warthin’s Tumor
A benign mixed tumor of the salivary gland may also be called:
pleomorphic adenoma
Most common salivary gland neoplasm:
pleomorphic adenoma
Pleomorphic adenomas are most common in:
middle-aged females
Describe a pleomorphic adenoma:
painless, slow-growing mass
Diagnose the following image:
pleomorphic adenoma
Diagnose the following image:
pleomorphic adenoma
Diagnose the following image:
pleomorphic adenoma
Describe the histology of pleomorphic adenoma: (3)
- variable histology
- mixture of ductal and myoepithelial elements
- encapsulated
- most common salivary gland neoplasm
- middle-aged females
- painless slow-growing mass
- encapsulated
Pleomorphic adenoma
- upper lip
- middle-aged females
- painless slow-growing mass
- thin fibrous capsule
- uniform pattern
monomorphic adenoma
Diagnose the following image:
monomorphic adenoma
Describe the histology of a monomorphic adenoma: (5)
- uniform pattern
- single layered cords of columnar or cuboidal epithelium
- may demonstrate papillary projections
- loose connective tissue stroma, with prominent vascularity
- thin fibrous capsule
The following histological characteristics describe:
- uniform pattern
- single layered cords of columnar or cuboidal epithelium
- may demonstrate papillary projections
- loose connective tissue stroma, with prominent vascularity
- thin fibrous capsule
monomorphic adenoma
The following histological characteristics describe:
- variable histology
- mixture of ductal and myoepithelial elements
- encapsulated
pleomorphic adenoma
Papillary Cystadenoma Lymphomatosum =
Warthin’s Tumor
- 2nd most common benign salivary neoplasm
- parotid gland
- bilateral
- middle-aged males (seen fewer in blacks)
- smoking
- painless slowly growing nodular mass
Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor)
What is the 2nd most common benign salivary benign salivary gland neoplasm?
Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor)
Where does a Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor) occur?
parotid gland - bilateral
Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor) is most often seen in:
middle-aged males (fewer blacks)
_____ is a risk factor for Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor)
smoking
Describe Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor):
painless slow-growing nodular mass
Diagnose this image:
Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor)
Describe the histology of Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor): (3)
- oncocytic ductal epithelium (uniform double rows)
- lymphoid aggregate
- papillary cystic configuration
The following histological characteristics describe:
- oncocytic ductal epithelium (uniform double rows)
- lymphoid aggregate
- papillary cystic configuration
Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor)
What is seen in the following histological image?
Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor)
key: double rows
What is seen in the following histological image?
Papillary Cystadenoma Lymphomatosum (Warthin’s Tumor)
- rare salivary gland neoplasm
- large epithelial cells, oncocytes
- females (8th decade)
- parotid gland
- painless slow-growing mass
- multifocal
Oncocytoma
A rare salivary gland neoplasms that is multifocal and comprised of large epithelial cells:
oncocytoma
Describe the cells found in an oncocytoma:
large epithelial cells (oncocytes)
_____ especially at age ___ are most at risk for oncocytomas
females; 80s
Descrie an oncocytoma:
painless, slow-growing multifocal mass
diagnose the following image:
oncocytoma
Describe the histology of an oncocytoma: (3)
- large polyhedral cells abundant in granular eosinophilic cytoplasm - mitochondria
- limited stroma- thin vascular septa
- lymphoid infiltrate
The following histological characteristics describes:
- large polyhedral cells abundant in granular eosinophilic cytoplasm - mitochondria
- limited stroma- thin vascular septa
- lymphoid infiltrate
oncocytoma
Describe the histology of necrotizing sialometaplasia: (3)
- pseudoepitheliomatous hyperplasia
- sialometaplasia
- coagulative necrosis of the glands
The following histological characteristics describe:
- pseudoepitheliomatous hyperplasia
- sialometaplasia
- coagulative necrosis of the glands
necrotizing sialometaplasia
List examples of MALIGNANT salivary gland tumors:
- mucoepidermoid carcimoma
- adenoid cystic carcinoma
- polymorphous low-grade adenocarcinoma
- acidic cell carcinoma
- carcinoma ex-mixed tumor
- adenocarcinoma NOS
- The most common malignant salivary gland neoplasm
- middle-aged females
- clinically mistaken for a mucocele
mucoepidermoid carcinoma
What is the most common malignant salivary gland neoplasm?
mucoepidermoid carcinoma
Mucoepidermoid carcinoma most commonly occurs in:
middle-aged females
What is commonly misdiagnosed for a mucoepidermoid carcinoma?
mucocele
Diagnose the following image:
mucoepidermoid carcinoma
Diagnose the following image:
mucoepidermoid carcinoma
Diagnose the following image:
mucoepidermoid carcinoma
Diagnose the following image:
mucoepidermoid carcinoma
Describe the histological characteristics of a mucoepidermoid carcinoma: (3)
- mucous producing cells
- epidermoid (squamous) cells
- may be cystic and/or solid
The following histological characteristics describe:
- mucous producing cells
- epidermoid (squamous) cells
- may be cystic and/or solid
mucoepidermoid carcinoma
- Best recognized salivary gland tumor
- Middle-aged females
- Slow-growing mass
- Painful
adenoid cystic carcinoma
What is the “best recognized” salivary gland tumor?
adenoid cystic carcinoma
adenoid cystic carcinoma is most commonly seen in:
middle-aged females
adenoid cystic carcinoma can be described as _____ growing and ____
slow-growing; painful
Diagnose the following image:
adenoid cystic carcinoma
Diagnose the following image:
adenoid cystic carcinoma
Diagnose the following image:
adenoid cystic carcinoma
Diagnose the following image:
adenoid cystic carcinoma
Diagnose the following image:
adenoid cystic carcinoma
Describe the histological characteristics of an adenoid cystic carcinoma: (4)
- myoepithelial and ductal cells
- perineural & perivascular invasion
- cribriform pattern
- SWISS CHEESE
The following histological characteristics describe:
- myoepithelial and ductal cells
- perineural & perivascular invasion
- cribriform pattern
- SWISS CHEESE
Adenoid cystic carcinoma
What pathology can be described as “Swiss cheese”
adenoid cystic carcinoma
The following histological image is characteristic of:
adenoid cystic carcinoma
swiss cheeeeeze
The following histological image is characteristic of:
adenoid cystic carcinoma
swiss cheeeeeze
PLGA:
Polymorphous Low-Grade Adenocarcinoma
- Common malignant MINOR salivary gland neoplasm
- Middle-aged females
-Favors palate
Polymorphous Low-Grade Adenocarcinoma (PLGA)
Diagnose the following image:
Polymorphous Low-Grade Adenocarcinoma (PLGA)
Diagnose the following image:
Polymorphous Low-Grade Adenocarcinoma (PLGA)
Describe the histology of Polymorphous Low-Grade Adenocarcinoma (PLGA): (4)
- deceptive uniform appearance
- different growth patterns
- perineural perivascular invasion
- indian filing
The following histological characteristics describe:
- deceptive uniform appearance
- different growth patterns
- perineural perivascular invasion
- indian filing
Polymorphous Low-Grade Adenocarcinoma (PLGA)
- parotid gland
- serous acinar differentiation
- middle-aged females
- slow-growing
- low-grade malignancy
acinic cell carcinoma
Diagnose the following image:
acinic cell carcinoma
Diagnose the following image:
acinic cell carcinoma
Describe the histology of an acinic cell carcinoma: (3)
- well-circumscribed
- may be infiltrative
- serous acinar cell (abundant granular basophilic cytoplasm ad a round, stained eccentric nucleus)
The following histological characteristics describe:
- well-circumscribed
- may be infiltrative
- serous acinar cell (abundant granular basophilic cytoplasm ad a round, stained eccentric nucleus)
acinic cell carcinoma
- Long-standing pleomorphic adenoma
- older adults
- rapid growth
- pain and ulceration
carcinoma ex-pleomorphic adenoma
Diagnose the following image:
carcinoma ex-pleomorphic adenoma
Describe the histological characteristics of carcinoma ex-pleomorphic adenoma: (5)
- typical benign mixed tumor
- malignant degerneration
- cellular pleomorphism
- abnormal mitotic activity
- capsular invasion
The following histological characteristics describe:
- typical benign mixed tumor
- malignant degerneration
- cellular pleomorphism
- abnormal mitotic activity
- capsular invasion
carcinoma ex-pleomorphic adenoma
- uncommon salivary gland neoplasm
- middle aged females
adenocarcinoma NOS
Diagnose the following image:
adenocarcinoma NOS
Describe the histology of adenocarcinoma NOS:
variable