8/10/2019 1- Jaw Cysts Lab
1/19
Jaw Cysts Lab
LAB 1
Dr. Tahani AbualteenBDS, MFD
8/10/2019 1- Jaw Cysts Lab
2/19
1) Epithelial cysts of the jaws:
Odontogenic cysts (90%)
Developmental
Dentigerous (follicular) cyst (10-15%)
Eruption cyst
Odontogenic keratocyst (3-11%)
Lateral periodontal cyst (
8/10/2019 1- Jaw Cysts Lab
3/19
8/10/2019 1- Jaw Cysts Lab
4/19
A 28 years old male presents for
routine dental examination.
Incidentally, this radiographic
abnormality was noticed and
upon surgical investigation of thelesion blood stained fluid came
out
1- What is the most likely diagnosis?!
2- Describe the radiographicappearance?! Give me other differential
diagnoses radiographically?!
3- What are the clinical features of such
lesion?!
4- What might this lesion contain?!
5- What are the histopathological
characteristics?!
6- How to establish diagnosis?!
7- Whats your management?!
8/10/2019 1- Jaw Cysts Lab
5/19
30 years old male presents for
routine dental examination.
Incidentally, this radiographic
abnormality was noticed
This is the result of the biopsy
done!
1- What is the most likely diagnosis?!
2- Describe the radiographic appearance?!Give me other differential diagnoses
radiographically?!
3- What are the clinical features of such
lesion?!
4- What might this lesion contain?!
5- Describe the pathogenesis of this lesion
and the previous one?!
8/10/2019 1- Jaw Cysts Lab
6/19
Granulation tissueand multinucleated
giant cells
Pools of blood
Aneurysmal bone cyst
8/10/2019 1- Jaw Cysts Lab
7/19
presents for routinemaleyears old50
dental examination. Incidentally, this
radiographic abnormality was noticed
This is the result of the biopsy done!
1- What is the most likely diagnosis?!
2- Describe the radiographic
appearance?!
3- What are the clinical features of suchlesion?!
4- What might this lesion contain?!
5- Whats your managament?!
8/10/2019 1- Jaw Cysts Lab
8/19
30 years old male presents for the clinic
swellingtranslucentto consult about a
on the mucosal surface of his lower lip
,fluctuant in size,softThis swelling is
rupture, collapseand theres a history of
which is repeatedand refill again
This is the result of the biopsy done!
1- What are the clinical differential
diagnoses?!
2- According to the histological appearance,
whats the most likely diagnosis?!
2- Name other sites this lesion occur in?!
3- What is the cause behind such lesion?!
4- What in the history should confirm the
diagnosis?!
4- What might this cyst contain?!
8/10/2019 1- Jaw Cysts Lab
9/19
Pools ofmucus
Granulation
tissue
Minor
salivary
glands
Extravasation mucocele
8/10/2019 1- Jaw Cysts Lab
10/19
Retention Mucoceles Vs. Extravasation Mucoceles
8/10/2019 1- Jaw Cysts Lab
11/19
Clinical features:
Retention mucoceles are rare in the lower
lip
Retention mucoceles are derived from cysticdilatation of an obstructed ductand are
lined by epithelium of ductal type
Because the mucous is still contained within the duct
theres no surrounding chronic inflammatory reaction
Retention Mucoceles
8/10/2019 1- Jaw Cysts Lab
12/19
12 years old child presents for the
softclinic to consult about a
translucent enlargement of the
of one weekventral tongue
duration. The enlargement
appeared abruptly and is
asymptomatic
This is the result of the biopsy
done!
1- What are the clinical differential
diagnoses?!
2- According to the histological
appearance, whats the most likelydiagnosis?!
8/10/2019 1- Jaw Cysts Lab
13/19
Pools ofmucus
Granulation
tissue
Minor
salivary
glands
Extravasation mucoceles
8/10/2019 1- Jaw Cysts Lab
14/19
30 years old female presents for the
soft bluishclinic to consult about a
enlargement of the flour of the
of one week duration. Themouth
enlargement appeared abruptly
asymptomaticand is
This is the result of the biopsy
done!
1- What is the clinical term used to
describe such swelling of the flour of the
mouth?!
2- What are the clinical differential
diagnoses?!
3- According to the histological
appearance, whats the most likely
diagnosis?!
8/10/2019 1- Jaw Cysts Lab
15/19
Pools ofmucus
Granulation
tissue
Minor
salivary
glands
Extravasation mucoceles
8/10/2019 1- Jaw Cysts Lab
16/19
45 years old female presents for
softthe clinic to consult about a
translucent enlargement of the
of one weekflour of the mouth
duration. The enlargementappeared abruptly and is
asymptomatic
This is the result of the biopsy
done!1- What is the clinical term used to
describe such swelling of the flour of the
mouth?!
2- According to the histological
appearance, whats the most likely
diagnosis?!
3- Describe the clinical features of the
diagnosed lesion?!
4- Describe the histopathologicalappearance?!
8/10/2019 1- Jaw Cysts Lab
17/19
Sebaceous
glands
and hair
follicles
Dermoid cyst
Orthokeratinization
Stratified
Sequamous
Epithelium
8/10/2019 1- Jaw Cysts Lab
18/19
8/10/2019 1- Jaw Cysts Lab
19/19