1- Jaw Cysts Lab

8/10/2019 1- Jaw Cysts Lab

1/19

Jaw Cysts Lab

LAB 1

Dr. Tahani AbualteenBDS, MFD


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 (


3/19


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?!


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!


2- Describe the radiographic appearance?!Give me other differential diagnoses

radiographically?!

3- What are the clinical features of such

lesion?!


5- Describe the pathogenesis of this lesion

and the previous one?!


6/19

Granulation tissueand multinucleated

giant cells

Pools of blood

Aneurysmal bone cyst


7/19

presents for routinemaleyears old50

dental examination. Incidentally, this

radiographic abnormality was noticed

This is the result of the biopsy done!


2- Describe the radiographic

appearance?!

3- What are the clinical features of suchlesion?!


5- Whats your managament?!


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?!


9/19

Pools ofmucus

Granulation

tissue

Minor

salivary

glands

Extravasation mucocele


10/19

Retention Mucoceles Vs. Extravasation Mucoceles


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


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


done!


diagnoses?!

2- According to the histological

appearance, whats the most likelydiagnosis?!


13/19

Pools ofmucus

Granulation

tissue

Minor

salivary

glands

Extravasation mucoceles


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


done!

1- What is the clinical term used to

describe such swelling of the flour of the

mouth?!


diagnoses?!


appearance, whats the most likely

diagnosis?!


15/19

Pools ofmucus

Granulation

tissue

Minor

salivary

glands

Extravasation mucoceles


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


done!1- What is the clinical term used to

describe such swelling of the flour of the

mouth?!


appearance, whats the most likely

diagnosis?!

3- Describe the clinical features of the

diagnosed lesion?!

4- Describe the histopathologicalappearance?!


17/19

Sebaceous

glands

and hair

follicles

Dermoid cyst

Orthokeratinization

Stratified

Sequamous

Epithelium


18/19


19/19

1- Jaw Cysts Lab

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