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Jaw CystsLab
Dr. Rima Safadi
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Dermoid cyst
Sebaceous glands and hairfollicles
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Epidermoid cyst
orthokeratin
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Lateral periodontal cyst
Botryoidtype
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Gingival cyst of the adult
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Your diagnosis? Eruption cyst
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Glandular odontogenic cyst
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Aneurysmal bone cyst
Pools ofblood
Granulation tissue and
multinucleated giantcells
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Idiopathic bone cavity
Scant fibroustissue
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Lymphoepithelial cyst
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Thyroglossal duct cyst
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29 year old
A 29 year old male presents forendodontic evaluation. The patient
had become aware of anenlargement of his palate.
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Differential Diagnosis
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Diagnosis?? Nasopalatine duct cyst
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47 year old female
Patient presents withthis incidentalradiographic finding.
Teeth test vital
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Diagnosis??
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Lateral Periodontal Cyst
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Gingival cyst of the adult
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Gingival Cyst of the newborn
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Case 2X Patient:17-year-old
femaleX Chief Complaint:
tenderness first noticedone week previously in
the left posterior aspectof the mandible.
X Radiographs: a well-circumscribedradiolucency of the rightmandibular bodyinvolving uneruptedthird molar S-97-
1600
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(keratinizing cystic odontogenictumor)
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Daughter cyst formation in OKC
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OKC biologic quality of epithelium
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Radiographicpresentatio
ns
of OKC
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OKC
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OKC: Can be multiple
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Notice Parakeratin Production
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Inflammation changes the typical featuresof OKC
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Orthokeratinized odontogenic cystsdifferent from OKC
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What condition(s) should youconsider now?
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B A S A L C E LL N E V U S S Y N D R O M E .Basal CellCarcinomasOdontogenicKeratocystsAutosomal Dominant withhigh penetrance andvariable expressivity
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Sy s t em s A f fe c t ed
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D U R A C A L C I F IC AT I O N S
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B i f id R i b s
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OKC
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Case 4
X Patient:22-year-old maleX Chief Complaint: Patient with incidental
radiographic finding when patient reported
for 3rd molar extractionsX Radiographs: a coronal radiolucency is seen.
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What is your diagnosis now?
D ti t
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Dentigerous cyst
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Eruption cyst
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Case 5: Patient: 5 year old male
Chief Complaint:Enlargement of theventral tongue of one
week duration. Theenlargement appearedabruptly and isasymptomatic.
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Clinical Differential Diagnosis:
Extravasation mucocele:(salivary extravasation
phenomenon)Retention mucocele: Salivaryduct cyst (dilated salivary duct)
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Pools ofmucous
Granulationtissue
Minor salivaeryglands
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Extravasation mucocele
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Ranula/plunging ranula
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Extraosseous Developmental Cysts
Nasolabial Cyst: Nasolacrimal duct origin Strong female predilection Trt: surgical excision
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42 Year old female
Patient presents forroutine dental exam. Aperiradicular
abnormality is noted
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Differential Diagnosis
List 1 2 3 4 5
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Rushton bodies
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Hyperplastic liningepithelium
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Inflammatory infiltrates
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Diagnosis?? Radicular/periapical cyst
Rests of Malassez
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Residual Cyst
Oral Pathology, 4th edition, Soamsand Southam
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Simple bonecyst
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Dermoid cyst
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Ranula
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Aneurysmal bone cyst
Multinucleated giantcell
Blood
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Dentigerous cyst
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Paradental cyst
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Th l l d
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Thyroglossal duct cyst
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http://www.radiology.wisc.edu/Med_Students/ENT/SINUS_labels1/sld001.htm
C 6 47 ld f l
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Case 6: 47 year old female
Patient presents withepisodic pain andoccasional bad taste inmouth. Multipleendodontic therapies.
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Di i
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Diagnosis
Nasopalatine duct cyst
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Questions