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Sol Rad Flashcards

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1
Q

what are the solitary and interradicular radiolucencies

A
  • incisive canal cyst
  • median mandibular cyst
  • mid palatine cyst
  • lateral periodontal cyst
  • solitary bone cyst
  • posterior lingual mandibular salivary gland depression (Stafne cyst)
  • focal osteoporotic bone marrow defect
  • residual cyst
  • fibrous healing defect
  • neuroma, neurofibroma
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2
Q

do solitary and interraddicular radiolucencies form around apex

A

not typically

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3
Q

what is the most common interradicular and solitary radiolucencies

A

incisive canal (nasopalatine) cyst

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4
Q

what are the lines of embryonic fusion and sites of development cysts

A
  • naso-labial
  • naso-palatine duct
  • median palatal
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5
Q

what are the clinical features of incisive canal cysts

A
  • painless swelling
  • sinus tract may be present
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6
Q

what are the radiographic features of the incisive canal cyst

A
  • unilocular radiolucency in vicinity of maxillary midline
  • cause of alterations to walls of incisive canals
  • root divergence in cases of large cysts
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7
Q

what is another way an incisive canal cyst is described and why

A

heart shaped because of the anterior nasal spine superimposing over the round radiolucency

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8
Q

do incisive canal cysts displace teeth

A

no

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9
Q

do incisive canal cysts usually get larger

A

not usually but it can

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10
Q

what is the age, site and gender predilection of the incisive canal cyst

A
  • 4th and 6th decades
  • site: anterior maxilla; close to midline
  • gender: male:female 3:1
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11
Q

what is the management of incisive canal cysts and is there recurrence

A
  • simple enucleated; degree of surgery is dependent on size of lesion
  • recurrence is unusual
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12
Q

what are the clinical features of median mandibular cysts

A

asymptomatic

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13
Q

what are the radiographic features of the median mandibular cysts

A

unilocular radiolucency in the symphyseal region

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14
Q

what are the clinical features of the mid palatine cyst

A

asymptomatic

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15
Q

what are the radiographic features of the mid palatine cyst

A
  • unilocular radiolucency
  • palatal midline, posterior to papilla
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16
Q

what is the age, site and gender predilection for the mid palatine cyst

A
  • any age
  • site: midpalate posterior to papila
  • no gender predilection
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17
Q

what is the management of mid- palatine cyst

A
  • simple enulcelated; degree of surgery is dependent on size of lesion
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18
Q

what is the clinical presentation of the lateral periodontal cyst

A
  • asymptomatic, dome-shaped swellings of the interdental papilla, attached gingiva, or alveolar mucosa
  • occurs in the mandible cuspid-PM region
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19
Q

does the lateral periodontal cyst push teeth away

A

no

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20
Q

what is the radiographic presentation of the lateral periodontal cyst

A
  • well defined radiolucency
  • round to ovoid
  • normally in inter radicular areas between alveolar crest and apices
  • may or may not come in contact with the tooth surface
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21
Q

what is the age, site and gender predilection for the lateral periodontal cyst

A
  • age: adult
  • site mandible- canine-premolar region
  • gender: male
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22
Q

what is the management of lateral periodontal cysts and do they recur

A
  • surgical enucleated
  • does not recur
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23
Q

what must lateral periodontal cysts be differentiated from

Study These Flashcards
A

early stage OKCs and ameloblastomas

24
Q

what is the clinical presentation of solitary (traumatic) bone cysts

Study These Flashcards
A
  • normally asymptomatic
  • may have swelling or pain
25
what are the other names for the solitary bone cyst
- unicameral bone cyst - solitary bone cyst - hemorrhagic bone cyst - intravasational bone cyst - traumatic bone cyst - extravasational bone cyst
26
what is the radiographic appearance of the solitary bone cyst
- unilocular radiolucency with interradicular scalloped superior margins - usually greater than 10mm and associated with more than 1 root apex - well demarcated but does not have corticated border - aggressive lesions can be expansive but most cases arent
27
what is the age, site and gender predilection for solitary bone cyst
- age: second decade, usually less than 25 years but also seen in menopausal age women and same age in men - site: body and ramus of mandible - gender: no predilection
28
what is the management of solitary bone cysts and is there recurrence
- initiate bleeding - recurrence is rare
29
what is the clinical presentation of the posterior lingual mandibular salivary gland depression
- developmental lesion - asymptomatic - usually found in routine radiographic examinations - considered pathognomonic
30
what is another name for the posterior lingual mandibular salivary gland depression
Stafne cyst
31
what is the radiographic presentation of PLMSGD
-well circumscribed posterior radiolucency in molar region between mandibular canal and inferior border - can be found in antegonial notch - may or may not be corticated
32
does the PLMSGD grow
yes
33
what is the age, site and gender predilection of the PLMSGD
- age: adults; prominent over 50 years - site: between the mandibular canal and inferior border - gender: almost exclusively in men
34
what is the management for PLMSGD
- positive diagnosis based on clinical and radiologic history negates the need for biopsy and histologic examination
35
what is the clinical presentation of focal osteoporotic bone marrow defect of the jaws
asymptomatic
36
what is the radiographic presentation of the focal osteoporotic bon marrow defect of the jaws
- unilocular, faint radiolucency - not ragged but difficult to discern as a separate entity - well demarcated, can be trabeculations, no expansion
37
what is the age, site and gender predilection for focal osteoporotic bone marrow defect of the jaws
- age: all - site: mandible - gender: slightly higher in females but no predominant gender
38
what is the management for focal osteoporotic bone marrow defect of the jaws
no treatment
39
what is the pathophysiology of the residual/recurrent cyst
- results from incomplete removal or residual viable epithelial cystic lining following treatment of a cyst - previous history of periapical disease
40
what is the clinical presentation of the residual cyst
- asymptomatic, normally found on radiographic examinations of edentulous areas - tooth or root may or may not be present
41
what is the radiographic presentation of the residual cyst
- well defined radiolucency with smooth round corticated borderd - usually 5mm or less in diameter - may not be any root present if tooth was previously extracted
42
what is the age, site and gender predilection for the residual cyst
- age: middle age or older - site: more common in maxilla - gender: more common in males
43
what is the management of the residual/recurrent cyst
- same as PA cyst - requires removal of the cyst lining - enucleation if a large cyst
44
what is the pathophysiology of the fibrous healing defect
- develops after inflammation that affects the integrity of the periosteum - once disease is eradicated the bone heals without a mineralized bony matrix - due to the loss of the periosteum only fibrous connective tissue fills the site of the previous disease
45
what is another name for the fibrous healing defect
apical scar
46
what is the clinical presentation of the fibrous healing defect
- asymptomatic - noted in areas with a history of disease or trauma
47
what is the radiographic presentation of the fibrous healing defect
- well circumscribed radiolucent lesion at site of previous surgery - punched out or see through appearance - may resemble residual cysts in edentulous areas but lack of cortication
48
fibrous healing defects are seen where:
there was trauma such as endo or mandibular fx
49
what is the management for the fibrous healing defect
- no treatment indicated - a previous history of disease is critical in establishing the diagnosis
50
what is the clinical presentation of the neuroma, neurofibroma
- expansion, pain or paresthesia - symptoms include complaints of burning, tingling and aching sensations
51
what is the radiographic presentation of neuroma, neurofibroma
- well circumscribed radiolucency of various shapes - in the mandible it usually forms in the mandibular canal - benign
52
what is the management of the neuroma, neurofibroma
- excision - recurrence is rare
53
what are the other odontogenic cyst like radiolucencies
- ameloblastoma - central giant cell granuloma - cementoossifying fibroma
54
what are the other non-odontogenic cyst like radiolucencies
-chronic localized langerhans cell disease - myeloma
55

Radiographic Interpretation (13 decks)

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