pan anatomy and abnormalities (look at handout for abnormalities) Flashcards

1
Q

Air Spaces in Pan

A

3
Nasopharyngeal
glossopharyngeal
palatoglossal

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2
Q

What does it mean if the Palatoglossal air space is in the pan

A

Pt tongue not against roof of mouth

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3
Q

What structures are easily visualized in the airspaces

A
  • Turbinates
  • Adenoid pad
  • Uvula
  • Root of the tongue
  • Lingual tonsil
  • Hyoid bone
  • Epiglottis
  • Cervical spine
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4
Q

What structures are not easily visualized in the air spaces

A
• Palatine tonsils
• Posterior nasal septum
• Choana
• Eustachian tube orifices
• Lateral pharyngeal
recesses
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5
Q

Location and Rad appearance of the Nasopharyngeal air space

A

• Portion of the pharynx located posterior to the nasal cavity
• RADIOGRAPHIC APPEARANCE: diagonal RL band located
superior to the RO shadow of the soft palate and uvula

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6
Q

Location and appearance of the Palatoglossal air space

A
  • Air space between the palate and tongue

* RADIOGRAPHIC APPEARANCE: horizontal RL band superimposed over the apices of the maxillary teeth

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7
Q

Location and Rad Appearance of Glossopharyngeal Air Space

A

• Portion of the pharynx located posterior to the tongue
and oral cavity
• RADIOGRAPHIC APPEARANCE: vertical RL band superimposed over the ramus of the mandible

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8
Q

What do the airspaces mimic if superimposed on teeth

A

Coronal Radiolucencies

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9
Q

What structures are located in the Midfacial Region

A
  • Adenoid pad
  • Pterygomaxillary fissure
  • Maxillary tuberosity and maxilla
  • Maxillary sinus/antrum
  • Lower border of the orbit
  • Zygomatic process of the maxilla
  • Zygoma
  • Nasal septum
  • Inferior turbinates
  • Middle and inferior meati
  • Hard palate
  • Anterior nasal spine
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10
Q

Adenoid Pad

A
  • Located in the MidFacial Region

- Nasopharyngeal airspace

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11
Q

Pterygomaxillary Fissure

A

Located in MidFacial Region

Inverted RL teardrop with sclerotic borders

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12
Q

Maxillary Tuberosity

A

Located in the Midfacial Region

RO bulge distal to Max 3rd Molar

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13
Q

Max Sinus/Antrums

A

Located in the Midfacial Region
Paired and usually symmetrical
Sinus Floor dense cortical bone appears as RO line

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14
Q

Lower Border of the ORbit

A

Located in the Midfacial Region

Rounded RL compartment with RO borders located superior to the Max Sinus

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15
Q

Zygomatic Process of the Max

A

Located in the Midfacial Region

J or U shape RO usually located superior to the Max 1/2nd molar

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16
Q

Lower Border of the Zyoma

A

Located in the Midfacial Region

RO band that extends posteriorly from the zygomatic process of the Max

17
Q

Nasal Septum and fossae

A

Located in the Midfacial Region
Vertical RO partition that divides the nasal cavity
Fossae are cavities that contain air and turbinate bone

18
Q

Inferior Turbinates

A

Located in the Midfacial Region

RO smear across the panoramic image towards the man notch

19
Q

Middle and inferior meati

A

Located in the Midfacial Region
Inf meat are inferior to the inf turbinates
Middle meat are inf to middle turbinates

20
Q

Hard Palate

A

Located in the Midfacial Region

Horiz RO band superior to the apices of the Max teeth

21
Q

Ant Nasal Spine

A

Located in the Midfacial Region

Sharp bony projection of the Max located in the Ant-Inf portion of the nasal cavity

22
Q

Structures in the Man region

A
  • Glenoid fossa and articular eminence
  • Head of the condyle
  • Mandibular notch and coronoid process
  • Lingula and mandibular foramen
  • Mandibular canal and mental foramen
  • Inferior border
  • Angle of the mandible
  • Internal oblique ridge (mylohyoid ridge)
  • External oblique ridge
  • Styloid process
  • Ear lobes (mimic pathology)
23
Q

Glenoid Fossa and Art eminence

A

Structure in the Man Region
Concave RO superior to the Man condyle
RO projection of bone ant to the glenoid fossa

24
Q

Head of condyle

A

Structure in the Man Region

Bony rounded RO projection

25
Q

Man Notch and Coronoid process

A

Structure in the Man Region
RO concavity distal to the process
Triangular RO post to the Max tuberosity

26
Q

Lingual and Man foramen

A

Structure in the Man Region
Indistinct RO ant to the Man foramen
Ovoid RL within the Ramus

27
Q

Man canal and Mental Foramen

A

Structure in the Man Region
Tube like pasagewaythrough bone
opening in bone located on the buccal surface

28
Q

Inf border of the mandible

A

Structure in the Man Region

Smooth dense RO band that outlines the lower border of the mandible

29
Q

Angle of the mandible

A

Structure in the Man Region

RO structure that joins the rams to the man body

30
Q

Int oblique ridge

A

Structure in the Man Region

This ROband in the area of the rams usually below the apices of the man teeth

31
Q

Ext oblique ridge

A

Structure in the Man Region

RO band of varied width

32
Q

Styloid process

A

Structure in the Man Region

RO spine that extends from the temporal bone ant to the mastoid process

33
Q

Ear lobes

A

Structure in the Man Region

soft tissue structure that mimic pathology

34
Q

Teeth and Roots

A
  • Count the teeth
  • Look at the size and shape of the teeth
  • Evaluate the anatomy and size of roots
  • Look at the size and presence of the pulp
  • Evaluate the bone pattern around the roots
35
Q

White and Pharoah’s

5 steps to Interpretation

A

• Localize the abnormality
• Assess the periphery and shape
• Analyze the internal structure
• Analyze the effects of the lesion on surrounding
structures
• Formulate a radiographic interpretation