Skull/Fluro Flashcards
(120 cards)
- SKULL IS DIVIDED INTO:
- CRANIAL BONES ARE DIVIDED INTO _________ & _________.
- HOW MANY FACIAL BONES ARE THERE?
- CRANIUM (8 BONES)
- FACIAL (14 BONES) - CALVARIUM (SKULL CAP) & FLOOR (BASE)
- 14
- CALVARIUM IS AKA:
- CONSIST OF: - FLOOR. CONSIST OF:
- AKA:
- SKULLCAP
- FRONTAL, PARIETAL (2), OCCIPITAL - BASE
- ETHMOID, SPHENOID, TEMPORAL (2)
- WHAT ARE THE FACIAL BONES?
- HOW MANY OF EACH? - WHICH ARE INTERNAL?
- WHICH IS LARGEST?
- NASAL (2)
LACRIMAL (2)
MAXILLA (2)
ZYGOMATIC ()
PALETINE (2)
NASAL CONCAE (2)
VOMER (1)
MANDIBLE (1) - VOMER. & PALETINE
- MANDIBLE
- WHAT DOES SPHENOID BONE ARTICULATE WITH?
- WHAT IS SELLA TURCICA?
- WHICH BONE HAS GREATER AND LESSER WINGS?
- SPHENOID BONE
- CENTRAL SPHENOID BONE - PROTECTS PITUITARY GLAND
- SPHENOID
- THICKEST & DENSES CRANIUM BONE:
- WHICH CRANIAL BONE CONTAINS ORGANS OF HEARING AND BALANCE
- WHICH BONE CONSIST OF PETROUS PYRAMID & PETROUS RIDGE?
- PETROUS PORTION OF TEMPORAL BONE
- TEMPORAL BONE
- TEMPORAL BONES
- WHERE IS CRISTA GALLA LOCATED?
- LARGEST AND DENSEST FACIAL BONE?
- ONLY MOVABLE BONE IN SKULL?
- ETHMOID BONE
- MANDIBLE
- MANDIBLE
- LARGEST MOVEABLE BONE OF FACE?
- WHAT CAVITIES DO THE MAXILLA FORN?
- WHAT SINUS IS LOCATED IN MAXILLARY BONE?
- MAXILLARY BONE
2.MOUTH, NASAL CAVITY, & ORBITS
- MAXILLARY SINUS
- WHAT IS SUTURE?
- CRANIAL SUTURES:
- JUNCTIONS OF SUTURES:
- JOINTS OF CRANIUM, SYNARTHRODIAL JOINTS
- CORONAL, SAGGITAL, LAMBOIDAL & SQUAMOSAL
- BREGMA, LAMBA, PTERION & ASTERION
- TYPE OF JOINT ARE THE CRANIAL SUTURES?
- WHICH SUTURE SEPARATES FRONTAL BONE FROM PARIETAL BONES?
- WHICH SUTURE SEPARATE TWO PARIETAL FROM OCCIPITAL?
- WHICH SUTURE SEPARATES PARIETAL AT MIDLINE?
- WHICH SUTURE SEPARATES PARIETAL & TEMPORAL?
- SYNARTHRODIAL
- CORONAL
- LAMBDOIDAL
- SAGITTAL
- SQUAMOSAL
- MOST IMPORTANT SURFACE LANDMARKS
- HOW MANY FONTANELLE IN CHILD?
- ADULTS? - WHAT IS LOCATED AT TOP OF EAM?
IOML, OML & MML IMPORTANT
- 6
- 6 - PETROUS RIDGES
- WHAT IS REQUIRED FOR SINUS PROJECTIONS?
- WHAT ARE SINUS?
- GROUPS? (4) - WHERE ARE THEY LOCATED
- LARGEST?
- ERECT & HORIZONTAL CR (FOR AIR-FLUID LEVELS)
- LARGE AIR-FILLED CAVITIES
- MAXILLARY (2), FRONTAL (2), ETHMOID (SEVERAL) & SPHENOID (1 OR 2) - FRONTAL = FRONTAL BONE
- ETHMOID = ETHMOID BONE (ANTERIOR INFRONT OF SPHENOID)
- MAXILLARY = MAXILLARY BONE (LARGEST)
- SPHENOID = SPHENOID BONE
- WHICH IS MORE ANTERIOR, ETHMOID OR SPHENOID?
- SPHENOID SINUS IS LOCATED:
- LABEL IMAGE
- ETHMOID
- UNDER SELLA TURCICA
- A – Frontal Bone
B – Parietal Bone
C – Temporal Bone
D – Occipital Bone
E – Body of Sphenoid (sinus)
F – Pterygoid process
G – Pterygoid Hamulus
H – Vomer
I – Perpendicular Plate (ethmoid)
J – Cribriform Plate (ethmoid)
K – Crista galli
L – Frontal sinus
- LABEL IMAGE
- BASIC SKULL PROJECTIONS:
- SPECIAL SKULL VIEWS:
- A – Frontal Bone
B – Right Parietal
C – Right Temporal
D – Ethmoid
E – Sphenoid (left greater wing) - AP AXIAL (TOWNE)
PA/AP AXIAL (CALDWELL)
R OR L LATERAL - AP & AP AXIAL TRAUMA
CROSS TABLE LATERAL
SMV
AP AXIAL (TOWNE)
1. PERPENDICULAR LINES:
2. CR:
3. ANGLE:
4. ANATOMY:
5. POSITION OF HEAD
- PERPENDICULAR LINES: OML (IOML) & MSP PERP.
- CR: 2.5in ABOVE GLABELLA PASSING THROUGH FORAMEN MAGNUM
- ANGLE: 30* CAUDAD TO OML
- 37* IOML CAUDAD - ANATOMY: DORSUM SELLAE & POSTERIOR CLINOID PROCESS WITHIN FORAMEN MAGNUM
- CHIN TUCKED IN
PA OR PA AXIAL CALDWELL
1. PERPENDICULAR LINES:
2. CR:
3. ANGLE:
4. ANATOMY:
5. POSITION OF HEAD
- PERPENDICULAR LINES: OML & MSP PERP.
- CR: NASION
- ANGLE: 15* CAUDAD (CALDWELL)
- 0 * (PA AXIAL) - ANATOMY:
0* = PETRIOUS. RIDGES FILL ORBITS
15* = PETRIOUS RIDGES IN LOWER THIRDS
- FOREHEAD AND NOSE TO IR
R OR L LATERAL
1. PERPENDICULAR LINES:
2. CR:
3. ANGLE:
4. ANATOMY:
5. POSITION OF HEAD
- PERPENDICULAR LINES: IPL & IOML PERP IR
- SMP PARALLEL - CR: W IN SUPERIOR EAM
- ANGLE: N/A
- ANATOMY: SELLA TURCICA INN PROFILE
- ANTERIOR AND POSTERIOR CLINOID PROCESS OF DORSUM SELLA
- SIDE INTEREST CLOSER IR, TURN HEAD IN TRUE LATERAL
- WHEN DO YOU USE IOML REGULARLY?
- AP & AP AXIAL TRAUMA (REVERSE CALDWELL)
- PERPENDICULAR LINES:
- CR:
- ANGLE:
- ANATOMY:
- LATERAL & SMV REGULARLY
- PERPENDICULAR LINES: OML & MSP
- CR: NASION
- ANGLE: 0* (AP)
- 15* CEPHALAD (REVERSE CALDWELL) - ANATOMY: SAME AS CALDWELL
SMV CRANIAL BASE
1. PERPENDICULAR LINES:
2. CR:
3. ANGLE:
4. ANATOMY:
5. POSITION OF HEAD
- PERPENDICULAR LINES: IOML PARALLEL
- CR PERP IOML
- MSP PERP IR - CR: THROUGH SELLA TURCICA (3/4 IN ANTERIOR EAM) PERP TO IOML
- ANGLE: N/A
- ANATOMY: CRANIAL BASE
- FORAMEN OVALE & SPINOSUM
- BENT BACK
- ON A LATERAL SKULL, WHAT SHOULD BE SUPERIMPOSED?
- ROTATION ON LATERAL SKULL INDICATED BY:
- TILTING ON LATERAL SKULL INDICATED BY:
- ORBITAL ROOFS, EXTERNAL MEATI, MANDIBULAR RAMI & TMJ JOINTS
- ROTATION = ANTERIOR & POSTERIOR SEPARATION OF MANDIBULAR RAMI
- TILTING = SUPERIOR AND INFERIOR SEPARATION OF ORBITAL ROOFS
- ROUTINE FACIAL / NASAL PROJECTIONS:
- ADDITIONAL FACIAL / NASAL PROJECTIONS:
- PA AXIAL CALDWELL
- PARIETOACANTHIAL (WATERS)
- LATERAL (R OR L) - MODIFIED PARIETOACANTHIAL (MODIFIED WATERS)
PA AXIAL CALDWELL - FACIAL BONES
1. PERPENDICULAR LINES:
2. CR:
3. ANGLE:
4. ANATOMY:
5. POSITION OF HEAD
- PERPENDICULAR LINES: OML & MSP
- CR: NASION
- ANGLE: 15* CAUDAL OR 30* CAUDAL
- ANATOMY: GENERAL SURVEY OF FACIAL BONES
- 15* = PETR. RIDGES LOWER 2/3 ORBITS
- 30* = PETR RIDGES INFERIOR MARGIN ORBITS - FOREHEAD AND NOSE ON IR
PARIETOACANTHIAL (WATERS) - FACIAL BONES
1. PERPENDICULAR LINES:
2. CR:
3. ANGLE:
4. ANATOMY:
5. POSITION OF HEAD
- PERPENDICULAR LINES: MML PERP.
- OML 37* - CR: ACANTHION
- ANGLE: N/A
- ANATOMY: PETROUS RIDGES BELOW MAXILLARY SINUS’
- TIP CHIN AGAINST IR
LATERAL FACIAL BONES
1. PERPENDICULAR LINES:
2. CR:
3. ANGLE:
4. ANATOMY:
5. POSITION OF HEAD
- PERPENDICULAR LINES: IPL
- OML PERP FRONT EDGE OF IR - CR: ZYGOMA (BETWEEN OTHER CANTHUS & EAM)
- ANGLE: N/A
- ANATOMY: SELLA TURCICA & SUPERIMP. MANDIBULAR RAMI / ORBITAL ROOFS
- TRUE LATERAL ,SIDE INTEREST CLOSER IR
MODIFIED PARIEOACANTHIAL (MODIFIED WATERS) FACIAL BONES
1. PERPENDICULAR LINES:
2. CR:
3. ANGLE:
4. ANATOMY:
5. POSITION OF HEAD
- PERPENDICULAR LINES: OML 55*
- CR: ACANTHION
- ANGLE: N/A
- ANATOMY: PETR. RIDGES IN SHADOWS OF MAXILLARY SINUS’
- ORBITAL FLOORS MIN. DISTORTION
- BLOWOUT FX - CHIN AND NOSE ON IR