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IS-CSA II 302
Sectional Anatomy -II
Final assessment
Marziyeh Takneshan
2019mi10
Cross Sectional
Anatomy
Students are expected to complete the
set work independently. The questions
are included at the end of this handout.
The tutorial is comprised of 2 parts
1. Labeling of CT images
2. Labeling of MRI scans
Normal CT brain: Base of
Skull
1. Perpendicular of the ethmoid
bone / nasal septum
3. Inferior nasal concha
5. maxillary sinus
8. maxilla bone
10. Lateral pterygoid
11. Medial pterygoid
13. masseter muscle
14. mandible
24. Splenius capitis muscle
25. Trapezius muscle
32. spinal cord
35 / 36 . occipital condyle
39. dens of axis
42. nasopharynx
answer
Normal CT
brain
1. Nasal septum
2. . Vomer / Perpendicular of the
ethmoid bone
3. Inferior nasal conchae
5. maxillary sinus
9. zygomatic bone
11. masseter muscle
23. condyle of mandible
25. mastoid air cells
26. occipital condyle
27. occipital bone
29. spinal cord
47. nasopharynx
Normal CT
1. deviated nasal septum
2. Vein / duct
4. Maxillary sinus
9. maxilla bone
11/13. zygomatic bone
17. head of Mandible
19. External auditory meatus
/canal
20. mastoid air cells
23. Trapezius muscle
24. occipital bone
27. Cerebellum hemisphere
34. Pons / medulla
41. foramen oval/ internal carotid
artery
42. horizontal bony plate
Normal CT
4. Ethmoid / nasal bone
10. Left orbit
13. Perpendicular plate of
ethmoid bone
15. zygomatic bone
17. sphenoid bone (Greater wing)
23. Cerebellum hemisphere
24. Mastoid air cells
27. trapezius muscle
28. external occipital
protuberance
32. forth ventricle
45. external auditory meatus
47. IACs
49. medial rectus
50. lateral rectus
Normal CT
brain
7. Nasopharynx / Sphenoidal
sinus
11. Left orbit
14. Zygomatic bone
15. medial rectus
16. optic nerve
17. lateral rectus
18. sphenoid bone (Greater wing)
20. temporal bone
22.mastoid air cells
25. occipital bone
26. superior sagittal sinus / Falx
cerebelli
32. forth ventricle
34. cerebellum
37.basilar artery
39. temporal lobe
41. crista galli
42. external auditory canal
Normal CT
brain
5. Frontal sinus
15. Parietal bone
16. Temporal bone
20. Occipital bone
22. Falx cerebri
27. cerebellum
33. Basilar artery
37. pituitary gland
44. left side Temporal lobe
45. sphenoid body bone / Sella
turcica
47. Mastoid air cells
49. pons
50. forth ventricle
Normal CT
brain
5. Superior frontal gyrus /
frontal bone
11. Temporal bone
15. Parietal bone
17. Occipital bone
23. vermis of the cerebellum
26. cerebral aqueduct (of
Sylvius)
30. midbrain
32. third ventricle
41/42 . sylvian fissure
48. ambient cistern /
quadrigeminal cistern
49. temporal lobe
50. mammillary bodies
Normal CT
brain
4. frontal bone
5. Parietal bone
17. Superior sagittal sinus
19. falx cerebri
28. Third ventricle
27/ 29. thalamus
30. sylvian fissure/ circular sulcus
38. Anterior limb of internal capsule
39. Caudate nucleus
40. genu of the corpus callosum
42. frontal horn of the lateral ventricle
44. quadrigeminal cistern / Forth
ventricle
46. Septum pellucidum
Normal CT
1. frontal bone
2. Parietal bone
10. Superior sagittal sinus
11. falx cerebri
15. body of lateral ventricle
16. posterior of the lateral
ventricle
26. body of lateral ventricle
27. Caudate nucleus
29. septum pellucidum
35. Genu of corpus callosum
38. cingulate gyrus
Normal CT
1. Frontal bone/ Superior frontal
gyrus
2. Parietal bone/ Central sulcus
12. Superior sagittal sinus
19. Corona radiata / centrum
semiovale
Normal CT
1. frontal bone/ Superior frontal
gyrus
2. parietal bone/ Central sulcus
12. Falx cerebri
15. corona radiata
Normal CT
1. Superior frontal gyrus / frontal
bone
2. Postcentral sulcus / Parietal
bone
7. Falx cerebri
8. Precentral sulcus
Normal CT
1. Frontal bone
2. Parietal bone
11. Falx cerebri
A
Normal MRI
Brain
B
C
D
E
A. Superior temporal gyrus
B. Temporal lobe
C. pons
D. Forth ventricle
E. Vermis of cerebellum
F
G
H
I
Normal MRI
Brain
F. Gyrus rectus
G. midbrain
H. superior cerebellar peduncle
I. Midbrain tegmentum
/quadrigeminal cistern
J
K
L
M N
O
Normal MRI
Brain
J. Falx cerebri
K. anterior limb of the internal
capsule
L. globus pallidus
M. Third ventricle
N. inferior colliculus
O. Superior sagittal sinus
P
Q R
S
T
Normal MRI
Brain
P. anterior limb of the internal
capsule
Q. Third ventricle
R. Thalamus
T. Pineal gland
S. Calcified choroid plexus /
trigone of the lateral ventricle
W
V
U
Normal MRI
Brain
W. Genu of corpus callosum
V. Septum pellucidum
U. Third ventricle
X
Normal MRI
Brain
Y
Z
X. Corona radiata
Y. Precentral sulcus / white
matter
Z. Straight sinus
1
2
Normal MRI
Brain
4
5
6
7
8
9
3
10
1.Frontal lobe
2.clivus
3. medulla
4. Spinal cord
5. cerebellum
6. Corpus callosum splenium / pineal
gland
7. midbrain
8. Pons
9. IV ventricle
10. hypothalamus
11
13
12
15
14
Normal MRI
Brain
11. Falx cerebri
12. fornix
13. Cerebrum / Caudate
nucleus
14. Temporal lobe
15. Lateral sulcus