Professor Dr.Muhammad Ajmal Dr.Tehmina Nazir. HOLY FAMILY HOSPITAL Rawalpindi
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1 Professor Dr.Muhammad Ajmal Dr.Tehmina Nazir HOLY FAMILY HOSPITAL Rawalpindi
2
3 SCHEME OF PRESENTATION PLAIN X-RAYS CT SCAN MRI CONCLUSION
4 IMAGING MODALITIES PLAIN X-RAYS CT SCAN MRI
5 OCCIPITOMENTAL/WATER S VIEW Maxillary and Frontal sinuses
6 ..OCCIPITOMENTAL VIEW
7 OCCIPITOFRONTAL/CALDWELL VIEW Frontal and ethmoid sinuses
8 .OCCIPITOFRONTAL VIEW
9 LATERAL VIEW
10 ..LATERAL VIEW
11 BASAL VIEW
12 IMAGING MODALITIES PLAIN X-RAYS CT SCAN MRI
13 CT AXIAL IMAGES Frontal sinus Orbital cavity Sphenoid bone
14 Globe Nasal cavity.ct AXIAL IMAGES Optic nerve Medial rectus Ethmoid sinuses Pituitary fossa Sphenoid sinus Dorsum sellae
15 Globe.CT AXIAL IMAGES Nasal septum Ethmoid sinuses Sphenoid sinus Clivus
16 Nasolacrimal duct Turbinate Zygomatic arch Septum.CT AXIAL IMAGES Maxillary sinus Mandibular condoyle
17 .CT AXIAL IMAGES Ground lamella Sphenoid recess
18 CT CORONAL IMAGES Anterior clinoid process Zygomatic arch Pterigoid plate Sphenoid sinus septum Nasopharynx Mandible
19 Sphenoid sinus Middle turbinate.ct CORONAL IMAGES Inferior turbinate Zygomatic arch Mandible
20 Orbit.CT CORONAL IMAGES Middle turbinate Ethmoid sinuses Zygomatic arch Inferior turbinate Mandible
21 Frontal bone Medial rectus Zygomatic arch Superior oblique muscle.ct CORONAL IMAGES Optic nerve Lateral rectus Inferior rectus Middle turbinate Inferior turbinate Hard palate
22 Frontal sinus.ct CORONAL IMAGES Frontal bone Globe Nasal septum Inferior turbinate Maxillary sinus
23 Frontal sinus.ct CORONAL IMAGES Nasal cavity Nasal bone Teeth
24 Superior turbinate.ct CORONAL IMAGES Ethmoid bulla Ethmoidal infundibulum Ethmoid bulla Middle turbinate Inferior turbinate Hiatus semilunaris Uncinate process
25 Frontal bone CT SAGITTAL IMAGES Orbit Maxillary sinus
26 Frontal sinus.ct SAGITTAL IMAGES Orbital cavity Optic nerve Inferior orbital fissure Maxillary sinus
27 .CT SAGITTAL IMAGES Frontal sinus Maxillary sinus Teeth
28 Frontal sinus Nasal bone.ct SAGITTAL IMAGES Ethmoid sinus Sphenoid sinus Inferior turbinate Hard palate
29 Frontal sinus.ct SAGITTAL IMAGES Hypophyseal fossa Nasopharynx Clivus Atlas;anterior arch Dens of axis
30 Frontal sinus.ct SAGITTAL IMAGES Ethmoids Sphenoid M.Turbinate I. Turbinate Clivus Hard palate
31 OSTIOMEATAL COMPLEX Most complex region in the lateral wall of the nasal cavity
32 ANATOMICAL VARIANTS ON CT HALLER CELLS
33 AGAR NASI CELLS.ANATOMICAL VARIANTS
34 .ANATOMICAL VARIANTS
35 .ANATOMICAL VARIANTS
36 ONODI CELL.ANATOMICAL VARIANTS
37 .ANATOMICAL VARIANTS
38 MISCELLENOUS ANATOMICAL VARIANTS Uncinate process anomalies Bilateral carotid artery protrusion into sphenoid sinus Supreme turbinate Paradoxical turbinate Accessory turbinates Absence of basal or ground lamella Suprabullbar recess
39 IMAGING MODALITIES PLAIN X-RAYS CT SCAN MRI
40 MRI T 1 AXIAL IMAGES Globe Right temporal lobe Basilar Artery Optic nerve Internal carotid artery Pons Fourth ventricle Vermis
41 Right orbotal cavity Right temporal lobe MRI T 1 AXIAL IMAGES Nasal septum Sphenoid sinus Internal carotid Aa Pons Trigeminal nerve Fourth ventricle
42 Right maxillary sinus Right temporal lobe MRI T 1 AXIAL IMAGES Left maxillary sinus Sphenoid sinus Pons Fourth ventricle
43 Right maxillary sinus Basilar artery Septum MRI T 1 AXIAL IMAGES Lateral cerebellomedullary cistern Medulla vermis Cerebellar hemisphere
44 Turbinate MRI T 1 AXIAL IMAGES Maxillary sinus Clivus Cerebellar peduncle Medulla Cerebellar tonsil
45 R maxillary sinus MRI T 1 AXIAL IMAGES L maxillary sinus Mandible Nasopharynx Cerebellopontine cistern Cerebellar hemisphere
46 MRI T1 SAGITTAL IMAGES Globe Left frontal gyri Maxillary sinus Transverse sinus Left temporal gyri Cerebellar hemisphere
47 Globe MRI T1 SAGITTAL IMAGES Lateral ventricle Maxillary sinus Occipitotemporal gyri Transverse sinus Cerebellar hemisphere
48 Globe MRI T1 SAGITTAL IMAGES Lateral ventricle Maxillary sinus Occipito-temporal gyri Tranaverse sinus Hippocampus Cerebelar hemisphere
49 Amygdale Optic nerve MRI T1 SAGITTAL IMAGES Lateral ventricle Globe Inferior rectus muscle Maxillary sinus Occipitotem[poral gyri Transverse sinus Cerebellar hemisphere Hippocampus
50 Lateral ventricle MRI T1 SAGITTAL IMAGES Parietooccipital fissure Maxillary sinus Transverse sinus Caudate nucleus Cerebellum Thalamus
51 Lateral ventricle MRI T1 SAGITTAL IMAGES Frontal sinus Parieto-occipital fissure Calcarine fissure Maxillary sinus Transverse sinus Cerebellum
52 Corpus callosum Singular gyrus Post-central gyrus MRI T1 SAGITTAL IMAGES Parieto-occipital fissure Calcarine fissure Precentral gyrus Cerebellar hemisphere
53 Singular gyrus Corpus callosum Pre-central gyrus MRI T1 SAGITTAL IMAGES Central sulcus Parieto-occipital fissure Calcarine fissure Post-central gyrus Superior sagital sinus Cerebellar hemisphere
54 MRI T 2 CORONAL IMAGES Inferior frontal gyrus Corpus callosum Middle frontal gyrus Inferior frontal gyrus Lateral Pterigoid muscle Lateral ventricle Temporal pole Medial pterigoid muscle
55 Superior frontal gyrus Middle F G Inferior FG Gyrus rectus Ethmoid Sinuses MRI T 2 CORONAL IMAGES Meningioma Optic nerve Temporal pole Lateral Pterigoid muscle Medial pterigoid muscle
56 Superior frontal gyrus Gyrus rectus Medial Orbital gyrus Mandible MRI T 2 CORONAL IMAGES Inferior FG Meningioma Temporal muscle Optic nerve Medial pterigoid muscle Masseter muscle
57 Superior FG MRI T 2 CORONAL IMAGES Middle frontal G Gyrus rectus Tyrbinate Inferior frontal gyrus Medial orbital G
58 Superior FG MRI T 2 CORONAL IMAGES Temporal muscle Medial Rectus muscle Masseter muscle Inferior turbinate
59 Superior frontal G Globe MRI T 2 CORONAL IMAGES Maxillary sinus Middle frontal G Mandible
60 CONCLUSION Anatomically paranasal sinuses are in close contact with:- Anterior cranial fossa Cribriform plate Internal carotid arteries Cavernous sinuses Orbits Optic nerves Radiologist must select most informative imaging modality
61
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