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Temporal Bone Imaging Anatomy - Facial Nerve

by Dr. Surjith Vattoth @drSurjthVattoth

#Temporal #Bone #Imaging #Anatomy #Facial #Nerve
Temporal Bone Imaging ... #Nerve #CN7 #CNVII ... #neuroradiology ... #neurology #radiology ... #CT
Temporal Bone Imaging Anatomy - Middle Ear Cavity: Epitympanum (Attic)
 • Körner septum (Petro-squamous lamina)
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Temporal Bone Imaging ... Anatomy - Middle ... #Epitympanum #neuroradiology ... #neurology #radiology ... #CT
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
consistent with bone ... There is also a bone ... disrupted at the anterior ... injury of the knee ... #mri #clinical
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Abdominal Reflex L2 Anterior ... Femoral Condyle ... None L4 Medial ... #differential #diagnosis ... #Neurology #Spine
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
- Atypical Temporal ... atypical symptoms): MRI ... , parotid), CT ( ... middle ear/temporal ... bone pathology)
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Elbow Extension C7 ... Fingers Flexion C8 Median ... Extension L3 Femoral ... #Orthopedics #Neurology ... #Diagnosis
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... presentation, temporal ... headache, altered mental ... Imaging: - MRI ... enhancement on CT