11 results
Cranial Nerve XII - Hypoglossal Nerve - Cross Sectional Nuclei Anatomy
 • Hypoglossal Nerve
 • Hypoglossal
Cross Sectional Nuclei ... • Hypoglossal Nucleus ... Hypoglossal #CNXII #CN12 ... #CranialNerve #Nuclei
Cranial Nerve X - Vagus Nerve - Cross Sectional Nuclei Anatomy
 • Vagus Nerve
 • Nucleus
Cross Sectional Nuclei ... Vagus Nerve • Nucleus ... of CN V • Nucleus ... #Vagus #CNX #CN10 ... #CranialNerve #Nuclei
Cranial Nerve XI - Accessory Nerve - Cross Sectional Nuclei Anatomy
 • Accessory Nerve
 • Nucleus
Cross Sectional Nuclei ... Accessory Nerve • Nucleus ... Accessory #CNXI #CN11 ... #CranialNerve #Nuclei
Tongue Fasciculations Secondary to Hypoglossal Nerve Damage

Most commonly associated with ALS - This LMN XII was
PhysicalExam #Clinical #Video ... HypoglossalNerve #CNXII #CN12
Bilateral LMN palsy with tongue weakness, wasting and fasciculations.  →  Bulbar motor Neuron disease

Note
hypoglossal #CNXII #CN12 ... #clinical #video
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
others: NT5c1A/cN1A ... MSAs #clinical #diagnosis
Right Hypoglossal Nerve Paralysis on Physical Exam

Note tongue deviation to the side of the weakness.

#Hypoglossal #Nerve
PhysicalExam #clinical #video ... neurology #CNXII #CN12
Tongue Fasciculations in Left Hypoglossal Nerve Palsy

- Atrophy of affected side
- Fasciculations
- Tongue deviates towards weak
#Palsy #CNXI #CN12 ... #clinical #video
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Associated Features: Diagnosis ... Autoantibodies: Anti-cN1A ... over years, often diagnosed ... #differential #diagnosis
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
In this video, you ... PhysicalExam #Clinical #Video ... HypoglossalNerve #CNXII #CN12