Disorders of the PNS Flashcards
What is a nerve issue arising at the nerve root known as?
Radiculopathy/Ganglionopathy
What is a nerve issue arising at a nerve plexus known as?
Plexopathy
What are some forms of peripheral neuropathy?
Mononeuropathy - 1 nerve affected
Mononeuritis multiplex
Peripheral neuropathy (length dependant)
Where is the most common entrapment site of the median nerve?
Carpal tunnel (Wrist)
Where is the most common entrapment site of the ulnar nerve?
Cubital tunnel (Elbow)
Where is the most common entrapment site of the radial nerve?
Spiral groove of humerus
Where is the most common entrapment site of the posterior interosseous nerve?
Supinator muscle (Forearm)
Where is the most common entrapment site of the lateral cutaneous nerve of thigh?
Inguinal ligament
Where is the most common entrapment site of the common perineal nerve?
Neck of fibula
Where is the most common entrapment site of the posterior tibial nerve?
Tarsal tunnel (Flexor retinaculum - foot)
What is foot drop a sign of?
Disease or trauma affecting the common peroneal nerve
What is mono neuritis multiplex?
A condition in which there is damage to 2 or more distinct nerve areas
What peripheral nerve condition is shown?
Mononeuritis multiplex
What are some conditions that can cause mononeuritis multiplex?
- Diabetes mellitus
- Leprosy
- Vasculitis, including eosinophilic granulomatosis with polyangiitis amyloidosis (most common cause)
- Malignancy
- Neurofibromatosis
- HIV and hepatitis C infection
- Multifocal motor neuropathy with conduction block
What are some forms of polyneuropathy?
Hereditary sensory motor neuropathy
Guillain-Barré syndrome
Idiopathic
Metabolic
Toxic
Autonomic
What is the old name for hereditary sensory motor neuropathy?
Charcot-Marie-Tooth disease