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CC9 - Back Pain
Back pain relating to Rheum and Ortho
112
Medical
Undergraduate 1
05/19/2015

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Cards

Term
What does acute low back pain without radiation into the leg suggest?
Definition
Simple mechanical low back pain
Term
How is the location of the pain from simple mechanical low back pain classically described?
Definition
As a band across the back.
Term
What do weight loss, anaemia and general ill health on initial inspection suggest?
Definition
Malignancy
Term
A stooped posture with flexion of the knee suggests what?
Definition
Sciatica
Term
What is your first thought as to the diagnosis when a frail old lady with a stooped posture presents?
Definition
Osteoporotic fractures
Term
What two conditions are likely with a very stiff spine?
Definition
Simple low back pain or AS.
Term
Where is pathology likely to exist in a patient with an antalgic or trendelenburg gait?
Definition
The hip
Term
Where will often be tender in simple low back pain?
Definition
Around the posterior superior iliac spine and sacroiliac joint.
Term
When should blood tests be carried out in a case of back pain and why?
Definition
In patients over 55 to exclude sinister sources, or as guided by clinical suspicions.
Term
An___ia can be found in Ma_____cy
Definition
Anemia can be found in malignancy.
Term
What two reasons might blood biochemistry be necessary?
Definition
To help confirm malignancy or to exclude abdominal causes.
Term
Why would you check immunoglobulins and bence jones protein in back pain?
Definition
To exclude myeloma
Term
In what instance should plain x-rays of the spine be taken routinely?
Definition
Trauma
Term
When will an x-ray appear normal, even if low back pain, prolapsed disc, malignancy or infection are present?
Definition
Early in the disease process.
Term
In low back pain, name 5 things to look for in an x-ray of the spine
Definition
OA changes
Spondylolisthesis
Destruction of the vertebral body, classically the pedicle (winking owl sign)
Fracture
Erosion of the vertebral body around the disc due to infection.
Term
Give three known risk factors for back pain.
Definition
Smoking
Having a medicolegal case pending
Age > 30
Term
Do patients with a short history (less than 6 weeks) of mechanical back pain symptoms normally require further investigations?
Definition
No.
Term
Do patients with a long history (more than 6 weeks) of mechanical back pain symptoms normally require further investigations? WHy?
Definition
Yes. In order to exclude sinister causes
Term
Should any blood tests be abnormal in mechanical back pain? If so, what?
Definition
No.
Term
Are MRI or CT normally heloful in investigating mechanical back pain?
Definition
No.
Term
What treatment should be avoided in acute low back pain?
Definition
Bed rest.
Term
Give three conservative treatment options for acute low back pain.
Definition
Analgesia
NSAIDs
Physiotherapy
Term
What is the rare occasion where surgery may be an option to cure acute low back pain?
Definition
Degenerative disk disease.
Term
When does acute low back pain become extremely difficult to treat?
Definition
When it becomes chronic.
Term
What kind of approach does acute low back pain that has become chronic require?
Definition
An MDT approach.
Term
What happens in an intervertebral disk prolapse?
Definition
Part of the nucleus pulposus herniates through the annulus fibrosus and presses on a spinal nerve root.
Term
What is the usual age range for presentation with a prolapsed intervertebral disk?
Definition
35-55
Term
Give two risk factors for a disc prolapse.
Definition
Manual work involving heavy lifting
Regular car use.
Term
Where on the disk does herniation tend to occur, and why?
Definition
Posterolaterally, because the annulus is thinner here.
Term
If a patient has a disc prolapse with back pain but no sciatica or cauda equina or any other neural involvement, what does that tell you?
Definition
That there is no spinal root involvement.
Term
Give two levels that a disc prolapse is commonly found at.
Definition
L5-S1, L4-L5
Term
Which nerve root does an L4-L5 disc prolapse press on?
Definition
L5
Term
What is the main symptom of lower lumbar or sacral nerve root irritation?
Definition
Sciatica.
Term
Describe the symptoms of sciatica
Definition
There is severe pain radiating down the leg as far as the toes. There may be numbness or tingling or weakness of the foot. Patients find it very uncomfortable to sit, and either stand or lie down. Coughing and sneezing worsens the pain.
Term
Describe the symptoms of cauda equina syndrome.
Definition
Bladder and bowel dysfunction with possible urinary retention and saddle anaesthesia.
Term
What are bilateral leg symptoms combined with those of a prolapsed intervertebral disc suggestive of?
Definition
Impending cauda equina.
Term
Give a test that will be positive in sciatica.
Definition
Straight leg raise.
Term
Give a sign that may be positive in sciatica
Definition
Crossover sign.
Term
Upon digital rectal examination, what will you find in cauda equine.
Definition
Loss of anal tone and reduced perianal sensation.
Term
Why would an x-ray be carried out in suspected disc prolapse.
Definition
TO exclude dony pathology such as spondylolisthesis
Term
What is the scan of choice for patients with persistent symptoms of disc prolapse?
Definition
MRI
Term
Describe the conservative treatment of a prolapsed disc.
Definition
A short period of bed rest followed by gentle physiotherapy with appropriate analgesia.
Term
Give the two only indications for urgent surgical discectomy.
Definition
Cauda equina syndrome and progressively worsening neurological deficit.
Term
When might non-urgent surgery be considered in the case of a prolapsed disc?
Definition
In the cause of prolonged irretractable back pain longer than 9 months.
Term
What percentage of acute disc prolapses resolve spontaneously?
Definition
70%
Term
Define spondylolisthesis
Definition
The slipping of one vertebral body on another.
Term
What percentage of the population have a spondylolisthesis?
Definition
5%
Term
Give two sports that predispose someone to spondylolisthesis.
Definition
Gymnastics
Cricket (fast bowlers)
Term
Can spondylolysis cause spondylolisthesis?
Definition
Yes.
Term
What is the most common cause of persistent back pain in children?
Definition
Spondylolisthesis
Term
Where does a spondylolisthesis normally occur?
Definition
L5-S1
Term
What two deformities of the spine can be associated with spondylolisthesis?
Definition
Kyphosis and scoliosis
Term
Is the slip in spoldylolisthesis becomes severe, wha tcan occur and what does this cause?
Definition
Nerve root irritation can occur, causing sciatica.
Term
What movement of the spine is classically painful in spondylolisthesis?
Definition
Hyperextension
Term
In a spondylolisthesis, what may be shown on an oblique x-ray?
Definition
Collar on scottie dog sign.
Term
In a spondylolisthesis, what will be shown on a lateral x-ray?
Definition
The degree and angle of slippage.
Term
In spondylolisthesis, when should and MRI be performed?
Definition
In suspected nerve root irritation.
Term
Describe the conservative treatment of a spondylolisthesis that hasn't slipped.
Definition
Initial rest and restriction of activities to prevent a slip, followed by physiotherapy, analgesia and activity modification.
Term
Give three indications in spondylolisthesis for surgery.
Definition
Persistent pain
Radiculopathy
Significant deformity.
Term
Define spinal stenosis.
Definition
Degenerative changes of the spine, narrowing the spinal canal and causing compression of the nerve roots.
Term
Which group of people does spinal stenosis most commonly affect?`
Definition
men over the age of 50.
Term
What kind of occupation has an increased risk of spinal stenosis?
Definition
Heavy manual labour.
Term
What is spinal stenosis normally secondary to?
Definition
Degenerative changes of the spine.
Term
What exacerbates the pain in spinal stenosis?
Definition
Extension of the spine.
Term
What relieves the pain of spinal stenosis.
Definition
Rest and flexion of the spine.
Term
Where is pain commonly referred to in spinal stenosis?
Definition
The buttock, calves and feet.
Term
What daily activity typically causes discomfort in spinal stenosis?
Definition
Walking.
Term
What will the sciatic stretch test in spinal stenosis be?
Definition
Positive or normal.
Term
What will examination of a patient with spinal stenosis reveal?
Definition
Stiffening of the spine.
Term
What other system is important to examine in patients with spinal stenosis and why>
Definition
The peripheral vascular system as vascular claudication presents in much the same way.
Term
What will an x-ray typically show in spinal stenosis?
Definition
Degenerative changes to the spine.
Term
What will and MRI show in spinal stenosis?
Definition
The degree of stenosis and nerve root involvement.
Term
What kind of imaging would you use to exclude peripheral vascular insufficiency?
Definition
Doppler scans.
Term
Give four conservative treatments for spinal stenosis.
Definition
Weight loss
NSAIDS
Activity modification
Physiotherapy.
Term
What is the prognosis of spinal stenosis?
Definition
It tends to be progressive.
Term
What is discitis?
Definition
Infection of the disc space.
Term
What is vertebral osteomyelitis?
Definition
Infection of the vertebral body.
Term
What age can vertebral osteomyelitis and discitis present?
Definition
Any age.
Term
In adults, what are the common infecting organisms in vertebral osteomyelitis and discitis?
Definition
Staphylococci and steptococci.
Term
In children, what are the common infecting organisms in vertebral osteomyelitis and discitis?
Definition
Staphylococci and haemophilus.
Term
As well as Staphylococci and steptococci as infecting organisms in vertebral osteomyelitis and discitis in adults, what other infecting organism should be considered?
Definition
Tuberculosis
Term
What kind of conditions predispose someone to vertebral osteomyelitis and discitis?
Definition
Those associated with other bone or joint infections.
Term
What should you be thinking when a patient that is unwell with pyrexia presents with severe, unrelenting back pain?
Definition
Vertebral osteomyelitis or discitis.
Term
What may be revealed on examination of someone with vertebral osteomyelitis ordiscitis?
Definition
A swelling, and in severe cases, an angular scoliosis or kyphosis.
Pain on palpation, reduced movement and possible abnormal neurology.
Term
Describe the WCC, ESR and CRP of someone with vertebral osteomyelitis or discitis.
Definition
All elevated.
Term
What may show on an x-ray of someone with vertebral osteomyelitis?
Definition
Bony destruction.
Term
What may show on an x-ray of someone with discitis?
Definition
Narrowed disc space.
Term
What will be shown on a bone isotope scan of someone with vertebral osteomyelitis or discitis?
Definition
Hot spots in the affected area.
Term
Why should you perform an MRI in the case of vertebral osteomyelitis or discitis?
Definition
To check for any epidural abscess.
Term
What should be obtained for culture and sensitivity in vertebral osteomyelitis or discitis?
Definition
A CT guided biopsy.
Term
What is the conservative treatment for vertebral osteomyelitis or discitis?
Definition
A 6-week course of IV antibiotics, with a prolonged course of oral antibiotics if required.
Term
What is the surgical treatment for vertebral osteomyelitis or discitis?
Definition
Any abscess should be drained, and an unstable spin with significant deformity needs stabilisation.
Term
What needs to happen to any abscess occuring in vertebral osteomyelitis or discitis?
Definition
It needs to be drained.
Term
What is the prognosis of vertebral osteomyelitis or discitis in children?
Definition
good, children respond well and should return to normality.
Term
What is the prognosis of vertebral osteomyelitis or discitis in adults with severe infection?
Definition
Poor, can be life-threatening, with surgery carrying significant risk.
Term
What is scoliosis?
Definition
Lateral deviation and rotational abnormality of the spine.
Term
What is the incidence of idiopathic scoliosis?
Definition
2.5%
Term
What are the four types of causes of scoliosis?
Definition
Congenital
Idiopathic
Neuromuscular
Secondary
Term
What is the pathology of a congenital scoliosis?
Definition
Abnormal development of the spine.
Term
What is the pathology of a neuromuscular scoliosis?
Definition
Abnormal muscle forces on the spine.
Term
What is the pathology of a secondary scoliosis?
Definition
The curve develops secondary to another process.
Term
What type of scoliosis is that caused by hemivertebra?
Definition
Congenital
Term
What type of scoliosis is that caused by cerebral palsy?
Definition
Neuromuscular
Term
What type of scoliosis is that caused by leg length discrepancy?
Definition
Secondary
Term
Is pain normally a feature of scoliosis?
Definition
No.
Term
On clinical examination, when is the rib hump from scoliosis more prominent?
Definition
Forward flexion.
Term
What life-threatening consequence can severe scoliosis have?
Definition
It can limit chest expansion.
Term
What is often an indication for surgical stabilisation in scoliosis?
Definition
A significant increase in the severity of the curve.
Term
Why are MRI scans performed in scoliosis?
Definition
To exclude any associated spinal cord abnormality.
Term
For mild to moderate curves, what is the initial conservative treatment for scoliosis?
Definition
Bracing.
Term
What will all congenital, some neuromuscular and severe or progressive idiopathic scoliosis require?
Definition
Surgical stabilisation, fusion and correction.
Term
How can severe curves in neuromuscular scoliosis cause death?
Definition
Cardiorespiratory compromise.
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