back pain history Flashcards
associated symptoms
any other changes cancer incontinence or difficulty passing urine bowel and bladder symptoms numbness, tingling, leg weakness, peri-anal numbness
red flags
onset age >55 or <20 nocturnal pain history of carcinoma progressive neurological deficit disturbed gait, saddle anaesthesia leg claudication constant or progressive pain morning stiffness constitutional symptoms (fevers, weight loss, night sweats) current or recent infection bladder or bowel dysfunction immunosupression
causes of back pain 15-30
trauma
fracture
prolapsed disc
ankylosing spondylitis
causes of back pain 30-50
degenerative disease
prolapsed disc
malignancy
causes of back pain >50
degenerative disease
osteoporosis
malignancy
myeloma
What cancers are most likely to metastasise to spine?
breast lung prostate kidney thyroid
management of back pain
examination pain relief lumbar X-ray or MRI scan none scan / skeletal survey specialist input
Aetiology of mechanical back pain
low back pain arising from an anatomical structure such as a muscle, ligament, or IV disc due to trauma, deformity or degenerative change
Osteoporotic fracture
Clinical presentation of mechanical back pain
sudden onset eased by rest unilateral symptoms increased by coughing / sneezing previous episodes, clear mechanical precipitant
Aetiology of inflammatory back pain
inflammatory spoldylitis
infection (epidural abscess)
malignancy
paget’s disease
Clinical presentation of inflammatory back pain
predominant stiffness (greater than 30 mins in morning)
gradual onset and progressive
increased pain with rest
disturbs sleep
stiff / rigid spine on examination, symmetrical restriction +/- sacroiliac joint tenderness
Describe cauda equina syndrome
compression of cauda equina
prolapsed disc herniation
metastases
persistant and progressive, bilateral leg pain, normal leg pulses, pain eased on sitting forward, stiff spine on examination, bladder / bowel dysfunction
Describe sciatica
pain radiates from buttock down back of the leg and into the foot
paraesthesia in ipsilateral side
compression of lumbo-sacral nerve root by protruding disc
usually managed with analgesia and physiotherapy
surgery sometimes
investigations for non-mechanical back pain
CRP / ESR RBC calcium and phosphate ALP protein electrophoresis blood cultures if appropriate imaging rheumatoid factor anti-CCP antibodies