MSK general points Flashcards
IgA inflammatory vasculitis causing red spots on buttocks after infection - self limiting - seen in children
Hinoch Scholein purpura (vasculitis)
Pain in posterior ankle seen in older people after exercise (or athletes) - associated with overuse
Achilles tendonitis
Sudden pain in posterior leg (like being kicked) - simmonds test positive
Achilles rupture
Knee pain and swelling after “twisting” injury - Lachmans test +ve
ACL rupture
Lower back pain & reduced movement - wall to occput test & Schober test - HLA-B27
Ankylosing spondylitis
Seen in teenage girls - NSAIDs & reassurance needed
Anterior knee pain
Disruption of blood supply to bone
Avascular necrosis (AVN)
Pain in elbow, hip (over greater trochanter) - NSAIDs, rest, Corticosteroids
Bursitis
Pain in elbow, hip (over greater trochanter) - NSAIDs, rest, Corticosteroids
Bursitis
Saddle anasthesia, urinary retention, faecal incontinence - urgent MRI & surgery
Cauda equina syndrome
Lack of oxygen during or shortly after birth
Cerebral palsy
Malignant tumour producing cartilage
Chonrosarcoma
Surgical emergency of the knee - may cause damage to popliteal artery
Combined knee ligament ruptures & knee dislocation
Hip displacement in children - seen more commonly in female babies - Pavlik harness
Development dysplasia of the hip
Common - usually medial - pops back in itself
Dislocation and subluxation of the patella
Trisomy 21 - atlanto-axial subluxation - may cause nerve compression
Downs syndrome
Trisomy 21 - atlanto-axial subluxation - may cause nerve compression
Downs syndrome
Mutation of type 3 collagen - causes stretchy skin & recurrent joint dislocation - boney fixation
Ehlers‐Danlos syndrome
Joint pain related to IBD - HLA-B27
Enteropathic arthritis
Small vessel vasculitis - especially in the nose - P-ANCA with to EPO
Eosinophilic granulomatosis with polyangitis - churg-strauss
Damage to C5,6 - medially rotated arm with waiters tip posture
Erb’s palsy
Bone tumour of the neural crest cells
Ewing’s sarcoma
Chronic pain syndrome - pain, depression, non restorative sleep
Fibromyalgia
Failure of the medial arch
Flat feet
Outpouching of synovial fluid - leave or surgical removal
Ganglion cyst
Knock knees
Genu Valgus
Bow leg
Genu Varum
Large vessel vasculitis seen in >50s - granulomatous inflammation may lead to blindness
Giant cell arteritis - high dose steroids
Uric acid deposition in joints - red, hot, swollen & painful - -ve bifrignement crystals on aspiration - colchicine & allopuril
Gout
C-ANCA - PR3 - small vessel vasculitis affecting lungs - steroids
Granulmoatosis with polyangitis - Wegners
OA in the big toe - painful - analgesic & arthrodesis
Hallux rigidus: 1st MTPJ OA
Medial displacement of the big toe - conservative treatment –> surgery (bunion)
Hallux valgus
OA of the hip - pain on movement
Hip replacement in suitable candidates
Hip arthritis & Total Hip Arthroplasty
Damage to c8 & t1 - causes paralysis of intrinsic hand muscles & horners
Klumpke’s palsy
Arthritis is common in this joint (OA & RA) - However replacement is often unsatisfactory
Knee arthritis & Knee replacements
Dash board injury uncommon in isolation - posterior sag test positive
LCL tears / ruptures
Benign collection of fat cells - can be removed
lipoma
Malignant collection of fat cells
Liposarcoma
Young woman with joint pain and malar rash - +ve for ANA, anti-dsDNA & anti-SM
Immunosupression & hydroxychloroquine
SLE
Autosomal dominant issue with fibrillin - long arms, high arched pallet, aortic insufficiency
Marfan’s syndrome
Skiing injury
MCL tears
Common cause of lower back pain - analgesia and exercise
Mechanical back pain
Twisting injury - joint line pain - MRI needed
Meniscal tear
Seen after overuse - can be hard to see on x-ray until callus forms - repeat x-ray if clinically suspicious
Metatarsal stress fractures
ANCA associated small vessel vasculitis
Microscopic polyangitits
Swelling of nerve in toe - painful - conservative treatment –> surgery
Morton’s neuroma
OA due to cartilage wear and tear - painful - LOSS on x-ray however it is a clinical diagnosis - pain relief –> joint replacement
Osteoarthritis
Floating cartilage behind knee - causes pain and joint locking - NSAIDs & surgery
Osteochondritis dissecans
collagen disorder causing brittle bones - multiple fractures –> suspicion of NAI – Blue sclera
Osteogenesis imperfecta
Benign bone tumour with sclerotic halo
osteoid osteoma
Weakened bones due to low vitamin d - causes low calcium absorption - replacement
Osteomalacia & rickets
Bone infection - systemic illness & bone pain more common in children
S.aureus
Osteomyelitis
Weakened bone with normal mineralisation - aysymptomatic until low impact fracture - DEXA scan
Bisphosphonates & denusomab
Osteoporosis
Most common primary bone tumour - localised pain and systemic symptoms
osteosarcoma
Thickening of the bone due to
Paget’s disease
AVN of the femoral head in young boys - limping child presentation
Perthes disease
Heel pain in overweight individuals - rest & possibly corticosteroids
Plantar fasciitis
Neurological deficit due to infection - rare
poliomyelitis
Extra fingers - leave or remove
Polydactyly
Weakness in the shoulder & hip girdle - associated with GCA - steroids
Polymyalgia Rheumatica
Calcium deposition in joints - positive bifringement on aspiration - NSAIDs
Pseudogout
Small joint arthritis - hla-b27 associated - NSAIDs, corticosteroids & DMARDS
Psoratic arthritis
HLA-B27 - AI condition seen after infection - NSAIDs
Reactive arthritis
Smooth muscle tumour
Rhabdomyosarcoma
Symmetrical polyarthritis of the small joints - seen with RF & anti-CCP - das28 score & dmards
Rheumatoid arthritis
Compression/damage of the sciatic nerve - shooting pain down the leg - NSAIDs, physical therapy, surgery
Sciatica
Lateral bend in the spine - treatment dependant on Cobb angle - physio to surgery
Scoliosis
AI disease affecting mucous secreting glands - dry mouth & no tears - schirmer test - anti-ro & anti-la
Sjogrens syndrome
Knee injury - history of trauma & swelling - MRI indicated
Soft tissue injuries of the knee
Failure of spinal closure in utero - seen
Spina Bifida
Failure of spinal closure in utero - seen on checkup & AFP - oculta –> meningocele, and myelomeningocele
Spina Bifida
Pain on walking due to nerve compression - pain is relieved walking up hill - NSAIDs, gabapentin –> surgery
Spinal stenosis & claudication
Shearing of top of femur –> limping child –> surgical fixation
SUFE
Fingers stuck together –> surgical separation
Syndactyly
Collagen deposition in organs - AI disease - anti-SCL-70 & anti-topiomerase-1
Systemic sclerosis
Vasculitis seen in young japanese women –> pulseless disease due to intima infiltration –> corticosteroids
Takayasu arteritis
Normal variant in some children
Also due to muscular dystrophy, Cerebral palsy and autism
Tip toe walking
Presentation of a limping child - pain after viral infection - self limiting –> is it septic?
Transient synovitis of the hip
Localised pain to the greater trochanter –> may be due to a tight tensor fascia lata
Trochanteric bursitis / gluteal cuff syndrome
Compression of the median nerve - pregnancy, hypothyroidism - NSAIDs, splint, surgery
carpal tunnel
Anti-jo-1 & heliptrope rash with Gottron lesions - proximal, symmetrical muscle weakness
Dermatomyositis
Order of muscle
Fascicle –> perimysium –> endomysium
Lymphocytic clustering in the perifasicular area
Dermatomyositis
Symmetrical, proximal muscle weakness - no skin manifestations - inflammation of endomysium
Polymyositis
Causes include S.aureus & salmonella - specific pain & systemic illness - MRI - antibiotics
Osteomyelitis
Leg pain worse on sitting - specific features dependant on where is effected
Prolapsed disc
Pain in the anatomical snuffbox - may not be evident on x-ray - splint and repeat
Scaphoid fracture - risk of AVN due to retrograde blood supply
Weakness in gluteus medius & minimus of the leg being stood on
Trendelenburg sign - test of the superior gluteal nerves
Female baby, High birth weight, breech position
Developmental dysplasia of the hip
USS in small infants - x-ray in older children
Developmental dysplasia of the hip
Damage to the ACL, MCL & Meniscus
unhappy triad injury
Loss off blood supply –> leads to pain –> MRI –> Replace
AVN
erythematous, raised and multilobed tumours - self resolve - topical beta-blockers
Congenital Haemangioma
Radial nerve, brachial tendon, brachial artery, median nerve
Cubital fossa content
Calcium pyrophosphate crystals - NSAIDs & steroids
Pseudogout
Damage in cortical bone - seen in children
Greenstick fracture
Fracture caused by rotational force
Spiral fracture
High force fracture with many shards
Communicated
Open fracture - risk of infection
Compound
Crush fracture - due to osteoporosis
Compression fracture
Straight line fracture
Transverse fracture
Pencil-in-cup X-ray appearance, sausage fingers - treat as inflammatory arthritis
Psoriatic arthritis
Wrist drop
Radial nerve palsy
Dinner fork deformity of wrist - dorsal displacement after FOOSH
Displaced Colles Fracture
Pain/tenderness in anatomical snuffbox - may not be seen on x-ray
scaphoid fracture
Walking on pebbles
RA in feet leading to subluxation of metatarsophalangeal joints
Arthritis, uveitis, urethritis
Reiters syndrome - reactive arthritis
Which fractures are at risk of AVN
Proximal scaphoid Intracapsular femoral Femoral condyles Humeral capitellum Proximal talus
Foot drop
Common fibular nerve injury - anterior & lateral compartments
Red, hot swollen joint + negative bifringement, needle shaped urate crystals
Gout
NSAIDs, colchine, allopurinol
Gout treatment
Envelope shaped/rhomboid, mildly positive birefringent Ca pyrophosphate crystals
Treat same as gout - history of hypercalcaemia
Positive anterior draw test
ACL Rupture - twisting injury
Pain in internal rotation and extension of knee at 90 degree
Lateral meniscal tear - McMurrays test
Painful arc - abduction between 70-120degrees
Supraspinatous damage/impingement, frozen shoulder, calcium deposits
Dry eyes, mouth, skin, +ve Schirmer’s test - increased risk of lymphoma
Sjogrens syndrome - anti-ro/la & RF - commonly seen with arthritis
Dry eyes, Mouth, vagina & bronchitis
Sicca syndrome - primary without arthritis
Locked knee
Bucket handle meniscal tear
Bamboo spine on x-ray (syndophytes), sacroillitits & questionmark posture
Ankylosing spondylitis - HLAB27 +VE - loss of lumbar lordosis
Shortened leg & externally related
Displaced fracture of the neck of femur
Shortened leg & internally rotated
Dislocated femoral head
Onion peel sign
Ewing’s sarcoma
Sunburst pattern on x-ray
Osteosarcoma
Soap bubble appearance on x-ray
Giant cell tumour
Scalp tenderness & jaw claudication
Giant cell arteritis - emergency pred
Gowers sigh positive
Duchenne MD
Swollen woody calves
Duchenne or becker MD
Rosary bead sign
Polyarteritis nodosa
Light bulb sign
Posterior dislocation on xray
Shepherds crook deformity or femur
Fibrous dysplasia
Loosers zone on x-ray
Osteomalacia