MSK deformities profoma Flashcards

1
Q

What is scoliosis? Presentation? Investigation? Management?

A

Curvature of spine in S shape.
- may lead to back pain

Presentation:
1. postural asymmetry
- shoulder
- waist-line
- thoracic wall or breast
2. 6 to 12 months post puberty

Investigation:
- Clinical exam (observation) -
- Standing PA and lateral x-rays of cervical, thoracic and lumbar spine & pelvis.
- MRI of cervical, thoracic and lumbar spine and pelvis

Management:
- NSAIDs
- Physiotherapy
- Steroid injections & local anaesthetic injections
- Back braces for pain relief
- Surgery - lumbar decompression, disectomy, spinal fusion

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2
Q

What is lordosis? Cause? Presnetation? Investigations? Management?

A

Exaggerated lumbar curve

Cause:
- congenital
- muscular dystrophy
- osteoporsis
- obesity

Can present w/ back pain, stiffness, tenderness & tiredness

Investigations:
- check flexibility
- neurological assessment if experiencing paraesthesia, spasms or weakness or changes in bowel or bladder control
- x-ray of lumbar spine & hips
- muscle bipsy- if cause is musclar dystrophy

Management:
- Analgesia
- Physio
- Braces
- Weight loss

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3
Q

What is kyphosis? Causes? Presentation? Investigation? Management?

A

Curvature of spine causing the top of the back to appear more rounded than normal.

Causes: poor posture, abnormally shaped vertebrae, ageing, spinal injury or congenital kyphosis

Presentation:
-Can present w/ back pain, stiffness, tenderness
- Tiredness

Investigation- x-ray

Management:
- Analgesia
- Back braces
- surgery- spinal fusion

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4
Q

Causes of varus hip or knee? Presentation? Investigation?
Management?

A

Caused by rickets, cancer, osteoarthritis.

Presentation- bow legged

Investigation:
- Blood tests: look for low calcium or vitamin D
- X-rays: look for osteoarthritis or cancer

Management
- High tibial osteotomy

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5
Q

Causes of values hip or knee? Presentation? Investigation? Management?

A

Caused by injury or infection, lack of vitamin D or calcium, obesity, arthritis.

Presentation- knees locked inwards

Investigation
- Blood tests: look for low vitamin D or calcium
- X-ray: osteoarthritis

Management:
- Arthroscopy or arthrodesis

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6
Q

What are the causes of club foot? Presentation? Investigation? Differential diagnosis? Management?

A

Causes:
- idiopathic
- when achilles tenon is too short
- conditions e.g. spina bifida, amniotic band syndrome

Presentation:
- painless
- deformed feet
- can affect both or 1 feet
- feet locked inwards

Investigations:
- Clinical examination
- Can be spotted during routine ultrasound at 18-21 weeks

Management:
- Feet usually correct themselves after 3 months
- Treatment starts 1-2 weeks from birth
- Ponseti method - manipulating & stretching the babies foot & then putting it into a cast.
- After the cast comes off = surgery
- Local anaesthetic - loosening of the Achilles tendon to release foot into a more natural position

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7
Q

Presentation of flat feet?

A

All children have flat feet, the arch develops after weight-bearing.

Presentation:
- Congenital
- Obesity, hypertension, diabetes
- Inflammatory arthritis; e.g. RA
- Tibialis posterior tendon rupture/dysfunction
- Not painful unless associated w/ secondary degenerative changes

Investigations
- Standing AP and lateral views
- Plantar flexion lateral
- Oblique : coalition

Management:
- Children with painless flat feet are best left untreated. Splints or special shoes do not influence the outcome
- Muscle exercises & arch supports may improve the comfort of older patients
- The only clear indications for treatment are severe shoe wear problems or severe foot or calf pain
- Where hindfoot valgus is a feature, calcaneal opening wedge osteotomy may correct the deformity

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8
Q

Cause of pectus axcavatum/ pectus carinatum? Presentation? Investigation? Management?

A

Caused by Marfan’s

Presentation:
- pectus axcavatum- breastbone is sunken into chest.
- pectus carinatum- breast bone grows outwards

Investigation:
- Chest X-ray
- CT - to determine whether heart or lungs are being compressed.
- Electrocardiogram - looks at the hearts electrical activity and conduction.
- Echocardiogram - scan to look at the heart and the nearby vessels. It is a type of ultrasound.
- Lung function tests

Management- Pectus excavatum
- silicone insertion
- nuss procedure- curved metal bar threaded under depressed breastbone- raises it into more normal position
- Ravitch techniqu- removes deformed cartilage attaching ribs to lower breastbone & then fixes breastbone into normal position w/ surgical hardware

Management- Pectus carinatum
- Nonoperative therapy e.g. dynamic compression
- Surgical reconstruction

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9
Q

Cause of pectus axcavatum/ pectus carinatum? Presentation? Investigation? Management?

A

Caused by Marfan’s

Presentation:
- pectus axcavatum- breastbone is sunken into chest.
- pectus carinatum- breast bone grows outwards

Investigation:
- Chest X-ray
- CT - to determine whether heart or lungs are being compressed.
- Electrocardiogram - looks at the hearts electrical activity and conduction.
- Echocardiogram - scan to look at the heart and the nearby vessels. It is a type of ultrasound.
- Lung function tests

Management- Pectus excavatum
- silicone insertion
- nuss procedure- curved metal bar threaded under depressed breastbone- raises it into more normal position
- Ravitch techniqu- removes deformed cartilage attaching ribs to lower breastbone & then fixes breastbone into normal position w/ surgical hardware

Management- Pectus carinatum
- Nonoperative therapy e.g. dynamic compression
- Surgical reconstruction

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10
Q

What is hallux valgus?

A

bunion is hallux (big toe) causes toe to point inwards

NOTE: view image on notes

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11
Q

What is ulnar deviation?

A

Fingers point outwards due not MCP becoming swollen

Seen in RA

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12
Q

What is mallet finger?

A

DIP in flexion

Seen in RA

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13
Q

What is z-thumb deformity?

A

Seen in RA

IP Flexed

MP hyperextended

CMC flexed

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14
Q

What is boutonniere deformity?

A

Seen in RA

PIP in flexion

DIP in hyperextension

NOTRE: view image on note

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15
Q

What is swan-neck deformity?

A

Seen in RA

PIP in hyperextenion

DIP in flexion

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16
Q

What is bourchard’s nodes?

A

Seen in OA

Swelling in DIP joint

17
Q

What are herbeden’s node?

A

Seen in OA

Swelling in PIP joints

18
Q

What is trigger finger?

A

Inflammation of A1 pulley & synovium sheath (of tendon) leads to swelling- causes sheath to bunch up into nodule

Extension of finger weaker than flexion, so unable to pull nodule (flexor tendon) across pulley- leading to trigger finger

finger can be straightened w/ help from other hand

any finger can be affected

NOTE: view image on notes

19
Q

What is duputrens contracture?

A

Unable to extend finger

Due to fascia thickening & drawing in, causing affected finger to bend towards palm.
- tight bands & nodules form in skin holding the tight

Power & sensation normal

Usually ring & small finger

20
Q

What is hand of benediction?

A

Medial fingers (ring & pinky) flexed

Lateral fingers extended

Due to damage to median nerve!

NOTE: view image

21
Q

What is ulnar paradox?

A

Also called ULNAR claw hand

PIP & DIP joints flexed towards palm

Hyperextension of MCP joint

NOTE: view image

22
Q

What is mallet toe, hammer toe and claw toe?

A

Hammer toe- toe bends down towards the floor at the middle toe joint (proximal phalani)
- causes middle toe joint to rise up
- usually affects second toe
- often occur w/ bunions.

Claw toe- toes bend up at the joint where the toes & foot meet (metaphalangial joint)- bend down at the middle joints & at joints nearest tip of toes.
-causes the toes to curl down toward the floor.
- affects 4smaller toes at the same time

Mallet toe- toe bends down at joint closest to the tip of the toe (distal phalanx)
- often affects the second toe

NOTE: view image on notes

23
Q

What is hamate hammer syndrome?

A

Ulnar nerve compression at wrist

Only intrinsic muscles of hand will be affected

More severe clawing

Clawing occurs when lumbricals are damaged- leads to imbalance of flexion/extension w/in affected digits.
- If the ulnar nerve is damaged atelbow, then flexor digitorum profundus stops working & clawing is less severe.
- If the nerve is damaged at wrist, then both digital flexors are still working, resulting in more pronounced clawing.