ulna

Anatomical Approach to Biopsy

Region specific approaches

 

Theory

- want to traverse one muscle / one compartment

- keep away from NV bundle

- as a rule perform open biopsy through compartment the tumour is in

- this is the compartment that will require surgical removal in wide excision

- direct approach without going through muscle if possible i.e. tibia, distal ulna

 

Lower Limb

 

Thigh

 

Club hand

Definition

 

Radial hemimelia

- longitudinal failure of formation of parts along radial border / preaxial border

 

Incidence

 

1:100 000

4 x Ulna Club Hand

Bilateral 50% 

 

Associations

 

Scaphoid & trapezium absent in 50% cases

 

Thumb absent in 80%

 

VACTERAL

 

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