stress fracture

Atypical Femur Fractures

Site

Subtrochanteric

Lateral femoral shaft

Aetiology

Stress fractures

Associated with long term bisphonate use

Bisphosphonates

Black et al. NEJM 2020

- reduction of hip fracture risk v risk of atypical femur fracture

- 10 year period

Metatarsal Fractures

Indications for Surgery

1.  Displacement > 4 mm

2.  Angulation > 10^o

3.  Intra-articular

Base of 5th Metatarsal

Classification

Zone 1

- avulsion fractures

Types

1.  Dorsal lip fracture / Tuberosity fracture

- avulsion fractures

- most common

- beware avulsion T post

2.  Body fracture

3.  Stress Fractures

Body Fractures

Types

A.  Transverse fracture in coronal plane

B.  Transverse from dorsolateral to plantarmedial

C.  Central or lateral comminution