acute

Paronychia

Definition

 

Paronychia is skin around nail plate

 

Eponychia is skin covering base of nail plate

 

Pathology

 

1.  Due to foreign material between nail plate and paronychium 

 

2.  By hang nail traumatising paronychium

 

Aetiology

 

Acute

- typically polymicrobial 

- aerobes and anaerobes

Acute

Definition

 

Infection of bone 2° blood-borne bacteria

 

Epidemiology

 

Most common children

- peak 10 years

 

True haematogenous OM rare in adults

- usually involves spine

 

M: F 2:1

 

Site

 

Most common femur & tibia