Most common surgical emergency - highest incidence between 10-20 y/os

Causes/Factors

Gut organisms invade the appendix wall after lumen obstruction by lymphoid hyperplasia, faecolith or filarial worms

Symptoms

Classical presentation of:

  1. Periumbilical pain that moves to right iliac fossa
  2. Peritonism with guarding and rebound
  3. Anorexia is important - vomiting rarely before pain

Signs

  • Tachycardia, fever
  • Mcburney’s point - between umbilicus and right iliac fossa
  • Rovsing’s sign - push on left iliac fossa and pain exhibits itself on right

Diagnostic Tests

  • FBC, U&Es, WCC, CRP
  • US/CT if unclear

Management

  • Appendectomy

Conservative treatment with just antibiotics can be indicated in some cases

Complications/red Flags

  • Perforation - big problem
  • Appendix mass may result when inflamed appendix becomes covered with omentum
  • Appendix abscess`