Atraumtaic pain arising at the front of the knee.

History

  • Young-middle aged
  • May be bilateral
  • Mostly female
  • Possibly overweight
  • Diffuse ANTERIOR knee pain
  • Pain on stairs, kneeling, prolonged sitting

Signs

  • No obvious abnormality
  • Positive ‘grab’ sign (patient grabs front of knee)
  • Genu valgum (knock knees)
  • Squinting patellae (knee caps ‘face’ each other)
  • Patella apprehension – generally sore when examining
  • Possible patello-femoral crepitus
  • Difficulty kneeling/squatting

Who to refer, who not to refer, how to refer

Who to Refer

  • Only those who have failed non operative measures
  • Any abnormal MRI findings if MRI completed in community
  • Recurrent Patella dislocations

Urgent Referral Criteria

  • Suspicion of tumour/ infection

Who Not to Refer

  • Those who have not undergone non operative measures – See primary care management

Additional Info

  • Unlikely to require surgery
  • Usually adolescent knee pain – resolves at skeletal maturity
  • Unlikely to operate BMI >40

How to refer

We accept referrals through SCI gateway for those who are based in Scotland.

We also accept e referrals through the below email address using the attached form for those who are based just on the other side of the border. 

E- Referral Email address - bor.orthoreferrals@borders.scot.nhs.uk

Referral form - E-Referral to Orthopaedics (Non Sci-Gateway)      

Primary care management

  • Physio rehab- strengthening over extended period (1yr)
  • Regular maximum multimodal analgesia
  • CSI X 2-3 if possible – if over 45
  • Education
  • Podiatry, esp if flat footed
  • BMI >35 engage in wellbeing support

Resources and links

Primary Knee Pathway  - developed by First Contact Practitioners Primary Knee Pathway

Editorial Information

Last reviewed: 31/07/2025

Author(s): Paul Middleton.