Table 2

Summary of differential aetiological diagnosis and corresponding investigation findings

Differential aetiological diagnosisInvestigation findings
Infection

  • Normal inflammatory markers

  • Insignificant activity in bone scan

Tumour

  • Absence of tumorous lesion and discrete mass in MRI

  • Normal level of tumour markers

Metabolic bone disease

  • Normal level of bone turnover markers

  • Normal calcium profile and hormonal level

  • Insignificant activity in bone scan

Osteoradionecrosis

  • Compatible history and physical exam findings

  • Reduced lack of marrow signal in T1 weighted image in MRI

  • Reduced fracture healing potential