2nd-order laboratory parameters-depending on the results of the history, physical examination, and obligatory laboratory parameters-for differential diagnostic clarification.
- Small blood count
- Differential blood count
- Inflammatory parameters – CRP (C-reactive protein) or ESR (erythrocyte sedimentation rate).
- Alkaline phosphatase (AP) isoenzymes, ostase, urinary calcium, PTHrP, CEA, PSA – due to exclusion of bone metastases.