1st order laboratory parameters – obligatory laboratory tests.
Otitis externa maligna
- Small blood count
- Differential blood count
- Inflammatory parameters – CRP (C-reactive protein) or ESR (erythrocyte sedimentation rate).
- Biopsy (tissue sampling) to exclude carcinoma.
Laboratory parameters 2nd order – depending on the results of the history, physical examination and the obligatory laboratory parameters – for differential diagnostic clarification.
Otitis externa diffusa
- Smear from the ear canal – if microbial cause is suspected.
- Allergy diagnostics – if allergic cause is suspected.
