Situational task 7
Completion requirements
The patient complains of a left ear fullness, earache, and headache for six months. Otoscopy reveals a bumpy formation in the left external auditory canal, which easily bleeds when probed, and the eardrum is intact. The patient's hearing is reduced in the conductive range. Other ENT organs are normal, and the patient's body temperature is normal. Complete the following tasks:
1. Make an approximate diagnosis.
2. Perform a differential diagnosis.
3. Answer the following questions: What needs to be done to clarify the diagnosis?