An otoscope can be used to look at the ear canal. This gives a view of the ear canal and<unk> , so that a<unk>  can be seen. Tympanometry may also be used.
Perforated eardrum
Pseudocyst of the auricle
Lethal midline granuloma
Meatal stenosis
Punctal plug
Fissured tongue
Thyroglossal cyst
Nasal septum deviation