external auditory canal pain
Introduction
Introduction External ear canal pain is a type of earache. Ear pain is a common symptom and can be divided into three types: otogenic ear pain, reflex ear pain and neurotic ear pain. Otogenic ear pain, also known as primary ear pain, refers to ear pain caused by lesions in the ear itself. Reflex ear pain, also known as secondary ear pain, is caused by the nerves that innervate the ear and at the same time dominate the other parts, so the pain caused by other parts of the lesion can be reflected to the ear by the nerve to cause earache. Neurotic earache is pain caused by the lesion of the sensory nerve itself in the ear.
Cause
Cause
Causes of external ear canal pain: caused by external auditory canal diseases: external auditory canal, external auditory canal, malignant otitis externa, external ear canal fungal disease, external auditory canal embolization, external auditory canal cholesteatoma, external auditory canal trauma, ear canal obstructive keratosis.
Examine
an examination
Related inspection
Otoscopy, ear examination, otolaryngology, CT examination, external auditory canal
Diagnosis of external ear canal pain:
Acute diffuse otitis externa: there is significant spontaneous pain and auricular pull pain or tragus tenderness.
Diagnosis
Differential diagnosis
Differential diagnosis of external ear canal pain:
Acute diffuse otitis externa
Acute diffuse otitis externa is a widespread suppurative infection of the external auditory canal. There are obvious spontaneous pain and auricular pull pain or tragus tenderness.
2. Necrotic otitis externa
Also known as malignant otitis externa. This disease often occurs in diabetic patients, so there is also called diabetic otitis externa. The pathogenic bacteria are Pseudomonas aeruginosa. The ear canal necrosis spreads rapidly to the surrounding area, which can be complicated by mastoiditis, skull base osteomyelitis, meningitis, and sepsis.
Diagnosis: Acute diffuse otitis externa: There is significant spontaneous pain and auricular pull pain or tragus tenderness.
