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Clinical Approaches To External Auditory Canal Hemangiomas: A Systematic Review
Afrah Alshalan1,2, Tawfiq Khurayzi3, Majed Assiri1
1Department of Otolaryngology, Neurotology & Lateral Skull Base Surgery, King Abdullah Ear Specialist Center (KAESC), King Saud University, Riyadh, Saudi Arabia.
Ear, Nose, & Throat Journal
|August 24, 2021
Summary
Capillary hemangioma of the external auditory canal (EAC) is treatable with surgical excision, often leading to complete resolution. This systematic review highlights key findings for this rare condition.
Area of Science:
- Otolaryngology
- Head and Neck Surgery
- Pathology
Background:
- Hemangiomas, benign vascular tumors, are typically found in the head and neck.
- External auditory canal (EAC) hemangiomas are rare, with cavernous, capillary, and venous subtypes.
- This study focuses on capillary hemangioma of the EAC.
Approach:
- A systematic review was conducted using PubMed, Scopus, and Web of Science.
- Relevant studies on capillary hemangioma of the EAC were extracted for qualitative analysis.
- 38 patients diagnosed with EAC hemangioma were included in the review.
Key Points:
- Hearing loss (50%) and aural fullness (39.4%) were the most common symptoms.
- Cavernous hemangioma was the predominant subtype (57.8%).
- Surgical excision via endaural or transcanal approaches was the primary treatment, with a low recurrence rate (18.5%).
Conclusions:
- Hemangioma of the EAC may be more common than previously thought.
- Surgical excision is the most effective management, yielding high rates of complete resolution.
- While CT aids diagnosis, histopathological examination post-resection is essential for definitive diagnosis.
