Related Experiment Video
Updated: Oct 16, 2025
04:34
Surgical Treatment of an Endolymphatic Sac Tumor
Published on: May 26, 2023
924
Capillary hemangioma in the external auditory canal
1Department of Otorhinolaryngology, National Health Insurance Service Ilsan Hospital, Goyang, Korea.
Journal of Surgical Case Reports
|October 15, 2021
Summary
Capillary hemangioma, a rare benign vascular tumor, can occur in the external auditory canal (EAC). Complete surgical excision offers a good prognosis for symptomatic EAC hemangiomas.
Area of Science:
- Otolaryngology
- Pathology
- Dermatology
Background:
- Hemangiomas are common benign vascular tumors, typically affecting children and the head/neck region.
- Tumors in the external auditory canal (EAC) are uncommon, making diagnosis challenging.
- Capillary hemangioma is a specific type of vascular tumor.
Observation:
- A case report details a 54-year-old woman with a capillary hemangioma in the EAC.
- The tumor presented as a cystic, pinkish mass.
- Symptoms included bleeding and pulsatile tinnitus.
Findings:
- Microscopic surgery under local anesthesia enabled complete excision via a transcanal approach.
- Histopathologic confirmation is essential for diagnosis.
- Complete surgical excision is the recommended treatment for symptomatic hemangiomas.
Implications:
- This case highlights the importance of considering hemangioma in the differential diagnosis of EAC masses.
- Prompt diagnosis and surgical management lead to favorable patient outcomes.
- Further research may elucidate the specific factors contributing to EAC hemangioma occurrence.
Related Concept Videos
01:16Anatomy of the Ear
9.2K
Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
9.2K
01:15Auditory Pathway
6.0K
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
6.0K
01:19Veins of Head and Neck
3.4K
The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
3.4K
01:22Hair Cells
42.1K
Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.
42.1K