Abstract
Capillary hemangioma involving external auditory canal, middle ear and mastoid cavity is a very rare entity. Due to infrequent incidence but multiple overlapping clinical and radiological features amongst some common middle ear pathologies this benign vascular tumour often can be misdiagnosed. Histopathological report helps us to get definitive diagnosis. 40 years old female presented with diminished hearing and mass in right ear cavity for last 3 years. The otoscopic examination of right ear showed a pinkish polypoidal mass at the external auditory canal and tympanic membrane could not be visualized. Patient had a history of cortical mastoidectomy 2 years back for the similar problem. HRCT temporal bone revealed a single cavity with soft tissue density content in right mastoid cavity which was extending into right middle ear and external ear. Contrast Enhanced MRI showed a long polypoidal heterogeneously but strong enhancing T2 and STIR hype rintense lesion within mastoid antrum extending into middle ear cavity and external auditory canal forming an aural polyp. Excision of the mass was done by canal wall down mastoidectomy and also type IIIc tympanoplasty performed in same sitting. There is no recurrence noted after 6 months of follow up and hearing improvement noticed. Capillary haemangioma of mastoid antrum extending to middle ear and external auditory canal requires surgical excision as preferred treatment modality, pre-operative imaging guide us to choose the preferred surgical approaches.
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