The patient presented to the ear, nose and throat clinic with failed conservative treatment of persistent right otitis externa. On examination, the roof of the right ear canal was polypoid and the tympanic membrane could not be visualised. There was a fragile mass noted in the external auditory canal (EAC) which on microsuction started to bleed. CT internal auditory meatus and MRI internal auditory meatus identified soft tissue mass in the EAC. The patient underwent urgent examination under anaesthetic of the ear and biopsies were taken. He had a background of ascending colon cancer; Duke's C1, pT4, N1 M0, R0 resection and had undergone laparoscopic right hemicolectomy with adjuvant chemotherapy, in the previous year. The biopsy results proved that the mass in the EAC was due to metastatic deposit of colorectal primary tumour. The patient also had a full body CT which revealed other new metastases. The patient is being treated with palliative chemotherapy.
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