Tumour-to-tumour metastasis: breast carcinoma to an olfactory neuroblastoma.
We present a case of a 66-year-old woman with known breast cancer who presented with one-sided nasal symptoms. Examination and imaging revealed a unilateral polyp arising from the skull base. She underwent endoscopic polypectomy with the histology demonstrating tumour-to-tumour metastasis from a breast carcinoma to an olfactory neuroblastoma, a rare sinonasal tumour. Clinicians should be cautious of distant metastases in any patient presenting with head and neck symptoms and a known primary tumour. This is the first documented case of this type.
PMID: 32374183 [PubMed - as supplied by publisher]
Source: Annals of the Royal College of Surgeons of England - Category: Surgery Authors: Bashyam A, Grammatopoulou V, Crook T, Di Palma S, Sunkaraneni VS Tags: Ann R Coll Surg Engl Source Type: research
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