Case ReportLymph node metastasis from a primary skin carcinoid tumour
Section snippets
Case report
A 70-year-old lady was referred by her GP to the plastic surgery service in Plymouth with a lesion on her scalp. The GP attempted to biopsy the lesion, thinking it was a sebaceous cyst but found it to be a hard mass. The pathology report diagnosed an adnexal tumour of skin or possibly a metastasis from a lobular breast carcinoma. No such primary was located; she was otherwise well, although taking diuretic for lower limb oedema.
Excision was performed of the 3×3 cm2 lesion for tissue diagnosis,
Discussion
Oberndorfer first used the term ‘karzinoide’ in 1907 to describe similar tumours that appeared to behave in a more indolent fashion than typical adenocarcinoma. Their incidence is approximately 1.5 per 100,000 population and generally carcinoid tumours have a good prognosis. They are currently thought to arise from neuroendocrine cells in different sites of the body that are linked by a common neuroendocrine phenoype, originating from pluripotent cells that differentiate locally under factors
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