Metastatic carcinoid presenting as a breast lesion

H. L. Geyer, J. Viney, N. Karlin

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Metastasis to the breast is a rare occurrence, constituting fewer than 2% of all breast tumours. Of all metastatic tumours in the breast, most arise from con-tralateral breast primaries. Other reported primary solid tumour sites include melanoma; lung, gastric, and renal cancers; and approximately 29 cases of carcinoid tumour. Ambiguous presentations and an absence of carcinoid syndrome features make accurate ra-diographic and histologic assessment of breast carcinoids challenging. Here, we report the case of a 52-year-old woman who presented with a mam-mographic abnormality in the left breast. Excisiona l biopsy revealed histopathology consistent with carcinoid. After an exhaustive work-up, carcinoid within the terminal ileum was ultimately identifed, and the woman was diagnosed with metastatic breast carcinoid, an exceedingly rare entity. This paper describes the common mammographic, cytologic, and immunohistochemical feat uresty pical of metastatic breast carcinoid tumours, together with their common clinical features, prognosis, and treatment options.

Original languageEnglish (US)
Pages (from-to)73-77
Number of pages5
JournalCurrent Oncology
Volume17
Issue number6
DOIs
StatePublished - 2010

Keywords

  • Breast cancer
  • Carcinoid
  • Metastasis
  • Neuroendocrine

ASJC Scopus subject areas

  • Oncology

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