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Ectopic breast carcinoma presenting as sebaceous cyst left axilla
  1. Uzma Jalali1,
  2. Alhad Dhebri2,
  3. Eszter Karip2 and
  4. Roger Hunt3
  1. 1 Department of General Surgery, Royal Albert Edward Infirmary, Wigan, Lancashire, UK
  2. 2 Department of General Surgery, Tameside and Glossop Integrated Care NHS Foundation Trust, Ashton-under-Lyne, UK
  3. 3 Department of Histopathology, Wythenshawe Hospital, Manchester, UK
  1. Correspondence to Miss Uzma Jalali, mariyajalali{at}


A 43-year-old woman with a positive family history of breast cancer presented with a painless lump in her left axilla for 2 years. Clinical diagnosis was a left axillary sebaceous cyst as the lump was inseparable from the skin. The lesion was excised under local anaesthesia and reported as breast tissue widely infiltrated by an invasive ductal carcinoma (grade 2). The malignancy was not involving the epidermis but <1 mm away from deeper margins. Re-excision of the deeper tissue with an axillary sentinel lymph nodes biopsy was performed and deep margins were reported to be tumour-free with no nodal involvement.

  • surgical oncology
  • breast surgery
  • breast cancer

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  • Patient consent for publication Obtained.

  • Contributors UJ and AD: patient’s management and surgery. EK: reviewing and collecting the literature. RH: diagnosed the case. UJ: wrote the manuscript which was finalised by AD.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.