Metastatic Invasive Lobular Carcinoma of the Breast Masquerading as a Primary Renal Malignancy

Adil Al-Jarrah, Varna Taranikanti, Sukhpal Sawhney, Muhammad Furrukh, Mohammad Al-Hosni, P. A. M. Saparamadu, M. V. C. De Silva

Abstract


Breast cancer is known to metastasise to different organs in the body, but an initial presentation of breast cancer with loin pain secondary to a metastatic renal mass is extremely rare. We report a 58-year-old woman who presented with recurrent left loin pain due to a metastatic deposit of invasive lobular carcinoma of the breast. The detection of a renal mass on computed tomography led to the assumption of a renal pelvic malignancy. The diagnostic dilemma posed by the detection of a breast mass during staging and the usefulness of immunohistochemistry in the confirmation of diagnosis are discussed.



Keywords


Breast; Lobular carcinoma; Metastasis; Renal; Immunohistochemistry; Case Report; Oman.

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Sultan Qaboos University Medical Journal, College of Medicine and Health Sciences, Sultan Qaboos University, PO Box 35, Postal Code 123, Al-Khod, Muscat, Oman

ISSN (Print edition): 2075-051X ISSN (Internet edition): 2075-0528

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