Tumour-to-tumour metastasis: male breast carcinoma metastasis arising in an extrapleural solitary fibrous tumour - a case reportReportar como inadecuado




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Diagnostic Pathology

, 9:203

First Online: 25 November 2014Received: 22 July 2014Accepted: 08 October 2014

Abstract

BackgroundTumour-to-tumour metastasis TTM occurs when one tumour metastasises to a separate tumour within the same individual. TTM is observed frequently in breast cancer but has not been described in male breast cancer. In addition reports describing solitary fibrous tumours SFT of the pleura hosting other neoplasms’ metastases are limited. We report an exceptional case of male breast cancer metastasising to an extrapleural SFT, occurring in the subcutaneous tissue of the back of a 68-year old Caucasian patient.

Case presentationA 68-year old male was diagnosed with a metastasising ductal breast cancer. He was treated by mastectomy of the right breast and axillary lymph-adenectomy. Further staging revealed an increasing subcutaneous expansion located on the patient’s back. Excision biopsy confirmed a SFT hosting a breast cancer metastasis. The patient received palliative chemotherapy but died of disease seven years after initial diagnosis.

ConclusionsThe abundance of blood vessels within these lesions might predispose SFTs for an involvement in TTM. This case describes the possibility of concurrent rare occurrences and reminds clinicians, as well as pathologists, to be open-minded and fastidious about their differential diagnoses, sampling and examination of histological specimens.

Virtual SlidesThe virtual slides for this article can be found here: http:-www.diagnosticpathology.diagnomx.eu-vs-13000 2014 203

KeywordsTumour-to-tumour metastasis Soft tissue tumour Solitary fibrous tumour Breast cancer Electronic supplementary materialThe online version of this article doi:10.1186-s13000-014-0203-y contains supplementary material, which is available to authorized users.

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Autor: Susanne Scheipl - Farid Moinfar - Andreas Leithner - Patrick Sadoghi - Mette Jorgensen - Beate Rinner - Bernadette Liegl

Fuente: https://link.springer.com/



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