Abstract:
:Metaplastic carcinoma of the breast refers to a heterogenous group of mammary carcinomas that contain a mixture of various cell types, including squamous cells, spindle cells and/or a mesenchymal component, such as bone or cartilage. To the best of our knowledge, the clinical course of a tumour that has undergone a transformation from one type of metaplastic carcinoma to another subtype has not previously been reported. The present study reports the five-year clinical and pathological course of a metaplastic breast carcinoma in a 55-year-old female, who was diagnosed with a sclerosing fibroadenomatous nodule with osseous metaplasia and focal atypia. A recurrent tumour was documented four years later, showing a predominant component of osteosarcoma with adenosquamous carcinoma. Upon pathological review of the initial mass, the diagnosis was changed to low-grade adenosquamous carcinoma. The patient was treated with breast conserving therapy. However, one year later, a recurrent metaplastic carcinoma with spindle cell morphology was documented and surgically removed by mastectomy. Subsequently, pulmonary invasion of the chest wall occurred and the patient eventually succumbed due to the invasive nature of the disease.
journal_name
Oncol Lettjournal_title
Oncology lettersauthors
Chuthapisith S,Warnnissorn M,Amornpinyokiat N,Pradniwat K,Angsusinha Tdoi
10.3892/ol.2013.1464subject
Has Abstractpub_date
2013-09-01 00:00:00pages
728-732issue
3eissn
1792-1074issn
1792-1082pii
ol-06-03-0728journal_volume
6pub_type
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