Metaplastic carcinoma of the breast

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Metaplastic carcinoma of the breast

Metaplastic carcinoma of the breast is a rare aggressive subtype of invasive breast carcinoma characterized by rapid growth relatively large tumor size and a tendency to metastasize to distant organs particularly the lungs with relatively less frequent involvement of the axillary lymph nodes. Histologically the tumor shows high-grade cellularity and heterologous differentiation including chondroid osseous pleomorphic/sarcomatoid spindled and squamous elements. Patients usually present with a fast-growing large well-circumscribed mobile lump in the breast which can become painful and involve the chest wall and the skin leading to ulceration.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.

Reference: Access aggregated data from Orphanet at Orphadata.

Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: // Data version September 2023.

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Metaplastic carcinoma of the breast?

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Advocacy Organizations

The Assistance Fund

The Assistance Fund (TAF) is an independent charitable patient assistance organization that helps patients and families facing high medical out-of-pocket costs by providing financial assistance for their copayments, coinsurance, deductibles, and other health-related expenses. We currently manage more than 80 disease programs, each of which covers all FDA-approved treatment for the disease named in the program. Since 2009, TAF has helped nearly 180,000 people access critical treatment for life-threatening, chronic, and rare diseases.

My Faulty Gene

My Faulty Gene is a nonprofit organization which provides information and assistance to any individual whose family medical history suggests genetic testing might be helpful in identifying an increased risk of disease due to a genetic mutation. We believe that everyone in need of genetic testing should have access to it.

My Little Sunshine Foundation

My Little Sunshine is a non-profit foundation dedicated to educating people about the importance of fertility preservation and making fertility resources accessible to all.


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Clinical Trials

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