Cynthia M. van Golen and Kenneth L.van Golen
Cancer stem cell populations have been identified for several types of cancers and suggest a way for tumor cells to be resistant to therapies. Further, because of the longevity, endurance and replicative potential of cancer cells with stem-like properties, other malignant attributes such as recurrence after long periods of dormancy can also be explained. Inflammatory breast cancer (IBC) is a unique and aggressive form of breast cancer that has a clinical course unlike other forms of breast cancer. The main hallmark of IBC is prolific invasion of the dermal lymphatic vessels by tumor emboli leading to rapid metastasis of the disease. Despite an extremely aggressive treatment approach, the majority of women with IBC present with disease recurrence suggesting the presence of chemo resistant and/or dormant breast cancer cells. Current evidence suggests that IBC tumor emboli contain distinct populations of cells with stem cell-like properties. Thus, specific targeting of these stem cell-like cancer cells may be the key to effectively treating IBC.
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