Fibromatosis is an uncommon breast lesion that can mimic breast carcinoma in its clinical presentation. We present a case in which excisional biopsy was necessary to establish a diagnosis of fibromatosis. Clinical, diagnostic imaging, and pathologic features are discussed. Magnetic resonance imaging (MRI) has emerged as a tool for further characterization of breast lesions and as a screening modality in high-risk patient populations. Ours marks the second case in which dynamic MRI has been correlated with histologically confirmed primary mammary fibromatosis. Unlike the previous report, MRI in this case mimics breast carcinoma in its morphologic and pharmacokinetic features of enhancement. Wide local excision with clear margins remains the treatment of choice. Current data on radiotherapy and pharmacologic therapy for mammary fibromatosis are reviewed.
The potential for malignancy detection using dynamic infrared imaging (DIRI) has been investigated in an animal model of human malignancy. Malignancy was apparent in images formed at the vasomotor and cardiogenic frequencies of tumour bearing mice. The observation of malignancy was removed by the administration of an agent that blocks vasodilation caused by nitric oxide (NO). Image patterns similar to those that characterize malignancy could be mimicked in normal mice using an NO producing agent. Apparently DIRI allows for cancer detection in this model through vasodilation caused by malignancy generated NO. Dynamic infrared detection of vasomotor and cardiogenic surface perfusion was validated in human subjects by a comparison with laser Doppler flowmetry (LDF). Dynamic infrared imaging technology was then applied to breast cancer detection. It is shown that dynamic infrared images formed at the vasomotor and cardiogenic frequencies of the normal and malignant breast have image pattern differences, which may allow for breast cancer detection.
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