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Year : 2007  |  Volume : 44  |  Issue : 3  |  Page : 115-118

18F-FDG uptakes in leptomeningeal metastases from carcinoma of the breast on a positron emission tomography/computerized tomography study

Bio-Imaging Unit, Tata Memorial Hospital, Mumbai, India

Correspondence Address:
V Rangarajan
Bio-Imaging Unit, Tata Memorial Hospital, Mumbai
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-509X.38944

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Leptomeningeal metastases (LM) are most commonly observed in hematological malignancies. With prolonged survival in solid tumors, an increased frequency of metastases is noted in these tumors too. Early diagnosis, when the patient has minimal neurological disability, is associated with prolonged survival and improved functional outcome although the therapy is palliative. The diagnosis of LM is difficult, and the demonstration of tumor cells in the cerebrospinal fluid remains the gold standard. This can also be done by definitive neuroimaging. MRI is routinely used in this aspect. We discuss here a case where 18F-FDG PET/CT (Fluoro-de-oxy glucose positron emission tomography/computerized tomography) study helped us in the diagnosis of LM. Whole-body PET/CT imaging could be a useful tool in identifying the possibility of metastases of breast carcinoma in the usual sites and the not-so-usual sites of metastases.


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