2 resultados para plasma cells

em Scientific Open-access Literature Archive and Repository


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Lymphoepithelioma-like gastric carcinoma (LELGC) has special clinicopathologic features that differentiate it from the common gastric adenocarcinoma. LELGC is a rare neoplasm of the stomach with an incidence of 1-4% of all gastric cancers and is characterized by desmoplastic stroma uniformaly infiltrated by abundant lymphocytes and plasma cells. LELGC is closely associated with the Epstein-Barr virus (EBV), with 80-100% of LELGC being EBV-positive. LELGC has a male predominance, occurs in elderly people and is usually located in the upper and middle portion of the stomach. We report a rare case of lymphoepithelioma-like gastric carcinoma located in the lesser curvature at the border of the gastric body to the pyloric antrum.

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Lenalidomide is an effective therapy against malignant plasma cells and a potent agent against proinflammatory and proangiogenic cytokines. The use of lenalidomide in POEMS (polyneuropathy, organomegaly, endocrinopathy, monoclonal protein with plasma cells, skin changes) has been reported, but its benefit in long-term use is not well established. A 55-year-old man with POEMS and debilitating polyneuropathy was treated with lenalidomide and dexamethasone followed by maintenance lenalidomide. He remains in haematologic remission and in complete recovery of functional status 3.5 years after diagnosis. This case supports the long-term use of lenalidomide in patients with POEMS syndrome.