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Breast MALT lymphoma and AL amyloidosis complicating Sjögren's syndrome
Nabil Belfeki1, Salima Bellefquih1, Anne Bourgarit1
1Internal Medicine, Hopital Jean Verdier, Bondy, France.
BMJ Case Reports
|April 13, 2019
Abstract:
Marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT) lymphomas of the breast with mammary amyloidosis are exceedingly rare entities. This report describes the case of women with long-standing Sjögren's syndrome presenting with breast MALT lymphoma and amyloïd light-chain (AL) amyloidosis. Breast microcalcification needle biopsy made the positive diagnosis. This unusual finding should be kept in mind. It emphasises the need for careful clinical examination of nodes and extranodal organs supposedly affected in patients with autoimmune disease.