{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T12:50:40Z","timestamp":1784119840488,"version":"3.55.0"},"reference-count":82,"publisher":"BMJ","issue":"11","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["J Clin Pathol"],"accepted":{"date-parts":[[2023,8,3]]},"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:p>Monoclonal gammopathy is a spectrum of disorders characterised by clonal proliferation of plasma cells or lymphocytes, which produce abnormal immunoglobulin or its components (monoclonal proteins). Monoclonal gammopathies are often categorised as low-tumour-burden diseases (eg, amyloid light chain (AL) amyloidosis), premalignant disorders (such as monoclonal gammopathy of undetermined significance and smouldering multiple myeloma), and malignancies (eg, multiple myeloma and Waldenstr\u00f6m\u2019s macroglobulinaemia). Such diversity of concentration and structure makes monoclonal protein a challenging clonal marker. This article provides an overview on initial laboratory testing of monoclonal gammopathy to guide clinicians and laboratory professionals in the selection and interpretation of appropriate investigations.<\/jats:p>","DOI":"10.1136\/jcp-2023-208774","type":"journal-article","created":{"date-parts":[[2023,8,21]],"date-time":"2023-08-21T13:20:19Z","timestamp":1692624019000},"page":"727-733","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Screening for and diagnosis of monoclonal gammopathy"],"prefix":"10.1136","volume":"76","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9596-3242","authenticated-orcid":false,"given":"Yuh Ping","family":"Chong","sequence":"first","affiliation":[{"name":"School of Health and Biomedical Sciences, RMIT University, Bundoora, Victoria, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Say 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