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  • Extramedullary relapse of multiple myeloma presenting as space-occupying lesion in liver treated with daratumumab, pomalidomide, dexamethasone and bendamustine

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Haematology
Extramedullary relapse of multiple myeloma presenting as space-occupying lesion in liver treated with daratumumab, pomalidomide, dexamethasone and bendamustine
  1. Sarthak Wadhera1,
  2. Arihant Jain1,
  3. Suvradeep Mitra2 and
  4. Pankaj Malhotra1
  1. 1 Clinical Hematology and Medical Oncology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
  2. 2 Pathology(Histopathology), Post Graduate Institute of Medical Education and Research, Chandigarh, India
  1. Correspondence to Dr Arihant Jain; drarihantjain86{at}gmail.com

Abstract

Extramedullary relapse in patients with multiple myeloma (MM) is often associated with loss of biochemical response and the appearance of measurable residual disease in the bone marrow. Fever is an unusual presenting manifestation of MM. Treatment of extramedullary relapse in patients progressing on proteasome inhibitors, anti-CD38 monoclonal antibodies and immunomodulatory drugs is challenging, as access to chimeric antigen receptor T-cells and bispecific antibodies is limited. We report a case of relapsed MM who presented with fever and hepatic space-occupying lesion mimicking hepatocellular carcinoma. In this case report, we also present our experience of using a novel combination regimen comprising Dara-Pom-Benda-Dexa (daratumumab, pomalidomide, dexamethasone and bendamustine) for relapsed MM.

  • Malignant disease and immunosuppression
  • Haematology (incl blood transfusion)

https://doi.org/10.1136/bcr-2023-257346

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    Footnotes

    • Contributors The following authors were responsible for drafting of the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms, and critical revision for important intellectual content: SW, AJ and SM. The following author gave final approval of the manuscript: PM. Is the patient one of the authors of this manuscript? No.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.