Extramedullary myeloma in ectopic parathyroid adenoma: a case report Authors Nagehan Ozdemir Barisik Department of Pathology, Kartal Dr Lutfi Kirdar Training and Research Hospital, University of Health Sciences, Istanbul, Turkey Ozge Hande Gunes Department of Pathology, Kartal Dr Lutfi Kirdar Training and Research Hospital, University of Health Sciences, Istanbul, Turkey Guven Yilmaz Department of Hematology, Kartal Dr Lutfi Kirdar Training and Research Hospital, University of Health Sciences, Istanbul, Turkey Sevinc Hallac Keser Department of Pathology, Kartal Dr Lutfi Kirdar Training and Research Hospital, University of Health Sciences, Istanbul, Turkey Aylin Ege Gul Department of Pathology, Kartal Dr Lutfi Kirdar Training and Research Hospital, University of Health Sciences, Istanbul, Turkey Cem Cahit Barisik Department of Radiology, Medipol University, Istanbul, Turkey DOI: https://doi.org/10.47391/JPMA.746 Abstract Abstract Extramedullary myeloma, a subgroup of multiple myeloma, is a rare condition characterised by extra-skeletal infiltration of clonal plasma cells. Although parathyroid adenoma’s co-morbidity with multiple myeloma is common, extramedullary myeloma, an ectopic parathyroid adenoma has not been reported in the literature. This is the first study in literature that presents extramedullary myeloma that infiltrated ectopic parathyroid adenoma in the mediastinum after multiple myeloma treatment. In its course of relapse, the extramedullary myeloma created mass effect and no laboratory findings were present due to its non-secretory nature. Keywords: myeloma, metastasis, adenoma, parathyroid Continuous.... Downloads Full Text Article Published 2020-10-06 How to Cite Nagehan Ozdemir Barisik, Ozge Hande Gunes, Guven Yilmaz, Sevinc Hallac Keser, Aylin Ege Gul, & Cem Cahit Barisik. (2020). Extramedullary myeloma in ectopic parathyroid adenoma: a case report. Journal of the Pakistan Medical Association, 71(2), 752–755. https://doi.org/10.47391/JPMA.746 More Citation Formats ACM ACS APA ABNT Chicago Harvard IEEE MLA Turabian Vancouver Download Citation Endnote/Zotero/Mendeley (RIS) BibTeX Issue Vol. 71 No. 2 (2021): FEBRUARY "B" Section CASE REPORT License Copyright (c) 2020 Journal of the Pakistan Medical Association This work is licensed under a Creative Commons Attribution 4.0 International License.