CASE REPORT


Primary Extranodal Diffuse Large B Cell Lymphoma Masquerading As Acute Pyogenic Myositis: A Case Report



Manisha Dassi1, *, Garima Aggarwal1, Lakshmi K. Jha1, Neeru P. Aggarwal1
1 Max Super Speciality Hospital, Vaishali, Ghaziabad, Uttar Pradesh, India


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Creative Commons License
© 2019 Dassi. et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Max Super Speciality Hospital W-3, Near Radisson Blue Hotel, Sector 1, Vaishali, Ghaziabad, Uttar Pradesh, 201012, India; Tel: +918527066844; E-mail: manishadassi@gmail.com


Abstract

Diffuse Large B Cell Lymphoma is the commonest subtype of Non-Hodgkin’s Lymphoma. It may present with primary nodal or extranodal involvement. Up to 40% of patients present with primary extranodal involvement, the commonest involved sites being gastrointestinal tract, testes, central nervous system, thyroid, nose, sinuses, skin, breast, bone and respiratory tract. Skeletal Muscle is a rare site of primary lymphomatous involvement. We present a case of Diffuse Large B Cell lymphoma primarily involving the skeletal muscles and breast, initially managed as a case of acute pyogenic myositis with sepsis with Multiple Organ Dysfunction Syndrome. In addition, the patient had hypercalcemia, cortical vein thrombosis, proteinuria and renal dysfunction, which were all speculated to be paraneoplastic in etiology.

Keywords: Diffuse large B cell lymphoma, Extranodal lymphoma, Skeletal muscle, Paraneoplastic, Etiology, Myositis.