Retroperitoneal Inflammatory Liposarcoma in a Patient with Non-Hodgkin Lymphoma: A Report Highlighting Diagnostic Pitfalls

Author:

Lim Cathy S.12,Cooper Caroline L.1,Delprado Warick2,Kench James1,McCarthy Stanley W.1,Scolyer Richard A.134

Affiliation:

1. Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown, NSW 2050, Australia

2. Department of Histopathology, Douglass Hanly Moir Pathology, 14 Giffnock Avenue Macquarie Park, Sydney, NSW 2113, Australia

3. Melanoma Institute Australia, 40 Rocklands Road, North Sydney, NSW 2060, Australia

4. Discipline of Pathology, Sydney Medical School, The University of Sydney, NSW 2006, Australia

Abstract

Well differentiated liposarcoma (WDLS) is the commonest subtype of liposarcoma. Recognised subtypes of WDLSs are lipoma-like, sclerosing, spindle cell and inflammatory. The inflammatory variant of WDLS also known as “lymphocyte-rich liposarcoma” is rare. We present a case of inflammatory WDLS occurring in the retroperitoneum, in a patient with a past history of non-Hodgkin lymphoma. We outline the histological features, discuss the differential diagnoses and highlight the diagnostic pitfalls in interpretation of this lesion on fine needle biopsy.

Publisher

Hindawi Limited

Subject

Pathology and Forensic Medicine

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