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  • Title: Localized extradural lymphoma: survival, relapse pattern and functional outcome. The Princess Margaret Hospital Lymphoma Group.
    Author: Rathmell AJ, Gospodarowicz MK, Sutcliffe SB, Clark RM.
    Journal: Radiother Oncol; 1992 May; 24(1):14-20. PubMed ID: 1620883.
    Abstract:
    Between 1967 and 1988, 22 patients were treated at The Princess Margaret Hospital (PMH) for localized (stage IE) non-Hodgkin's lymphoma (NHL) presenting with spinal extradural compression. The median age of the patients was 55 years (range 18-76). Back pain (20 patients) and leg weakness (18 patients) were the commonest complaints at presentation. Seven patients (30%) were non-ambulatory (paraplegic or severely paretic) and four had imparied sphincter function. Diffuse histiocytic lymphoma (12 cases) was the commonest histology. All patients initially had laminectomy decompression and were referred to PMH post-operatively. One patient (with coincident metastatic carcinoma of the breast) was treated palliatively. The remaining 21 patients received radical post-operative treatment: radiation therapy (XRT) alone in 12 cases (25-45 Gy), radiation therapy plus systemic combination chemotherapy (combined modality therapy, CMT) in 9 cases. The overall actuarial survival for the radically treated patients was 55% at 10 years and there was a significant difference (p = 0.037) between those treated by XRT alone (33%) and those who received CMT (86%). Only one patient from each treatment group failed locally but the distant recurrence-free survival for the XRT group was 32% compared to 100% for the CMT group (p = 0.017). One patient developed primary central nervous system (CNS) relapse. The functional results of treatment were excellent: 19 of the 21 radically treated patients regained or retained normal ambulatory status and the remaining two patients had only minor disability. Decompressive surgery and radiotherapy for localized extradural lymphoma ensures a high rate of local control and functional recovery.(ABSTRACT TRUNCATED AT 250 WORDS)
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