Vol 14, No 2 (2009)
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Published online: 2009-03-01

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Isolated nodal failure after chemo-radiotherapy in limited disease small cell lung cancer (LD-SCLC)

Marek WIERZCHOWSKI1, Arkadiusz SPRAWKA, Lucyna KĘPKA1
DOI: 10.1016/S1507-1367(10)60023-5
Rep Pract Oncol Radiother 2009;14(2):58-63.

Abstract

Background

The irradiation volume for treatment of limited disease small cell lung cancer (LD-SCLC), are still controversial. One of the aspects of radiation volume is the use of elective nodal irradiation (ENI), which has never been subjected to randomized study in SCLC patients.

Aim

To review retrospectively patterns of failure in relation to the radiation field after chemoradiotherapy (CHT-RT) in patients with limited disease small cell lung cancer (LD-SCLC).

Material and Methods

Between 1997 and 2006, 117 consecutive patients with LD-SCLC received chemotherapy with sequential radiotherapy (70%) and concurrent or alternating CHT-RT (30%). All but one case had predefined elective nodal irradiation (ENI) without inclusion of supraclavicular regions. Prophylactic cranial irradiation (PCI) was administered to 39% of patients.

Results

The median follow-up for the 20 living patients was 33 months. The overall survival at 2 years was 36% (median survival: 18 months). In-field locoregional progression was observed in 42 patients (36%). Distant metastases occurred in 71 patients (61%). Five patients (4%) developed isolated nodal failure (INF) without local progression in the supraclavicular region. Patients with INF had N3 disease more often than those without INF (60% vs 21%, p = 0.04). There was 5% RTOG grade 3 or higher early radiation toxicity.

Conclusions

INF failures are rare; however, the need for extension of ENI to supraclavicular areas may be reconsidered in N3 patients.

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Reports of Practical Oncology and Radiotherapy