The prognostic significance of histologic subtyping in small cell carcinoma of the lung
- 1 October 1984
- journal article
- research article
- Published by Wolters Kluwer Health in American Journal of Clinical Oncology
- Vol. 7 (5), 389-398
- https://doi.org/10.1097/00000421-198410000-00001
Abstract
Previously untreated patients with small cell carcinoma of the lung (SCCL), who were treated with combined chemotherapy and radiation therapy, were retrospectively subtyped according to the 1981 WHO Lung Cancer Classification. Of 54 evaluated patients, 27 (50%) had oat cell subtype, 22 (41%) intermediate cell variety, and 5 (9%) were classified as combined type. There was no significant difference in response to therapy or median survival between the subtypes. In addition to the absence of prognostic significance among the subtypes, there were many technical factors affecting accuracy of subtyping, including tissue-crushing artifacts, size of biopsy materials, fixation of tissue samples and variations of subtypes within the same biopsy. Subtyping of SCCL should thus not be construed as a prognostic tool or guideline to therapy. The recognition that SCCL may manifest in a variety of histologic patterns, some of which may be misinterpreted as a histology other than SCCL, is probably more important for choice of therapy and prognosis than the individual subtypes.This publication has 15 references indexed in Scilit:
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