Correlation Between the Transient Elevation of Peripheral Eosinophil Count During Radiotherapy and Acute Diarrhea

Cancer Diagn Progn. 2021 Jul 3;1(4):331-337. doi: 10.21873/cdp.10044. eCollection 2021 Sep-Oct.

Abstract

Background/aim: This study aimed to evaluate the association between the change in peripheral eosinophil count during postoperative pelvic radiotherapy and gastrointestinal (GI) toxicities in patients with cervical cancer.

Patients and methods: The medical records of 163 patients with cervical cancer who underwent postoperative concurrent chemoradiotherapy between 2000 and 2016 were analyzed.

Results: Among the peripheral blood cell counts, transient elevation of the eosinophil count was observed during radiotherapy. Of the 163 patients, 117 developed grade ≥2 diarrhea during radiotherapy, and 25 patients developed grade ≥2 late GI toxicities. In multivariate analysis, the maximum eosinophil count and age emerged as independent predictors of grade ≥2 acute diarrhea during radiotherapy, while bowel bag V 40 Gy and age were predictive of grade ≥2 late GI toxicities.

Conclusion: Early detection of transient elevation of eosinophil may facilitate early treatment of acute diarrhea during radiotherapy.

Keywords: Acute diarrhea; cervical neoplasm; eosinophil; late; postoperative; toxicity.