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Jan 11, 2024Keywords:
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Main Article Content
Applicability of perfusion weighted imaging in evaluating the curative effect of endostar combined with neoadjuvant chemotherapy in advanced cervical cancer
Abstract
Methods: Between January 2021 and December 2022, 85 patients from Gansu Provincial Maternity and Child-care Hospital, China with advanced cervical cancer received NAC intravenously and underwent pre and post-chemotherapy PWI. Neoadjuvant chemotherapy (NAC) consisted of paclitaxel (135 - 175 mg/m2) and carboplatin (300 - 400 mg/m2). The NAC regimen comprised three courses, with each course lasting three weeks. General data, gross tumor volume (GTV), maximum signal intensity loss rate (MSILR), tumor regression rate (TRR), and post-chemotherapy MSILR reduction were compared between effective and non-effective groups.
Results: There was a significant difference in International Federation of Gynecology and Obstetrics (FIGO) staging, pathological types and proportion of lymph node metastasis between effective and non-effective groups (p < 0.05). At the end of 3 cycles of chemotherapy, ORR was 72.94 %. After treatment with EN combined with NAC, GTV and MSILR in effective group were significantly lower compared to non-effective group (p < 0.05). After chemotherapy, the mean relative ratio (MRR) and MSILR in effective group were significantly higher compared to non-effective group (p < 0.05). Also, MSILR before treatment (EN combined with NAC) was positively correlated with TRR after chemotherapy in patients with advanced cervical cancer (p < 0.05).
Conclusion: Perfusion-weighted imaging effectively changes tumor volume in patients with advanced cervical cancer after treatment with EN combined with NAC, and this has high application in evaluating the drug’s curative effect.
