Comparative Analysis of Three-Dimensional versus Two- Dimensional Radiotherapy Planning of Gross Tumor Volume and Planning Target Volume
- VernacularTitle:Монгол улс дахь туяа эмчилгээний хөгжлийн шинэ үе: 3 хэмжээст төлөвлөлтийн хавдрын ба эрүүл эдийн эдийн эзлэхүүнийг 2 хэмжээст төлөвлөлтийнхтэй харьцуулан судалсан нь
- Author:
Navchaa.G
;
Lkhagvasuren.B
- Collective Name:National Cancer Center
- Publication Type:journal article
- Keywords:
Radiotherapy iinu'»1 planning: computerized simulator. 2D treatment (Inning- conformal 3D radiotherapy;
/'Ï TV
- From:Innovation
2009;6(1):43-48
- CountryMongolia
- Language:English
-
Abstract:
PURPOSE
To determine the advantages of three-dimensional contormal radiotherapy (3D- CRT) method and to introduce this novel approach of radiotherapy services in Mongolia
METHODS
20 patients with different kinds of cancer were randomly evaluated who did 3D CRT clinical treatment planning by using CT-simulator "Siemens Somatom Emotion-6" in Radiotherapy Department of National Cancer C enter of Mongolia. At first, we calculated the gross tumor volume (GTV) and planning target volume (P1 V ) by cm5 in 3D and 2D ways in all patients, then analyzed the volume ot the surrounding tissue based on difference of treated volume and gross tumor volume (Vd%).
RESULTS
The mean age was 47.5 (range, 3-74); 8 patients (40%) were male. The PTV volume significantly decreased for 3D-CRI plans compared to 2D as indicated by Vd% (average 46.6 vs. 26.7) and treated volume (TV).
CONCLUSIONS
3D-CRT is a safe and effective method in patients with cancer who were indicated the radiotherapy. Furthermore, this novel treatment method could potentially benefit from treatment and improve overall survival (OS) and disease-free survival (DFS) in patients with cancer.
