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Evaluating the use of external beam radiation alone in the management of cervix cancer

Published online by Cambridge University Press:  27 June 2017

Thuraya Al-Hajri ,
Naghmeh Isfahanian ,
Najlaa Alyamani ,
Soha Atallah ,
E. Choan ,
Tien Le  and
Rajiv Samant
Thuraya Al-Hajri*
Affiliation:
Division of Radiation Oncology, The Ottawa Hospital, Ottawa, ON, Canada
Naghmeh Isfahanian
Affiliation:
Division of Radiation Oncology, The Ottawa Hospital, Ottawa, ON, Canada
Najlaa Alyamani
Affiliation:
Division of Radiation Oncology, The Ottawa Hospital, Ottawa, ON, Canada
Soha Atallah
Affiliation:
Division of Radiation Oncology, The Ottawa Hospital, Ottawa, ON, Canada
E. Choan
Affiliation:
Division of Radiation Oncology, The Ottawa Hospital, Ottawa, ON, Canada
Tien Le
Affiliation:
Division of Gynecology Oncology, The Ottawa Hospital, Ottawa, ON, Canada
Rajiv Samant
Affiliation:
Division of Radiation Oncology, The Ottawa Hospital, Ottawa, ON, Canada
*
Correspondence to: Thuraiya Al-Hajri, Division of Radiation Oncology, The Ottawa Hospital, 501 Smyth Road, Ottawa, ON, Canada, K1H 8L6. Tel: +1 613 798 5555, Ext. 70241. Fax: +1 613 247 3511. E-mail: x_thuraya_x@hotmail.com
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Abstract

Aim

To determine the outcome of patients with locally advanced cervix cancer treated with curative intent using external beam radiotherapy (EBRT), without brachytherapy.

Materials and methods

A chart review was performed of all patients with cervix cancer who received EBRT alone at our centre from 2000 to 2010. Overall survival and local control were evaluated using Kaplan–Meier survival curves.

Results

In total, 22 patients were identified. The median age and follow-up were 56 years and 65 months, respectively. The stage included IB to IVB. Main histology was squamous cell carcinoma (82%). Median tumour size was 5·5 cm. Majority treated with 3D conformal techniques and nine patients (41%) were treated with intensity-modulated radiation therapy (IMRT); 14 patients received doses of ≥65 Gy. Most patients (73%) received weekly concurrent cis-platinum. The major reason for not receiving brachytherapy was locally extensive tumour (59%). The 5-year relapse-free survival and overall survival rates were 57 and 50%, respectively. Seven patients (32%) had a component of loco-regional failure, mainly within the cervix. There was a better outcome among the nine patients treated with IMRT to a median dose of 66 Gy with a loco-regional control of 78%.

Conclusions

Patients who cannot have brachytherapy may still achieve acceptable rates of loco-regional disease control if high radiation doses (>65 Gy) was delivered.

Keywords

brachytherapycervix cancerIMRToutcomesradiotherapy
Type
Original Articles
Information
Journal of Radiotherapy in Practice , Volume 17 , Issue 1 , March 2018 , pp. 37 - 43
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Copyright
© Cambridge University Press 2017 

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