A S Dhadda1, A Martin2, S Killeen2, I A Hunter2. 1. Queen's Centre for Oncology & Haematology, Castle Hill Hospital, Hull, UK. Electronic address: Amandeep.Dhadda@hey.nhs.uk. 2. Queen's Centre for Oncology & Haematology, Castle Hill Hospital, Hull, UK.
Abstract
AIMS: Contact radiotherapy for early rectal cancer uses 50 kV X-rays to treat rectal cancers under direct vision. We present data of a series of patients treated at a single centre with prospective follow-up and functional assessment. MATERIALS AND METHODS: All patients were treated at the Queen's Centre for Oncology, Hull, UK between September 2011 and October 2015. Patients received a biopsy, magnetic resonance imaging (MRI) of the liver/pelvis, computed tomography of the chest and endorectal ultrasound. Patients were deemed to be either unfit for radical surgery or refused it due to the need for a permanent stoma. Follow-up consisted of 3 monthly flexible sigmoidoscopy and MRI of the liver/pelvis and 12 monthly computed tomography of the chest. RESULTS: In total, 42 patients were treated with contact radiotherapy ± external beam chemo/radiotherapy without any primary surgical excision. The median age was 78 years (range 50-94 years). Local recurrence-free survival was 88%, disease-free survival was 86% and overall survival was 88% with a median follow-up of 24 months (range 5-54 months). The median time to recurrence was 12 months (range 4-14 months). The estimated 30 day surgical mortality for this cohort with radical surgery was 12%. Mortality from the contact radiotherapy procedure was 0%. Functional outcomes as investigated by the Low Anterior Resection Syndrome (LARS) score were good, with 65% having no LARS. CONCLUSIONS: Contact radiotherapy for early rectal cancer is a safe, well-tolerated outpatient procedure, allowing organ preservation, with excellent oncological and functional outcomes. For elderly co-morbid patients with suitable rectal cancers this should be considered as a standard of care. Crown
AIMS: Contact radiotherapy for early rectal cancer uses 50 kV X-rays to treat rectal cancers under direct vision. We present data of a series of patients treated at a single centre with prospective follow-up and functional assessment. MATERIALS AND METHODS: All patients were treated at the Queen's Centre for Oncology, Hull, UK between September 2011 and October 2015. Patients received a biopsy, magnetic resonance imaging (MRI) of the liver/pelvis, computed tomography of the chest and endorectal ultrasound. Patients were deemed to be either unfit for radical surgery or refused it due to the need for a permanent stoma. Follow-up consisted of 3 monthly flexible sigmoidoscopy and MRI of the liver/pelvis and 12 monthly computed tomography of the chest. RESULTS: In total, 42 patients were treated with contact radiotherapy ± external beam chemo/radiotherapy without any primary surgical excision. The median age was 78 years (range 50-94 years). Local recurrence-free survival was 88%, disease-free survival was 86% and overall survival was 88% with a median follow-up of 24 months (range 5-54 months). The median time to recurrence was 12 months (range 4-14 months). The estimated 30 day surgical mortality for this cohort with radical surgery was 12%. Mortality from the contact radiotherapy procedure was 0%. Functional outcomes as investigated by the Low Anterior Resection Syndrome (LARS) score were good, with 65% having no LARS. CONCLUSIONS: Contact radiotherapy for early rectal cancer is a safe, well-tolerated outpatient procedure, allowing organ preservation, with excellent oncological and functional outcomes. For elderly co-morbid patients with suitable rectal cancers this should be considered as a standard of care. Crown
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