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Impact of vaginal cylinder diameter on outcomes following brachytherapy for early stage endometrial cancer / 부인종양
Journal of Gynecologic Oncology ; : e84-2017.
Artigo em Inglês | WPRIM | ID: wpr-158841
ABSTRACT

OBJECTIVE:

To examine the outcomes (tolerability, toxicity, and recurrence) of vaginal brachytherapy (VBT) among endometrial cancer (EC) patients treated with small cylinder size.

METHODS:

Patients with EC who received adjuvant VBT between September 2011 and December 2015 were reviewed. Patients were fitted with the largest vaginal cylinder they could comfortably accommodate, from 2.0–3.0 cm diameter. Small cylinders were defined as size 2.3 cm or less. Patient, tumor, or treatment characteristics were correlated with need for small cylinders. Treatment tolerability, measures of gastrointestinal (GI), genitourinary (GU), and vaginal toxicity, and rates of recurrence were analyzed.

RESULTS:

Three hundred four patients were included. Small cylinders were used in 51 patients (17%). Normal body mass index (BMI; p<0.001), nulligravidity (p<0.001), and shorter vaginal length (p<0.001) were associated with small cylinder size. There was no acute or late grade 3 toxicity. Rates of acute (grade 1–2) GI, GU, or vaginal symptoms were low (10%, 11%, and 19%, respectively). Small cylinder size was associated with increased likelihood of reporting acute GI (p<0.05) but not GU or vaginal symptoms. Small cylinder size was associated with higher risk of grade 1–2 vaginal stenosis (odds ratio [OR]=4.7; 95% confidence interval [CI]=1.5–14.7; p=0.007). There was no association between cylinder size and recurrence rate (p=0.55).

CONCLUSION:

VBT is generally very well tolerated, however, patients fitted with smaller cylinders (commonly nulligravid and low BMI) may have increased side effects. Further study to improve the dosimetry of VBT for patients requiring small cylinders may be worthwhile.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Recidiva / Braquiterapia / Índice de Massa Corporal / Neoplasias do Endométrio / Constrição Patológica / Número de Gestações Limite: Feminino / Humanos Idioma: Inglês Revista: Journal of Gynecologic Oncology Ano de publicação: 2017 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Recidiva / Braquiterapia / Índice de Massa Corporal / Neoplasias do Endométrio / Constrição Patológica / Número de Gestações Limite: Feminino / Humanos Idioma: Inglês Revista: Journal of Gynecologic Oncology Ano de publicação: 2017 Tipo de documento: Artigo