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Clinical Etiology of Hypermetabolic Pelvic Lesions in Postoperative Positron Emission Tomography/Computed Tomography for Patients With Rectal and Sigmoid Cancer
Annals of Coloproctology ; : 78-82, 2018.
Artigo em Inglês | WPRIM | ID: wpr-713996
ABSTRACT

PURPOSE:

The purpose of this study was to present various clinical etiologies of hypermetabolic pelvic lesions on postoperative positron emission tomography/computed tomography (PET/CT) images for patients with rectal and sigmoid cancer.

METHODS:

Postoperative PET/CT images for patients with rectal and sigmoid cancer were retrospectively reviewed to identify hypermetabolic pelvic lesions. Positive findings were detected in 70 PET/CT images from 45 patients; 2 patients who were lost to follow-up were excluded. All PET findings were analyzed in comparison with contrast-enhanced CT.

RESULTS:

A total of 43 patients were classified into 2 groups patients with a malignancy including local recurrence (n = 30) and patients with other benign lesions (n = 13). Malignant lesions such as a local recurrent tumor, peritoneal carcinomatosis, and incidental uterine malignancy, as well as various benign lesions such as an anastomotic sinus, fistula, abscess, reactive lymph node, and normal ovary, were observed.

CONCLUSION:

PET/CT performed during postoperative surveillance of rectal and sigmoid colon cancer showed increased fluorodeoxyglucose uptake not only in local recurrence, but also in benign pelvic etiologies. Therefore, physicians need to be cautious about the broad clinical spectrum of hypermetabolic pelvic lesions when interpreting images.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Ovário / Recidiva / Neoplasias do Colo Sigmoide / Colo Sigmoide / Carcinoma / Neoplasias Colorretais / Tomografia Computadorizada por Raios X / Estudos Retrospectivos / Fluordesoxiglucose F18 / Tomografia por Emissão de Pósitrons Tipo de estudo: Estudo de etiologia / Estudo observacional / Estudo prognóstico Limite: Feminino / Humanos Idioma: Inglês Revista: Annals of Coloproctology Ano de publicação: 2018 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Ovário / Recidiva / Neoplasias do Colo Sigmoide / Colo Sigmoide / Carcinoma / Neoplasias Colorretais / Tomografia Computadorizada por Raios X / Estudos Retrospectivos / Fluordesoxiglucose F18 / Tomografia por Emissão de Pósitrons Tipo de estudo: Estudo de etiologia / Estudo observacional / Estudo prognóstico Limite: Feminino / Humanos Idioma: Inglês Revista: Annals of Coloproctology Ano de publicação: 2018 Tipo de documento: Artigo