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Colorectal cancer metastases to the thyroid gland:A case report

World Journal of Gastrointestinal Surgery 2020年第3期12卷 116-122页

作者： Patricia Ciriano Hernández Carlos Martínez Pinedo Enrique Calcerrada Alises Esther García Santos Susana Sánchez García Rafael Picón Rodríguez Elisa Jiménez Higuera Daniel Sánchez Peláez Violeta Herrera Montoro esús Martín Fernández Department of Surgery Hospital General Universitario de Ciudad RealCiudad Real 13005Spain Department of Pathology Hospital General Universitario de Ciudad RealCiudad Real 13005Castilla La ManchaSpain

BACKGROUND Secondary malignancies of the thyroid gland are a rare finding in clinical practice.In addition,colorectal metastasis to the thyroid(CMT)is even more infrequently diagnosed.The source of the primary tumor follows demographic and ethnic patterns,which reflects the most prevalent malignancies in the different populations.colorectal cancer is one of the most common types of cancer worldwide;nevertheless,CMT is infrequently diagnosed.Most of them are identified during the follow-up of gastrointestinal primary malignancies.Due to the improvement of image techniques,oncological treatment,and follow-up,survival and consequent diagnosis of metastatic disease are more frequent.Those facts make this entity a diagnostic and therapeutic challenge,due to the lack of information and the difficulties performing clinical trials and research.CASE SUMMARY Here,we present a case report of a patient diagnosed with CMT of adenocarcinoma of the rectum evidenced during follow-up,4 years after neoadjuvant chemoradiotherapy,who had subsequent curative surgical treatment of the primary tumor and inter-current lung bilateral metastases.CONCLUSION Thyroid metastases of extra-thyroid origin are an uncommon finding,even rarer in cases of CMT.The diagnostic process,as well as survival of oncologic patients is improving,and consequently the number of metastases to the thyroid gland is increasing.

关键词： Colorectal cancer metastases Thyroid gland Case report Thyroid metastases

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Role of advanced imaging techniques in the evaluation of oncological therapies in patients with colorectal liver metastases

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World Journal of Gastroenterology 2023年第3期29卷 521-535页

作者： Martina Caruso Arnaldo Stanzione Anna Prinster Laura Micol Pizzuti Arturo Brunetti Simone Maurea Pier Paolo Mainenti Department of Advanced Biomedical Sciences University of Naples"Federico II"Napoli 80131Italy Institute of Biostructures and Bioimaging National Research CouncilNapoli 80131Italy

In patients with colorectal liver metastasis(CRLMs)unsuitable for surgery,oncological treatments,such as chemotherapy and targeted agents,can be performed.Cross-sectional imaging[computed tomography(CT),magnetic resonance imaging(MRI),18-fluorodexoyglucose positron emission tomography with CT/MRI]evaluates the response of CRLMs to therapy,using post-treatment lesion shrinkage as a qualitative imaging parameter.This point is critical because the risk of toxicity induced by oncological treatments is not always balanced by an effective response to them.Consequently,there is a pressing need to define biomarkers that can predict treatment responses and estimate the likelihood of drug resistance in individual patients.Advanced quantitative imaging(diffusionweighted imaging,perfusion imaging,molecular imaging)allows the in vivo evaluation of specific biological tissue features described as quantitative parameters.Furthermore,radiomics can represent large amounts of numerical and statistical information buried inside cross-sectional images as quantitative parameters.As a result,parametric analysis(PA)translates the numerical data contained in the voxels of each image into quantitative parameters representative of peculiar neoplastic features such as perfusion,structural heterogeneity,cellularity,oxygenation,and glucose consumption.PA could be a potentially useful imaging marker for predicting CRLMs treatment response.This review describes the role of PA applied to cross-sectional imaging in predicting the response to oncological therapies in patients with CRLMs.

关键词： Colorectal cancer metastases Prediction response Computed tomography Magnetic resonance imaging Positron emission tomography Parametric imaging

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