Publications by authors named "Ploeg I"

The treatment of breast cancer during pregnancy requires careful consideration of consequences for both maternal and fetal health. In non-pregnant patients, the use of radioactive iodine-125 (125I)-seeds is standard practice for localising non-palpable breast tumors before breast-conserving surgery. However, the use of 125I-seeds in pregnant patients has been avoided due to concerns about fetal radiation exposure.

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Article Synopsis
  • The study examines the impact of immediate breast reconstruction (IBR) on the quality of life for breast cancer patients in the Netherlands over the past decade.
  • Findings show a significant increase in IBR usage for both ductal carcinoma in situ (DCIS) and invasive breast cancer, with positive associations linked to patient age and treatment factors.
  • Despite the overall rise in IBR, there are notable differences in its application among various hospitals, prompting further research to address these disparities.
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Purpose: Patient-reported outcome measures (PROMs) are questionnaires completed by patients to gain insight in their health-related quality of life. However, patients often find the interpretation of PROMS challenging. A personalized narrative, i.

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Purpose: This study aimed to identify feasible, evidence-based strategies to improve the use of Patient-reported outcome measures (PROMs) implemented in clinical oncology practice.

Methods: A mixed-method study involving observations of consultations and semi-structured interviews with patients and healthcare professionals (HCPs) was conducted to identify facilitators and barriers for using PROMs; barriers and facilitators were structured following the Theoretical Domains Framework. For each barrier, evidence-based improvement strategies were selected using the Behaviour Change Techniques Taxonomy v1.

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Introduction: An increasing number of breast cancer patients undergo breast-conserving surgery (BCS), but multiple ipsilateral breast cancer (MIBC) is still considered a relative contraindication for breast conservation. This study provides an update on trends in the surgical management for MIBC over a 10-year period.

Methods: Nationwide data from the Netherlands Cancer Registration of all patients diagnosed with breast cancer between 2011 and 2021 were analysed.

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Purpose: Breast cancer (BC) patients undergoing FDG-PET/CT scans for neoadjuvant chemotherapy (NAC) may have additional non-BC related findings. The aim of this study is to describe the clinical implications of these findings.

Methods: We included BC patients who underwent an FDG-PET/CT scan in our institute between 2011-2020 prior to NAC.

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Background: Nipple preservation contributes to aesthetic outcome and quality of life in women undergoing Skin-Sparing Mastectomy (SSM) with immediate breast reconstruction for the treatment of breast cancer. Intraoperative Frozen Section (IFS) has been advocated to facilitate conversion from Nipple-Sparing Mastectomy (NSM) to SSM in cases with positive subareolar margins. This study investigated the application of IFS at our comprehensive cancer centre.

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Background: With increasing survival rates of adolescents and young adults (AYAs) with breast cancer, health-related quality of life (HRQoL) becomes more important. An important aspect of HRQoL is sexual QoL. This study examined long-term sexual QoL of AYA breast cancer survivors, compared sexual QoL scores with that of other AYA cancer survivors, and identified factors associated with long-term sexual QoL of AYA breast cancer survivors.

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Introduction: Breast cancer patients with invasive lobular carcinoma (ILC) have an increased risk of positive margins after surgery and often show little response to neoadjuvant chemotherapy (NAC). We aimed to investigate surgical outcomes in patients with ILC treated with NAC.

Methods: In this retrospective cohort study, all breast cancer patients with ILC treated with NAC who underwent surgery at the Netherlands Cancer Institute from 2010 to 2019 were selected.

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The aim was to investigate the effects of physical activity on prescription (PAP) compared with standard care (SC) in adult drug-naïve T2D patients. A randomized control trial was conducted with drug-naïve T2D patients attending an out-patient clinic Vietnam. Participants were randomly assigned to the PAP group (n+=+44) or the SC group (n+=+43).

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Introduction: Some aspects of the treatment protocol for breast cancer during pregnancy (PrBC) have not been thoroughly studied. This study provides clarity regarding the safety of the use of I-seeds as a localization technique for breast-conserving surgery in patients with PrBC.

Methods: To calculate the exposure to the fetus of one I-seed implanted in a breast tumor, we developed a model accounting for the decaying I-source, time to surgery, and the declining distance between the I-seed and the fetus.

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Objective: To investigate the incidences of prostate-specific membrane antigen (PSMA) thyroid incidentaloma (PTI) using different methods to define PTI, to compare the incidence of PTI among different PSMA PET tracers, and to evaluate the clinical consequences of PTI.

Methods: PSMA PET/CT scans in consecutive patients with primary prostate cancer were analyzed for the presence of PTI using a structured visual (SV) analysis reporting any elevated thyroidal uptake; a semi-quantitative (SQ) analysis using a SUVmax thyroid/bloodpool (t/b) ratio ≥ 2.0 as cutoff; and an analysis of PTI incidence in the clinical reports (RV analysis).

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Background: Breast cancer (BC) and differentiated thyroid cancer (TC) are two common cancer types with the highest incidence in women. BC and TC can develop synchronous or metachronous and the occurrence of both is higher than expected by chance. This study aimed to examine the association between BC and TC in the Netherlands.

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Purpose: The use of Patient-Reported Outcome Measures (PROMs) for individual patient management within clinical practice is becoming increasingly important. New evidence about graphic visualization formats for PROMs scores has become available. This systematic literature review evaluated evidence for graphic visualization formats of PROMs data in clinical practice for patients and clinicians, for both individual and group level PROMs data.

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Purpose: A prostate-specific membrane antigen (PSMA) thyroid incidentaloma (PTI) is an unexpected, PSMA-avid thyroid lesion, newly detected during the investigation of an unrelated condition using PSMA PET/CT. The aim of this study is to examine the incidence and clinical significance of PTI and the associated management strategies since the implementation of the PSMA PET/CT scan.

Methods: This study involves a retrospective cohort study of 61 PTI cases depicted on PSMA PET/CT scans performed between January 2016 and July 2021, almost exclusively for (re)staging prostate cancer.

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Article Synopsis
  • A thyroid incidentaloma (TI) is a surprise finding in the thyroid that doctors discover while checking for something else, usually during a PET scan.
  • In a study of over 1,000 patients who had these findings, only a small number (1.9%) were found during cancer scans, and most didn't need surgery.
  • Only one patient died from thyroid cancer, showing that many people can safely skip extra tests and treatments for their TI unless they have specific risks.
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Reaching the recommendation on physical activity (PA) for health is highly important to effectively manage blood glucose in patients with type 2 diabetes (T2D). The aims of this study were to assess the level and pattern of PA among T2D outpatients and to relate PA levels to glucose control. A cross-sectional study was conducted in outpatient clinics in Hanoi, Vietnam.

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Thyroid cancer is one of the most common carcinomas diagnosed in adolescents and young adults, with a rapidly rising incidence for the past three decades. Surgery is the standard treatment for patients with differentiated thyroid carcinoma (DTC), and when indicated, followed by radioactive iodine (RAI) treatment. The aim of this study was to evaluate the possible effects of RAI therapy on ovarian function and fertility in women.

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Objectives: Lymphoscintigraphy is considered a useful tool to optimize sentinel lymph node (SLN) identification. Nonvisualization of the SLN is associated with a lower SLN identification rate. The aim of this study was to identify preoperative factors associated with SLN nonvisualization on lymphoscintigraphy.

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Background And Objectives: Preoperative lymphoscintigraphy does not always visualize a sentinel lymph node (SLN). The study aim was to investigate whether persistent nonvisualization after additional single-photon emission computed tomography (SPECT)/CT or a second radiotracer injection in breast cancer patients is associated with nodal metastases or worse outcome due to potential understaging and consequently undertreatment.

Methods: Altogether 2042 consecutive SLN procedures were evaluated.

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Background: Removal of internal mammary chain sentinel nodes (IMCSNs) affects prognosis and treatment of breast cancer, and internal mammary chain radiotherapy (IMCRT) can improve survival for selected patients. This study aimed to determine the effect of IMCSN biopsy on recurrence-free survival (RFS) and overall survival (OS) and to identify predictive factors for IMCSN and distant metastasis.

Methods: Patients with IMCSNs were selected from a prospective database for the period 1999-2007.

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Background: Regular physical activity (PA) has documented effects in prevention and treatment of many non-communicable diseases (NCDs). Physical inactivity is recognized as the fourth leading risk factor for premature death, worldwide. Despite these facts, physical inactivity is increasing, not only in high-income, but also in middle- and low-income countries.

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Sentinel node biopsy is a widely used staging procedure in melanoma. It is usually performed using the triple technique: lymphatic mapping after injection of a radiopharmaceutical, blue dye injection, and the use of a gamma probe. Blue dye offers visual confirmation of the location of the sentinel lymph node (SN).

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The anti-apoptotic protein B cell lymphoma/leukaemia 2 (BCL-2) is highly expressed in neuroblastoma and plays an important role in oncogenesis. In this study, the selective BCL-2 inhibitor ABT199 was tested in a panel of neuroblastoma cell lines with diverse expression levels of BCL-2 and other BCL-2 family proteins. ABT199 caused apoptosis more potently in neuroblastoma cell lines expressing high BCL-2 and BIM/BCL-2 complex levels than low expressing cell lines.

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