Background: Survivors of childhood brain tumours (SCBT) and teenage and young adult cancer survivors have an adverse cardiovascular risk profile, which translates into an increased vascular mortality. Data on cardiovascular risk profiles in SCBT are limited, and furthermore, there are no data in adult-onset (AO) brain tumours.
Patients And: methods: Fasting lipids, glucose, insulin, 24-h blood pressure (BP), and body composition were measured in 36 brain tumour survivors (20 AO; 16 childhood-onset (CO)) and 36 age- and gender-matched controls.
The clinical outcome of chronic myeloid leukaemia patients has vastly improved since the introduction of tyrosine kinase inhibitor treatment, with a significant proportion of patients able to achieve treatment-free remission. However, studies have shown that patients with the e13a2 transcript were less likely to achieve major molecular response compared to those with e14a2 transcripts. Most quantitative polymerase chain reaction (PCR) assays for detection of the BCR-ABL1 fusion gene do not differentiate between the two transcripts and we therefore hypothesised that technical bias linked to the qPCR assay could partially explain the discrepancy in outcomes.
View Article and Find Full Text PDFFormalin is the principal tissue fixative used worldwide for clinical and research purposes. Despite optimal preservation of morphology, its preservation of DNA and RNA is poor. As clinical diagnostics increasingly incorporates molecular-based analysis, the requirement for maintaining nucleic acid quality is of increasing importance.
View Article and Find Full Text PDFBackground: The 2014 British Thyroid Association thyroid cancer guidelines recommend lifelong follow-up of all thyroid cancer patients. This is probably unnecessary, particularly for differentiated thyroid cancer (DTC) patients with an excellent response to treatment and places significant demand on health service resources.
Design: Single centre retrospective cohort analysis of patients diagnosed and treated at the Leeds Cancer Centre between 2001 and 2014.
Purpose: Approximately 1-2% of chronic myeloid leukemia (CML) patients harbor atypical BCR-ABL1 transcripts that cannot be monitored by real-time quantitative PCR (RT-qPCR) using standard methodologies. Within the European Treatment and Outcome Study (EUTOS) for CML we established and validated robust RT-qPCR methods for these patients.
Methods: BCR-ABL1 transcripts were amplified and sequenced to characterize the underlying fusion.
Aims: Targeted therapies for non-small cell lung carcinoma (NSCLC) rely on the detection of specific genomic lesions, such as mutations within the epidermal growth factor receptor () gene. The Biocartis Idylla platform and single-use EGFR mutation test cartridge is CE-IVD for use with formalin-fixed paraffin embedded (FFPE) tumour material, but can also function off-scope using extracted DNA as input material. This can expand the utility of the platform and potentially conserve valuable tissue.
View Article and Find Full Text PDFAn amendment to this paper has been published and can be accessed via a link at the top of the paper.
View Article and Find Full Text PDFAims: Lenvatinib is an oral multi-kinase inhibitor approved for the treatment of adults with progressive, locally advanced or metastatic, differentiated thyroid carcinoma refractory to radioactive iodine.
Materials And Methods: A literature review was undertaken to inform the development of consensus-based guidance for the routine management of adverse events associated with lenvatinib. PubMed was searched on 24 October 2017; the search terms were 'lenvatinib' and 'thyroid cancer'.
There are no validated molecular biomarkers to identify newly-diagnosed individuals with chronic-phase chronic myeloid leukemia likely to respond poorly to imatinib and who might benefit from first-line treatment with a more potent second-generation tyrosine kinase inhibitor. Our inability to predict these 'high-risk' individuals reflects the poorly understood heterogeneity of the disease. To investigate the potential of genetic variants in epigenetic modifiers as biomarkers at diagnosis, we used Ion Torrent next-generation sequencing of 71 candidate genes for predicting response to tyrosine kinase inhibitors and probability of disease progression.
View Article and Find Full Text PDFClin Oncol (R Coll Radiol)
June 2019
Aims: To obtain an overview of the management and outcomes of children aged 18 years or younger diagnosed with differentiated thyroid carcinoma of follicular cell origin across the UK, by collecting and analysing data from the limited number of centres treating these patients. This multicentre data might provide a more realistic perspective than single-institution series.
Materials And Methods: Six centres submitted data extracted from historical records on patients aged 18 years or younger, diagnosed between 1964 and 2017.
Background: Childhood brain tumour survivors who receive cranial radiotherapy undergo regular surveillance for the development ofhypothalamic-pituitary (HP) axis dysfunction. Much less attention has been given to radiation-induced hypopituitarism in patients with malignant brain tumours of adult onset.
Design: Retrospective cohort study.
Minimal residual disease (MRD) is a powerful prognostic factor in acute lymphoblastic leukemia (ALL) and is used for patient stratification and treatment decisions, but its precise role in Philadelphia chromosome positive ALL is less clear. This uncertainty results largely from methodological differences relating to the use of real-time quantitative PCR (qRT-PCR) to measure BCR-ABL1 transcript levels for MRD analysis. We here describe the first results by the EURO-MRD consortium on standardization of qRT-PCR for the e1a2 BCR-ABL1 transcript in Ph + ALL, designed to overcome the lack of standardisation of laboratory procedures and data interpretation.
View Article and Find Full Text PDFSolid pseudopapillary neoplasms of the pancreas are rare neoplasms that have been shown to harbor recurrent somatic pathogenic variants in the beta-catenin gene, CTNNB1. Here, we used targeted next generation sequencing to analyze these tumors for other associated mutations. Six cases of solid pseudopapillary neoplasms were studied.
View Article and Find Full Text PDFObjective: Pancreatic ductal adenocarcinoma (PDAC) is an aggressive tumour associated with poor 5-year survival. We aimed to determine factors which differentiate short and long-term survivors and identify a prognostic biomarker.
Methods: Over a ten-year period, patients with resected PDAC who developed disease recurrence within 12 months (Group I) and those who had no disease recurrence for 24 months (Group II) were identified.
Aims: The 2014 British Thyroid Association thyroid cancer guidelines recommend lifelong follow-up of thyroid cancer patients. This is probably unnecessary, can cause patient anxiety, is time consuming and places significant demand on National Health Service resources. It has been suggested that low-risk differentiated thyroid cancer (DTC) patients could be discharged to primary care once they are 5 years from diagnosis and treatment.
View Article and Find Full Text PDFPrimary care oral surgery services vary markedly throughout the country but until now there has been a paucity of data on these services. The British Association of Oral Surgeons (BAOS) primary care group (the authors) were tasked to gather data around primary care oral surgery contracts and tariffs and provide evidence-based recommendations on the commissioning of these services. Following a freedom of information (FOI) request, data were obtained for 27 English local area teams and seven Welsh local health boards.
View Article and Find Full Text PDFIntroduction With the expansion of oral surgery services into the primary care sector there is a need to monitor the quality of the care provided. The Guide for Commissioning Oral Surgery and Oral Medicine proposed a set of questions to be used as patient related experience and outcome measures (PREMs and PROMs).Aim The British Association of Oral Surgeons (BAOS) primary care group (which includes the authors) were tasked by the Chief Dental Officer for England to test the suitability of these PREMs and PROMs.
View Article and Find Full Text PDFAims: When a fixed activity of radioiodine is given for differentiated thyroid cancer (DTC), absorbed doses of radioiodine can vary widely and are not usually measured. Leeds Cancer Centre has routinely used a form of lesion-specific dosimetry for radioiodine patients. This study investigated if the results of dosimetry influenced treatment decisions for patients with advanced DTC.
View Article and Find Full Text PDFIkaros and Foxp1 are transcription factors that play key roles in normal lymphopoiesis and lymphoid malignancies. We describe a novel physical and functional interaction between the proteins, which requires the central zinc finger domain of Ikaros. The Ikaros-Foxp1 interaction is abolished by deletion of this region, which corresponds to the IK6 isoform that is commonly associated with high-risk acute lymphoblastic leukemia (ALL).
View Article and Find Full Text PDFMolecular monitoring of BCR-ABL1 expression in chronic myeloid leukaemia (CML) is well established. As the International Scale (IS) normalised BCR-ABL1/ABL1 ratio at 3 months post-treatment is now an important milestone in patients' treatment schedule, the reliable and reproducible measurement of BCR-ABL1 levels is therefore paramount. IS conversion factors (CF) are established via sample exchange and yearly ratification with an external reference laboratory.
View Article and Find Full Text PDFMolecular monitoring of chronic myeloid leukemia patients using robust BCR-ABL1 tests standardized to the International Scale (IS) is key to proper disease management, especially when treatment cessation is considered. Most laboratories currently use a time-consuming sample exchange process with reference laboratories for IS calibration. A World Health Organization (WHO) BCR-ABL1 reference panel was developed (MR(1)-MR(4)), but access to the material is limited.
View Article and Find Full Text PDFObjective: This article evaluates the use of the Index of Sedation Need in oral surgery.
Design: Service evaluation and audit.
Setting: Oral surgery department of a London dental teaching hospital.