The lancet oncology
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The management of metastatic solid tumours has historically focused on systemic treatment given with palliative intent. However, radical surgical treatment of oligometastases is now common practice in some settings. The development of stereotactic body radiotherapy (SBRT), building on improvements in delivery achieved by intensity-modulated and image-guided radiotherapy, now allows delivery of ablative doses of radiation to extracranial sites. ⋯ Although complete cure might be possible in a few patients with oligometastases, the aim of SBRT in this setting is to achieve local control and delay progression, and thereby also postpone the need for further treatment. We review published work showing that SBRT offers durable local control and the potential for progression-free survival in non-liver, non-lung oligometastatic disease at a range of sites. However, to test whether SBRT really does improve progression-free survival, randomised trials will be essential.
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The RAF inhibitors vemurafenib and dabrafenib are emerging as the standard of care for Val600 BRAF-mutant metastatic melanoma. These drugs have shown clinical benefit over the standard care (dacarbazine); however, they are associated with frequent cutaneous adverse events, which can be concerning to the patient and their physician. Herein, we review the range of cutaneous disorders that seem to be induced by RAF inhibitors, including cutaneous squamous-cell carcinoma, hyperkeratotic lesions, Grover's disease, keratosis pilaris-like reactions, and photosensitivity. These disorders often affect patients' quality of life; therefore, dermatological assessment and timely management is essential to ensure that patients continue to use RAF inhibitors.
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Glial tumours in children have distinct patterns of epigenetic alteration, chromosomal structure, and gene and protein expression that differentiate them from their histological counterparts in adults. Understanding paediatric gliomas at the molecular level provides important prognostic and therapeutic insights, such as which genetic alterations confer a favourable response to adjuvant therapy, or which signalling pathways might be amenable to specific molecularly targeted agents. For clinicians, the ultimate goal is to individualise therapeutic regimens on the basis of the molecular fingerprint of a particular tumour and the prognosis conferred by this profile. In this Review, we examine a series of studies of molecular and genomic analysis of glial tumours in children, and discuss the many clinical insights that these molecular features provide.