Clinical medicine (London, England)
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Primary and secondary liver malignancies are common and associated with a poor prognosis. Surgical resection is the treatment of choice; however, many patients have unresectable disease. In these cases, several liver directed therapies are available, including selective internal radiation therapy (SIRT). ⋯ In patients who have progressed following chemotherapy, clinical trials demonstrate prolonged liver progression-free survival. SIRT is offered at 10 centres in England via the NHS England Commissioning through Evaluation programme and is approved by the National Institute for Health and Care Excellence for certain liver malignancies. SIRT holds unique promise for personalised treatment of liver tumours.
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Molecular radiotheragnostics directly links nuclear medicine diagnostic imaging to therapy. The imaging study is used to detect a specific molecular target associated with a disease process. A radiotherapeutic molecule with a similar biodistribution to the diagnostic agent can then be used to deliver targeted therapy. ⋯ The specific molecular pathway targeted is the sodium/iodide symporter (NIS) located on the basolateral membrane of the thyroid follicular cell. Radiolabelling of iodide or a similar ion allows targeting of the NIS system with radiopharmaceuticals for imaging (123I-radioiodine and 99mTc-pertechnetate) and treatment (131I-radioiodine) by virtue of their gamma ray and beta-particle emissions, respectively. Scintigraphic imaging directly guides 131I-radioiodine treatment planning to maximise therapeutic benefit while minimising adverse reactions, in a personalised medicine approach.
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Ulcerative colitis is a chronic, relapsing and remitting -inflammatory disease of the colon and rectum. Effective -management requires prompt recognition and treatment of those with acute relapses as well as appropriate choice and monitoring of drugs for maintenance of remission. ⋯ Treatment options need to be discussed with those with -ulcerative colitis and their families and appropriate information provided. This concise guideline focuses (with the generalist particularly in mind) on recommendations from the National Institute for Health and Care Excellence clinical guideline 166 considered of key importance for implementation.
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Case Reports
Lesson of the month 1: Spontaneous septic thrombophlebitis presenting with bacteraemia diagnosed by PET-CT scan.
Spontaneous septic thrombophlebitis is a rare complication of Staphylococcus aureus bacteraemia. Its true incidence is unknown as septic thrombus is not often considered as a source in the typical 'screen' of tests used to find the source of a bacteraemia. ⋯ In this case, PET-CT enabled the identification of the source of a septic thrombus and enabled focused management. PET-CT should be considered as part of the raft of tests used to identify an obscure source of fever/bacteraemia.