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Thyroid cancer runs the gamut from indolent micropapillary carcinoma to highly aggressive metastatic disease. Today, using prognostic algorithms, treatment and follow-up can be tailored to each patient in order to decrease overtreatment and over-medicalization of indolent disease. Active surveillance of papillary thyroid carcinoma less than 1cm avoids surgery and thyroid hormone replacement in a large proportion of patient whose tumors remain stable for years. Total thyroidectomy, once a dogma in the treatment of all thyroid cancer, is being supplanted by thyroid lobectomy for low-risk cancers, thereby decreasing the surgical risks involved and improving patients' quality of life. Indications for prophylactic central neck dissection, once mandatory, are now being adapted to the risk of cancer recurrence. Radioactive iodine therapy, also previously mandatory for all, is now only employed according to risk factors and expected outcomes. Follow-up is also being tailored to risk factors for recurrence, with less frequent visits and less use of ultrasound and scintigraphy. For more advanced disease, molecular therapies tailored to somatic mutations are opening opportunities for redifferentiation of aggressive tumors which become amenable to radioactive iodine therapy which carries fewer side effects than other systemic therapies. These advances in the management of thyroid cancer with a personalized approach and de-escalation of treatment and follow-up are improving the way we treat thyroid cancer, avoiding overtreatment and improving patients' quality of life., (Copyright © 2021 Société Française du Cancer. Published by Elsevier Masson SAS. All rights reserved.)

The bases of humanitarian assistance, beyond a legal norm--which appears to be essential given the inalienable obligations that result for all participating bodies--are influenced by philosophical and political conceptualizations framed in an ethics of justice. Actors in the humanitarian field who adhere to the Rawlsian social contract model their actions based on a philosophy that assistance is a noble and desirable option that remains in the hands of those who offer aid, and who can freely choose to not offer such assistance. Peter Singer and Thomas Pogge propose nuances to the understanding of the duty of assistance. Not assisting would be bad, basically tantamount to killing. Assistance is no longer a caring act deserving of praise, but rather a moral obligation. The financial imperatives of associations, the growing complexity of activities and the development of an important element of communication lead to a professionalization of humanitarian medicine. A modern vision of humanitarian assistance requires an understanding of justice and solidarity and global outreach. We believe that ethics need to be embedded firmly in humanitarian actions that have clear political implications.

Thromboangiitis obliterans or Buerger's disease is a rare arteritis affecting mainly young male smokers. Distal limb symptoms are well-known. Digestive manifestations, especially when inaugural, are less known and sometimes misdiagnosed. We report the case of a 37-year-old man who developed a large mesenteric infarct with diffuse ischemic colitis and ischemia in the hepatic artery field. Histopathological findings were consistent with thromboangiitis obliterans. Unexplained abdominal pain, even if inaugural, in young male smokers, should evoke the possibility of Buerger's disease.