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COVID-19 is an exceptional public healthcare emergency that affected all countries. The corona virus pandemic has made the treatment of all cancers difficult. This international phenomenon represents an outbreak in medicine and this situation is a major issue for all patients, whether they are infected with the virus or not. Colorectal cancer is one of the most common malignant tumors of the digestive tract which needs special multidisciplinary care. Treatment modalities including chemotherapy and targeted therapies can weaken the immune system and then cause serious or lethal coronavirus infections. This document gives an idea about how we dealt to protect patients with colorectal cancer at Salah Azaiez Institute during COVID 19 pandemic.

Background: Primary giant cell tumor (GCT) of soft tissue (GCTST) is an extremely rare slow-growing entity bearing a high similarity to conventional bone TCG (GCTB). The term, malignant tumor of giant cells of soft tissues have been reserved for histologically high-grade lesions. Although the gold standard remains surgical carcinological resection, bisphosphonates are beginning to prove their benefit in the treatment of GCTST.

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