Granulocytic sarcoma of the larynx. Case report and review of the literature. Granulocytic sarcoma is a rare extramedullary tumor. It occurs either as an isolated tumor or associated with acute or chronic myelogenous leukemia. It has also been reported in patients with myelodysplastic syndromes when the granulocytic sarcoma is a harbinger of imminent disease progression. Granulocytic sarcoma can occur anywhere in the body. The larynx is a rare site of this lesion. A first case of glottic localisation is presented. The treatment of granulocytic sarcoma must include surgery, radiation and chemotherapy.