https://www.selleckchem.com/pr....oducts/derazantinib.
Introduction Leukocytosis and particularly neutrophilia are usually caused by acute infection, inflammation, and myeloproliferative neoplasms. However, leukocytosis can also occur in patients with malignancy either due to bone marrow metastases or in the context of a paraneoplastic syndrome. Case presentation An 86-year-old female was admitted to our hospital due to marked leukocytosis (white blood cells [WBC] 40,000/μL), neutrophilia, and monocytosis. She was afebrile and reported hoarseness and mild difficulty swallowing. Upo