{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T07:47:11Z","timestamp":1775634431613,"version":"3.50.1"},"reference-count":106,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2025,1,12]],"date-time":"2025-01-12T00:00:00Z","timestamp":1736640000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cancers"],"abstract":"<jats:p>CNL is a rare subtype of MPNs characterized by persistent neutrophilia, bone marrow hypercellularity, and specific genetic mutations, particularly in the CSF3R gene. Advances in molecular diagnostics have greatly enhanced our understanding of CNL, distinguishing it from other myeloproliferative disorders and refining diagnostic criteria. This review provides an updated overview of CNL, focusing on breakthroughs in genetic profiling, including novel mutations with potential prognostic value and implications for targeted therapy. We discuss current management strategies, emphasizing the role of JAK inhibitors, allogeneic stem cell transplantation, and evolving investigational treatments. Challenges in early diagnosis, therapeutic resistance, and future directions in research are also addressed, underscoring the need for a personalized medicine approach to improve outcomes for patients with CNL.<\/jats:p>","DOI":"10.3390\/cancers17020227","type":"journal-article","created":{"date-parts":[[2025,1,13]],"date-time":"2025-01-13T05:40:40Z","timestamp":1736746840000},"page":"227","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Chronic Neutrophilic Leukemia: Advances in Diagnosis, Genetic Insights, and Management Strategies"],"prefix":"10.3390","volume":"17","author":[{"given":"Ismail","family":"Elbaz Younes","sequence":"first","affiliation":[{"name":"Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pawel","family":"Mroz","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mehrnoosh","family":"Tashakori","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amira","family":"Hamed","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Siddhartha","family":"Sen","sequence":"additional","affiliation":[{"name":"Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN 55455, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,1,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"A18","DOI":"10.1097\/00000441-192007000-00003","article-title":"A case of splenomegaly with polymorphonuclear neutrophil hyperleukocytosis","volume":"160","author":"Tuohy","year":"1920","journal-title":"Am. 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