Childhood Hematopoietic Disorders

General Overview and Incidence

Pediatric hematology/hematopathology spans the spectrum of benign, malignant, and neoplastic mimickers. Neoplastic lymphoid, myeloid, and histocytic neoplasms follow criteria in the updated World Health Organization (WHO) 2017 classification similar to adults. Examples of common entities or those related to the updated WHO 2017 classification are presented for illustrative purposes. Many of these entities are covered in more depth in Chapter 8, Chapter 9 , 11, 12, and 16.