Purpose of Review: This paper is aimed at describing the main malignant hematolymphoid disorders and their most frequent imaging appearance. Recent Findings: Hematological malignancies are a heterogeneous group of neoplasms, including leukemia, lymphoma, and multiple myeloma that may involve the bone marrow as a primary or metastatic disease. Imaging has a pivotal role in the assessment of bone involvement, staging, and evaluation of treatment response and detection of complications. Summary: Radiologist should be aware of most frequent findings of hematological malignant diseases, in order to perform an earlier diagnosis as well as assess an adequate clinical-therapeutic pathway.