Bone tumors are a rare and heterogeneous group of neoplasms that occur in the bone. The
diversity and considerable morphologic overlap of bone tumors with other mesenchymal …

The historic term 'histiocytosis' meaning 'tissue cell'is used as a unifying concept for
diseases characterized by pathogenic myeloid cells that share histological features with …

Histiocytic neoplasms are a heterogeneous group of clonal haematopoietic disorders that
are marked by diverse mutations in the mitogen-activated protein kinase (MAPK) pathway …

Context Rosai-Dorfman disease is an uncommon histiocytic disorder most frequently
presenting as bilateral cervical lymphadenopathy in children and young adults. Extranodal …

This manuscript represents a review of lymphoblastic leukemia/lymphoma (acute
lymphoblastic leukemia/lymphoblastic lymphoma), acute leukemias of ambiguous lineage …

Histiocytoses constitute a heterogeneous group of rare disorders, characterised by
infiltration of almost any organ by myeloid cells with diverse macrophage or dendritic cell …

Rosai-Dorfman disease is a rare subtype of non-Langerhans cell histiocytosis. With the last
major report published in 1990, there is a paucity of contemporary data on this disease. Our …

Background Sinonasal neoplasms, whether benign and malignant, pose a significant
challenge to clinicians and represent a model area for multidisciplinary collaboration in …

IgG4-related disease is a fibro-inflammatory condition that can affect nearly any organ
system. Common presentations include major salivary and lacrimal gland enlargement …

Histiocytic neoplasms are rare hematologic disorders accounting for less than 1% of cancers
of the soft tissue and lymph nodes. Clinical presentation and prognosis of these disorders …