Miscellaneous

• Castleman's

  Castleman disease (CD) is a rare and complex lymphoproliferative disorder that can present as either unicentric, involving a single lymph node region, or multicentric, affecting multiple lymph node areas and leading to s...

• Chronic Graft-versus-Host Disease (cGVHD)

  Chronic Graft-versus-Host Disease (cGVHD) is a complex, immune-mediated complication that arises in patients following allogeneic stem cell transplantation. It occurs when donor-derived immune cells recognize the recipie...

• Hemophagocytic Lymphohistiocytosis (HLH)

  Hemophagocytic Lymphohistiocytosis (HLH) is a rare, life-threatening immune disorder characterized by excessive activation and proliferation of histiocytes and lymphocytes, leading to uncontrolled inflammation and tissue...

• Mastocytosis

  Mastocytosis is a rare disorder characterized by the abnormal proliferation and accumulation of mast cells, a type of immune cell that releases histamine and other chemicals involved in allergic reactions.

• Rosai-Dorfman

  Rosai-Dorfman disease (RDD) is characterized by an overproduction of white blood cells, also known as histiocytes, primarily in the lymph nodes, commonly affecting those in the neck (cervical nodes). Other lymph nodes an...

• Systemic Mastocytosis

  Mastocytosis encompasses a spectrum of conditions characterized by the abnormal proliferation and accumulation of mast cells in various tissues. In systemic mastocytosis, neoplastic mast cells form localized or widesprea...