<unk>  has been classified into two categories: # Engulfment of hemapoietic cells by megakaryocytes such as in hematolymphoid disorders (Hodgkin's disease, leukemia, acute and chronic myeloid leukemia, non-Hodgkin's lymphoma, myeloproliferative disorders, myelodysplastic syndrome) # Engulfment of inflammatory cells by histiocytes, which is a hallmark of Rosai-Dorfman disease
Emperipolesis
Peripolesis
Axonotmesis
Neurotmesis
Inspissation
Perihepatic packing
Nipple discharge
Jejunostomy