Osteopenia
Bone atrophy
Myelophthisis
The replacement of myeloid tissue by abnormal tissue: collagen rich fibrous connective tissue or malignant neoplasia
Lymphoproliferative disease
Marrow or extra medullary neoplastic transformation of a lymphoid cell line
Myeloproliferative disease
Neoplastic transformation of one or more non lymphoid marrow cell lines
Multiple myeloma
Malignant tumor of plasma cells
Histiocytic neoplasia
Malignant tumor of histiocytic cells
Siderofibrosis
Siderotic plaques/nodules - gamma gandy bodies
Splenosis
Splenic rupture leads to seeding of the omentum and formation of numerous “accessory spleens”