<unk>  is a condition in which immature red blood cells<unk>  cells) in the bone marrow are abnormal in size and/or number.<unk>  may be caused by vitamin deficiency or chemotherapy, or it may be a sign of refractory anemia, which is a myelodysplastic syndrome. Also called<unk><unk> .
Erythroid dysplasia
Phakomatosis
Electrotrichogenesis
Cutaneous columnar cyst
Eccrine nevus
Lipoblastomatosis
Keratin implantation cyst
Congenital melanocytic nevus