Long-term bone marrow failure accompanied by skin pigmentation.

A rare case of long-term bone marrow failure with skin pigmentation is presented. The patient was a female with a long history of anemia and skin pigmentation since childhood, although she had no malformations nor chromosomal abnormalities. Hematological improvement has been maintained by the administration of prednisolone. This case may differ from other disorders known as congenital aplastic anemia.