Myeloid sarcoma developing in prexisting hydroxyurea-induced leg ulcer in a polycythemia vera patient.

Myeloid sarcoma (MS) is an extramedullary tumour consisting of myeloblasts or immature myeloid cells located in an extramedullary site. It may occur at presentation of AML, at relapse, or prior to the onset of frank leukemia. We report a rare case of MS developing in prexisting Hydroxyurea-induced leg Ulcer in a 70-year-old woman.

[Spontaneous remission of aplastic anemia occurring during pregnancy]. / Rémission spontanée d'une aplasie médullaire survenant au cours d'une grossesse.

Aplastic anemia is a rare disease caused by destruction of pluripotent stem cells in bone marrow. The occurrence of aplastic anemia during pregnancy is rare and can be fatal for both mother and child. The association is not well explained and there is no consensus on optimal management. We report the case of 30 years-old women treated for aplastic anemia during pregnancy, the evolution is favorable.

[Biermer's disease and autoimmune hemolytic anemia]. / Maladie de Biermer et anémie hémolytique auto-immune.

Biermer's disease is an autoimmune atrophic gastritis of the fundus predominantly responsible for a malabsorption of vitamin B12. Despite its association with several autoimmune disorders, few observations have reported an association with autoimmune hemolytic anemia (AIHA). We report a case of Biermer's disease associated with AIHA in a patient of 66 years old.