[Testicular localization as the first manifestation of acute myeloblastic leukemia. Description of a case].

Extramedullary masses as features of acute monoblastic leukemia are rare. Acute monoblastic leukemia is an uncommon type of nonlymphocytic leukemia that generally first manifest with signs and of bone marrow failure, articular and/or neurological symptoms. This study describes one patient with acute monoblastic leukemia in whom the initial manifestation of the disorder was related to testicular mass.