[Pericecal abscess and infiltration as a complication in the early phase of acute non-differentiated cell leukemia].

Acute abdomen syndrome was the presenting sign of leukaemia in the reported case. The authors discuss indications to surgical treatment in patients with leukaemia.

Megakaryocytic leukaemia. A case of unusual outcome.

In a 33-year-old woman with thrombocytosis, megakaryocytic hyperplasia in bone marrow, presence of megakaryocytes in peripheral blood and megakaryocyte-containing infiltrations in the liver, excellent result of Busulphan treatment (1 year full remission after Busulphan withdrawal) is reported. The authors suggest the diagnosis of megakaryocytic leukaemia.