A γ/δ T-cell receptor prolymphocytic leukemia and CD4-/CD8- double-negative immunophenotype in a pediatric patient.

T-cell prolymphocytic leukemia is a very rare neoplasm, peaking in the seventh decade. An extensive search failed to find any report of this malignancy in the pediatric population. The malignant cell is morphologically characterized by a high nucleocytopasmic ratio, condensed chromatin, a single nucleolus, and nongranular basophilic cytoplasm.

Treatment of delirium following cardiac surgery.

Postoperative delirium is a common medical complication following cardiac surgery. This paper will outline the treatment options for delirium with a focus on prophylactic use of risperidone before cardiac surgery.