Pagetoid reticulosis (PR) is a low-grade primary cutaneous T-cell lymphoma that usually presents as a solitary, slowly enlarging erythematous or hyperkeratotic plaque on the distal areas of the extremities. Histopathologically, it is characterized by a dense, band-like infiltrate of atypical lymphocytes with prominent epidermotropism within a hyperplastic epidermis, and immunophenotypic studies...

We report an unusual case of angioimmunoblastic T-cell lymphoma (AITL) progressing rapidly from Epstein-Bar virus (EBV)-associated paracortical hyperplasia with T-cell oligoclones, which caused the patient to die within only 1 month. The patient was a 67-year-old Chinese man with 3 month’s history of rhinorrhea, pruritus and superficial lymphadenopathy. In the first biopsy, morphology and immun...

Burkitt-type acute lymphoblastic leukemia (B-ALL) is thought as a variant of Burkitt lymphoma/leukemia and derived from mature B-cell lymphoblast.B-ALL was developed in a 10-year-old girl. Two characteristics were apparent in this case. First, the lymphoblastic cells were positive for CD10, CD19, CD20, and CD22, but negative for terminal deoxynucleotidyl transferase and surface immunoglobulins,...