large B-cell lymphoma

ALK-positive large B-cell lymphoma (ALK-positive LBCL) is a rare type of lymphoma. Because of the overlap of morphological and immunophenotypic features with other haematologic and non-haematologic neoplasms, diagnosing ALK-positive LBCL can be challenging. The lymph nodes showed a marked diffuse infiltrate of monomorphic large immunoblast-like cells with round pale nuclei containing a large central nucleolus and abundant amphophilic cytoplasm. Lymphoma cells were strongly positive for the ALK protein. ...

Diffuse large B-cell lymphoma, not otherwise specified (DLBCL, NOS), is a common aggressive lymphoma in both developing and developed countries. DLBCL, NOS can express a wide range of immunohistochemical markers that may be used for prognostic evaluation. ...

Tuberculosis of the placenta is a rare condition which mainly occurs in the immunosuppressed individuals especially in acquired immune deficiency syndrome (AIDS) and hematologic malignancy9. Tuberculosis can spread to the fetus via hematogenous or cervicovaginal route and result in congenital tuberculosis....