Small cell variant of Anaplastic large cell lymphoma

ALK- negative Anaplastic Large Cell Lymphoma of Bone

Anaplastic Large Cell Lymphoma Associated With Breast Implants

A forty two years old woman with a history of bilateral breast augmentation for cosmetic reasons was presented for poor healing of the surgical site. Tissue and periprosthetic fluid were removed from the wound site revealing an atypical lymphoid infiltrate. Subsequently the patient developed axillary lymph adenopathy. Excisional biopsy was performed. Flow cytometry was non-diagnostic. She conti...

HISTIOCYTE-RICH B-CELL LYMPHOMA: A CASE REPORT OF A RARE VARIANT OF DIFFUSE LARGE B-CELL LYMPHOMA

The authors describe a case of histiocyte-rich B-cell lymphoma (HR-BCL), a variant of diffuse large B-cell lymphoma, in a 51-year-old man. The patient presented with large axillary lymphadenopathy. Histopathologic and immunohistochemical examination of lymph node biopsy revealed diffuse effacement of the lymph node architecture by reactive histiocytes and neoplastic CD20 positive B cells. ...

Small-cell variant of ALK+ anaplastic large-cell lymphoma with a leukemic phase.

T his peripheral blood (PB) smear from a 24-year-old man with retroperitoneal lymphadenopathy and a white blood cell count of 77 3 10 cells/L (66% lymphocytes) showed variably-sized atypical lymphocytes with irregular nuclear contours and basophilic vacuolated cytoplasm including numerous flower cells and apoptotic cells (panel A). Hallmark cells with reniform nuclei, small to large in size, we...

Small cell variant of anaplastic large cell lymphoma with positive immunoreactivity for CD99.

A 13 year old boy presented with a huge mass on his right arm of 6 months duration. Histopathological examination revealed sheets of malignant small round blue cells with immunopositivity for LCA, CD43, CD45Ro, CD30, EMA, ALK-1 and CD99, and negativity for CD20, TdT, myogenin, myoD1, NSE, bcl-6, bcl-2 and CD10. Fluorescent In-Situ Hybridization (FISH) testing excluded the diagnosis of Ewing's s...