Cases reported "Lymphoma, B-Cell"

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1/239. Mediastinal B-cell high grade non-Hodgkin's lymphoma with sclerosis: report of three cases.

    Mediastinal large B-cell lymphomas are uncommon haematologic malignancies seen mostly in women. We report our recent experience with three patients, only one of whom survived after an autologous bone marrow transplantation.
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2/239. Non-Hodgkin's lymphoma of the maxillary sinus in a patient with acquired immunodeficiency syndrome.

    Non-Hodgkin's lymphoma (NHL) is one of the most common malignancies in patients infected with human immunodeficiency virus (hiv): it occurs 25-60 times more frequently in hiv-infected patients than in the general population. This neoplasm in acquired immunodeficiency syndrome (AIDS) patients is a highly aggressive tumour with a poor prognosis and tends to develop in extranodal sites, such as the central nervous system, digestive tract and bone marrow. NHL involving the paranasal sinuses is rare in hiv-infected patients, and is likely to be confused clinically and radiographically with sinusitis; moreover, its optimal treatment is currently uncertain. We present a case of NHL involving the left maxillary sinus in a patient with AIDS. The patient was treated with systemic chemotherapy (low dose-CHOP), but the malignancy did not respond. Subsequently, he was treated with local maxillary sinus irradiation which resulted in partial regression of the neoplasm and in decrease of local symptoms.
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3/239. adrenal insufficiency caused by primary aggressive non-Hodgkin's lymphoma of bilateral adrenal glands: report of a case and literature review.

    A 64-year-old woman was hospitalized because of poor general condition, gastrointestinal upset, unexplained fever, electrolyte imbalances, and an incidental finding of bilateral huge adrenal masses on computerized tomography (CT) of the abdomen. Non-Hodgkin's lymphoma (NHL) of B-cell origin was proven by ultrasound-guided aspiration biopsy of the left adrenal gland. Meanwhile, primary adrenal insufficiency was confirmed by her low serum cortisol level, high ACTH level, and inadequate adrenal response to the rapid ACTH stimulation test. The diagnosis of primary adrenal NHL was supported by detailed physical examinations, bone marrow examination, and such imaging studies as CT scan and sonography. She received three courses of chemotherapy with cyclophosphamide, vincristine, and prednisolone and there was an initial transient response, but she died of sepsis and progression of NHL three and a half months later.
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4/239. Primary non-Hodgkin lymphoma of bone: unusual manifestation of lymphoproliferative disease following liver transplantation.

    We present the case of a 66-year-old man with primary non-Hodgkin lymphoma of the right femur that developed following orthotopic liver transplant, while on immunosuppressive therapy. The diagnosis was suggested on the basis of the MRI findings and confirmed by open biopsy. He was treated successfully with local radiotherapy and has remained disease free for 14 months after the onset of the disease.
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5/239. Primary cutaneous marginal center lymphoma - complete remission induced by interferon alpha2a.

    Marginal zone lymphoma (MZL) is a distinct entity among B-cell lymphomas. We report on a 53-year-old woman who developed disseminated primary cutaneous MZL with secondary lymph node involvement and perinodular spreading. The tumor cell phenotype was characterized as CD20/CD79a/kappa/lambda / bcl-2-positive, CD3/5/15/39/bcl-1-negative. Ki-67 was expressed by 20-35% of tumor cells. There was no evidence of systemic (including bone marrow) involvement. The diagnosis of MZL with plasmacellular differentiation (Stage IVa) was made. The patient was treated with interferon alpha2a injected s.c. at 9x10(6) U 3 days a week for 1 year. During this time the skin lesions completely disappeared. No evidence of lymph node or extracutaneous disease was found. The patient remains in complete remission. Side effects were only of grade I (WHO); the Karnovsky index was 90%. As shown for other types of primary cutaneous B-cell lymphoma, prolonged interferon alpha monotherapy may be effective in controlling the disease and/or inducing complete remission in MZL.
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6/239. Angiocentric lymphoma involving the temporal bone in a child.

    Involvement of the temporal bone in patients with malignant lymphomas is very rare. Most of the reported cases have been clinically asymptomatic and were diagnosed only by post-mortem examinations. We present a nasal, paranasal, nasopharyngeal lymphoma that occurred in a 12-year-old child and also involved the temporal bone. Clinical presentation began with bilateral chronic otitis media. Histopathologically, tumor was found to be an angiocentric lymphoma of B-cell origin. association with Epstein-Barr virus could not be demonstrated. Despite combination chemotherapy (with cyclophosphamide, vincristine, doksorubicine, prednisolone, L-asparaginase, cytosine arabinoside, metotraxate) and radiotherapy (to 40 Gy), disease progressed locally as well as to cervical lymph nodes and the lungs.
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7/239. Toxic epidermal necrolysis and graft vs. host disease: a clinical spectrum but a diagnostic dilemma.

    We describe a 53-year-old man who developed partial and full thickness skin loss associated with pyrexia, diarrhoea, liver, renal and bone marrow failure, during treatment for an aggressive B cell lymphoblastic lymphoma. The clinical features and histology were compatible with both toxic epidermal necrolysis and graft vs. host disease, causing a diagnostic and therapeutic dilemma. We discuss the possibility that methotrexate was the causative drug, with review of its cutaneous side-effects. Histologically our patient demonstrated the sparse dermal infiltrate with full thickness epidermal necrosis typical of toxic epidermal necrolysis and graft vs. host disease. We discuss this finding with respect to the pathogenesis of toxic epidermal necrolysis.
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8/239. Intravascular lymphomatosis with bone marrow involvement.

    We describe the case of a 56-year-old man who presented with numbness and tingling of the extremities, weakness, and fatigue. Laboratory findings included anemia and thrombocytopenia. A diagnosis of intravascular lymphomatosis was established when liver, omentum, and bone marrow samples were examined. A review of the literature reveals that most cases of intravascular lymphomatosis have cytopenias, mainly anemia and thrombocytopenia, but bone marrow involvement is rare. In our case, a subtle neoplastic infiltrate in the marrow sinusoids was highlighted with a B-cell marker. While immunohistochemical analysis was not performed in most reported cases in the literature, our studies suggest that a systematic search in bone marrow of cases of intravascular lymphomatosis may reveal unsuspected neoplastic cells. We conclude that bone marrow involvement in intravascular lymphomatosis appears to be rare, has subtle features, and is difficult to diagnose if unsuspected and not searched for.
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9/239. Multilobated large B-cell lymphoma diagnosed cytologically. A case report.

    BACKGROUND: Fine needle aspiration (FNA) biopsy can be used to reliably classify most conditions involving lymph nodes or, at least, significantly reduce the differential diagnosis. CASE: A 70-year-old male presented with an ulcerated mass arising from the left tonsillar fossa and involving the anterior and posterior pillars. A biopsy of the tonsillar mass performed at an outside hospital was interpreted as a large cell undifferentiated carcinoma. Subsequently the patient developed systemic lymphadenopathy. A bone scan showed intense uptake within the medial tibial plateau of the left knee. FNA biopsy of the right axillary mass was interpreted at University of Cincinnati Medical College as a large cell lymphoma, multilobated type. Histologic and immunohistochemical studies of the lymph node confirmed the presence of multilobated B-cell lymphoma. lymphoma chemotherapy was initially successful but was discontinued due to toxicity. The patient died two months after the initial cytologic diagnosis of lymphoma. CONCLUSION: Multilobated lymphomas are an unusual variant of non-Hodgkin's lymphomas (mostly B-cell type). Cytology and immunocytochemistry are useful diagnostic procedures that can help to diagnose this relatively uncommon type of lymphoma and significantly reduce the possibility of misdiagnosis.
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10/239. A case of anaplastic large cell (Ki-1) lymphoma of B-cell phenotype, occurring in Waldenstrom's macroglobulinemia.

    A case of anaplastic large cell (Ki-1) lymphoma of B-cell lineage occurred in a 59-year-old male with Waldenstrom's macroglobulinemia. Immunostaining of the lymphoma cells showed sporadic positivity for IgM and occasional positivity for kappa chain. This immunoglobulin specificity is the same as that of plasmacytoid lymphocytes in the bone marrow; therefore anaplastic transformation of Waldenstrom's macroglobulinemia was strongly suggested. This seems to be the first reported case of anaplastic large cell lymphoma, confirmed by CD30 expression, arising in Waldenstrom's macroglobulinemia.
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