Cases reported "Lymphoma, Non-Hodgkin"

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11/1878. Tonsillar lymphoma and AIDS.

    A case of a patient presenting unilateral tonsillar enlargement, whereby non-Hodgkin lymphoma (NHL) and AIDS were diagnosed, is presented. The clinical and pathological aspects of this pathology, its pathogenicity and treatment are reviewed.
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12/1878. Cryopathic gangrene with an IgM lambda cryoprecipitating cold agglutinin.

    Immunochemical and serologic studies of cold agglutinis in patients with chronic cold agglutinin disease (CCAD) have shown the almost exclusive occurrence of IgM kappa antibodies with specificity for the I antigen of red cells. An unusual subgroup of patients has been delineated in which the cryoprotein is IgM lambda, frequently lacks I specificity and often cryoprecipitates. Studies of such a protein from a patient with an unusual array of immunoproliferative disorders including Grave's disease with exophthalmos and Waldenstrom's macroglobulinemia indicate that the cryoprecipitating and cold agglutinating properties probably derive from the sam protein. The occurrence of this type of antibody should suggest the presence of a more aggressive lymphoproliferative disorder than simple CCAD.
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13/1878. An expert system for the interpretation of flow cytometric immunophenotyping data.

    The development of high-grade non-Hodgkin's lymphomas in hiv-positive patients and patients with acquired immune deficiency syndrome (AIDS) is a well known phenomenon. The proper classification of these neoplasms often requires a multiparameter approach, including the interpretation of a large panel of immunologic markers analyzed by flow cytometry. The availability of individuals with the required expertise to properly interpret these marker studies is limited. For this reason, we have designed an expert system to automate the analysis of immunophenotyping panels in both hiv-related and non-hiv-related hematopoietic neoplasms. The expert system, which we call "Professor Fidelio", runs on IBM-compatible computers under Windows 3.0. The system is designed to accept any number of markers studied from a repertoire of 35 markers. Professor Fidelio functions on the basis of heuristic classification of defined diagnostic patterns. Nine specific patterns (Stem Cell, Myeloid and/or Monocytic, Erythroid, Megakaryocytic, Immature B-cell, Immature T-cell, Mature B-cell, Mature T-cell, and plasma cell) and one "non-specific" pattern have been agreed upon. Fidelio's knowledge base contains the definitions of each of these patterns and the heuristics for excluding patterns when an incomplete panel of markers is performed. The inference engine interprets the findings (including the age of the patient) and reports the patterns which are matched, the differential diagnosis, the suggested diagnosis from the list of differentials if the marker studies are specific, and recommendations for additional tests which may be valuable in establishing the diagnosis.(ABSTRACT TRUNCATED AT 250 WORDS)
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14/1878. Lymphoid lesions of the conjunctiva: relation of histopathology to clinical outcome.

    A retrospective clinicopathologic study of 40 patients with lymphoid lesions of the conjunctiva demonstrated the validity of current histologic criteria in predicting clinical outcome. overall histologic architecture as well as cytologic detail must be used to differentiate benign reactive lymphoid hyperplasia from lymphoma. Lesions verified clinically as being malignant had obvious malignant cytologic features. Clinical signs of surface follicularity, multifocality, and minimal elevation suggest benignancy. All the benign lesions, on histopathologic examination, were either follicular in architecture or composed of mature lymphocytes, and were generally restricted to the substantia propria. Bilaterality and clinical recurrence do not necessarily imply a malignant disease.
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15/1878. Synovial presentation of non-Hodgkin's lymphoma.

    The MRI appearances of synovial involvement from non-Hodgkin's lymphoma are described in a 61-year-old man. These appearances have not previously been described and the differential diagnosis is discussed.
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16/1878. Co-incidental presentation of IgA lambda multiple myeloma and pleural involvement with IgM kappa non-Hodgkin's lymphoma.

    Pleural effusions occur in approximately 6% of patients with myeloma. The aetiology is multifactorial and effusions due to pleural myelomatous involvement are rare, occurring in < 1% of cases. We report the case of a 68-year-old lady who presented with IgA myeloma and a concurrent pleural effusion due to a second IgM kappa producing B cell neoplasm. The former responded but the latter was resistant to standard myeloma therapy.
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17/1878. Acute promyelocytic leukemia after treatment for non-Hodgkin's lymphoma with drugs targeting topoisomerase II.

    We report a patient who developed acute promyelocytic leukemia (APL) concomitantly with a second relapse of non-Hodgkin's lymphoma (NHL), intermediate grade, WF type E. At diagnosis and at first NHL relapse, the patient had received the same chemotherapy regimen, which included drugs targeting dna topoisomerase II, i.e., etoposide (total dose 5,760 mg) and idarubicin (total dose 180 mg). Thirty-eight months after initial treatment, the patient showed pancytopenia associated with lymphoma recurrence. bone marrow examination revealed the presence of atypical promyelocytes with Auer rods; cytogenetics showed t(15;17), and molecular analysis detected promyelocytic leukemia-retinoic acid receptor alpha rearrangement. APL reached complete remission after all trans retinoic acid therapy, whereas NHL did not respond to further chemotherapy. In the literature, five other patients developed APL after treatment for lymphoma, from a total of 59 patients developing sAPL after treatment for any type of neoplasia.
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18/1878. Acute herpetic neuralgia and postherpetic neuralgia in the head and neck: response to gabapentin in five cases.

    BACKGROUND AND OBJECTIVES: The clinical presentations and pharmacologic management of three patients with acute herpetic neuralgia (AHN) and two patients with postherpetic neuralgia (PHN), confined to the head and neck region, are described. methods: Two patients had pain in the ophthalmic division of the trigeminal nerve, two had pain confined to the C2-C4 dermatomes, and one patient had C2 pain with radiating and referred pain to the second and third divisions of the trigeminal nerve. RESULTS: Gabapentin, an anticonvulsant drug, was effective in treating these patients, including the two cases of AHN. All patients reported complete pain relief after titration with gabapentin up to 1,800 mg/d. The patients noted a dose-dependent decrease in pain almost immediately after starting gabapentin. Specifically, reduction in the frequency and intensity of allodynia, burning pain, shooting pain, and throbbing pain were noted. None of the patients experienced side effects from the drug. CONCLUSIONS: In view of the results in these patients, blinded, controlled studies are needed to determine the efficacy of gabapentin for treating AHN and PHN.
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19/1878. autoimmunity and extranodal lymphocytic infiltrates in lymphoproliferative disorders.

    OBJECTIVE: To examine the relationship between autoimmunity and extranodal lymphocytic infiltrates in different lymphoproliferative disorders with immunoglobulin alterations. SUBJECTS AND DESIGN: A clinical review combined with a retrospective cohort study of 380 patients, 28 with monoclonal gammopathy of undetermined significance, three with common variable immunodeficiency, 147 with chronic lymphocytic leukaemia, 57 with Waldenstrom's macroglobulinaemia and 145 with non-Hodgkin's malignant lymphoma. SETTING: A university hospital and The State serum Institute in Copenhagen. INTERVENTION: Clinical examination of each patient with special attention to chronic inflammatory and autoimmune manifestations. Biopsies were taken from non-infectious infiltrates, some of which were additionally tested with PCR analysis for gene rearrangements. Serological screening with a test battery for various autoantibodies was used in combination with techniques for the detection of M-components and monoclonal B-cell proliferation. MAIN OUTCOME MEASURES: Clinical and/or serological autoimmune manifestations, M-component and other immunoglobulin alterations, and inflammatory tissue changes were studied in patients with chronic inflammatory, polyclonal or oligoclonal pseudolymphomas and in monoclonal, malignant extranodal lymphomas. RESULTS: In 380 consecutive patients, 49 (12.9%) had extranodal manifestations, of whom 47 also had autoimmune manifestations. Nearly half of the 47 patients had more than one autoimmune manifestation. There was a strong correlation between clinical signs and corresponding autoantibodies such as anti-SSA and -SSB antibodies in sjogren's syndrome (10 cases), antithyroid peroxidase antibodies in thyroiditis and Graves' disease (10 cases), and parietal cell antibodies in gastric ulcers with maltoma (12 cases). Clinical and serological signs of autoimmunity correlated strongly with female sex (34, 72% women; and 13, 28% men) and with immunoglobulin alterations. CONCLUSIONS: To our knowledge this is the first systematic review of B-lymphoproliferative and autoimmune disorders indicating that pseudolymphoma and malignant lymphomas, including maltomas, may develop in the context of a permanent autoantigenic drive.
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20/1878. Cutaneous necrosis as a terminal paraneoplastic thromboembolic event in a patient with non-Hodgkin's lymphoma.

    Thrombotic complications in non-Hodgkin's lymphoma often originate in the large veins. We describe a patient with refractory advanced high-grade lymphoma who presented with the rare complication of extensive cutaneous necrosis due to thrombosis of dermal vessels; there was also a recent new peak of monoclonal IgM-kappa protein. Direct immunofluorescence demonstrated immune deposits with complement in the dermal vessel wall. Based on these observations and on published data, we suggest that these complexes were the trigger for the thrombotic events and that the monoclonal IgM acted as xenoreactive antibodies, initiating a cascade of events. The first step of this cascade was activation of the complement and the membrane attack complex, which caused secretion of IL-1 alpha by endothelial cells, followed by overexpression of tissue factor on the surface of the dermal vessel wall endothelium. Dermal vessel thrombosis was the final event in this cascade.
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ranking = 19
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