Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0026764 (multiple myeloma)
 36,148 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The bone marrow of 84 patients with hematological disorders was investigated using short inversion time inversion recovery sequence (STIR) on an 1.5 Tesla superconducting MRI system. Double echo times of 20 and 100msec were applied to research the signal characteristics of the lesion and carry out quantitative analysis of the receiver operating characteristic curve (ROC). The hematological diseases included 19 cases of myelodysplastic syndrome (MDS), 18 of multiple myeloma (MM), 18 of chronic myelocytic leukemia (CML), 9 of aplastic anemia (AA), 8 of acute myelocytic leukemia (AML), 3 of chronic lymphocytic leukemia (CLL), 3 of myelofibrosis, and 3 others. Using STIR with double echo times, bone marrow showed high signal intensity (SI) on short TE and low SI on long TE in MDS and CML; high SI on short and long TE in myelofibrosis and CLL; high SI on short TE and high to moderately high SI on long TE in MM; and low SI on short and long TE in AA. Quantitative analysis of 33 patients showed high sensitivity and specificity in AA (81% and 94%, respectively) and moderate sensitivity and high specificity in MM (61%, 88%). CML and MDS were similar with low sensitivities (40%, 41%) and high specificities (80%, 78%). Differential diagnosis between CML and MDS was difficult using STIR with the double echo time method.
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PMID:[Object analysis of bone marrow MR imaging using double echo STIR sequence in hematological diseases]. 763 52

Neutropenic enteropathy and multiple myeloma. Neutropenic enteropathy (NE) is an acute entity with an aggressive clinical behavior. The most common reported association of NE is with neutropenic children under chemotherapy for leukemias and lymphomas, other less common causes include: neutropenic adults with treatment for autoimmune diseases, aplastic anemia, cyclic benign neutropenia or solid-neoplasms. There are two cases of NE associated to multiple myeloma (MM). There was a 62 year old man with MM diagnosed ten months earlier and under chemotherapy. He developed abdominal pain, nausea, vomiting, diarrhea and rectal bleeding three days before death. The autopsy study revealed ulcers and thickening of the colonic wall in 40% of the entire surface, and in 5% of the ileum. The microscopic analysis revealed mucosal and submucosal ischemic necrosis, and bacterial invasion without acute inflammatory response. As the two previously reported cases, he received vincristine and steroids a few days before developing neutropenia. This report shows the clinical and morphologic findings of the third case of the association of NE and MM, and the first one illustrated in Mexico.
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PMID:[Neutropenic enteropathy associated with multiple myeloma]. 763 36

The status of hemopoietic stem cell transplantation in Australia from January 1, 1993 to December 31, 1993 is reported. A total of 523 hematopoietic stem cell transplants were carried out throughout Australia during this 12 month period: 296 autologous transplants, 223 allogeneic transplants, and 4 syngeneic transplants. These were carried out by transplant programs in 20 hospitals, and the total number of transplants represented a 9.4% increase on the total number performed in 1992 (n = 478). Of the 296 autologous transplants, 133 utilized blood stem cells only, 125 marrow stem cells only, and 38 both. The most common indications for autologous transplant were non-Hodgkin's lymphoma (n = 92), acute myeloid leukemia (n = 53), breast cancer (n = 37), Hodgkin's disease (n = 33), and myeloma (n = 25). The most common indication for allogeneic transplantation was chronic myeloid leukemia (n = 59), acute myeloid leukemia (n = 56), acute lymphoblastic leukemia (n = 43), and severe aplastic anaemia (n = 14). The number of allogenic transplants performed for individual diseases was comparable between 1992 and 1993, but increases in the number of autologous transplants for non-Hodgkin's lymphoma (26%), Hodgkin's disease (45%), breast cancer (48%), and myeloma (20%) were seen.
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PMID:Hematopoietic stem cell transplantation in Australia in 1993. 775

Seventy-three BMT procedures (42 allogeneic-BMT, 30 autologous-BMT, 1 syngeneic transplant) were undertaken at the Shariati Hospital in Tehran between March 1991 and November 1993. Allogeneic-BMT was performed for thalassaemia major (n = 23), AML in complete remission (n = 3), severe aplastic anaemia (n = 7), CML (n = 7), dyskeratosis congenita (n = 2) and Fanconi anaemia (n = 1). Conditioning regimens comprised busulphan (BU) plus cyclophosphamide (CY) or CY only. Thirty-two (78%) of the 43 patients remain alive 1-34 months after BMT. Twelve patients died: the causes of death were haemorrhagic cystitis (n = 1), CMV pneumonitis (n = 1), GVHD (n = 3), infection (n = 3), rejection (n = 1), VOD (n = 2) and hepatitis (n = 1). Autologous-BMT was performed for patients with AML in CR (n = 16), ALL in CR (n = 9), lymphoma in relapse (n = 3), Ewing sarcoma (n = 1) and multiple myeloma (n = 1). The median age was 18 years. Conditioning regimens were Ara C plus CY, etoposide plus CY and high-dose melphalan. Sixteen (54%) of the 30 patients survive, 14 in continuous complete remission. The causes of death were relapse (AML (n = 7), ALL (n = 4), lymphoma (n = 1)), VOD (n = 1) and infection (n = 1).
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PMID:Bone marrow transplantation in Iran. 792 Mar 8

Campath-1G is an immunosuppressive monoclonal antibody directed against human lymphocytes. Its effectiveness in preventing graft-versus-host disease (GVHD) by simple opsonisation of bone marrow T-cells has been studied in 36 consecutive allografts: in 17 for leukaemia, one for essential thrombocytosis and four for myeloma this was the sole means of GVHD prophylaxis. A further eight patients with aplastic anaemia received 3 months post-transplantation cyclosporin A (CsA) for this purpose whereas in the ninth and tenth the preparative regimen has been modified with this immunosuppressive agent now discontinued. Nucleated cells were harvested and after quantitative recovery of the mononuclear population on the Cobe 2997 separator they were exposed to 20 mg Campath-1G for 30 min at room temperature and then infused. Following standard conditioning, which included total lymphoid irradiation, the median days to reach 0.5 and 1.0 x 10(9)/l neutrophils were respectively 18 (range 9-34) and 28 (range 10-59); to 25 and 100 x 10(9)/l platelets the corresponding times were 17 days (range 5-32 days) and 27 days (range 13-127 days). In all, the day 14 trephine biopsy showed engraftment. At median follow-up of 20 months (range 5-44 months) only one patient has developed possible grade I cutaneous GVHD that responded promptly to corticosteroids: no chronic GVHD or CMV pneumonitis has been encountered. Of those with haematological malignancy transplanted in remission only two with acute leukaemia have relapsed. In aplastic anaemia graft loss initially occurred but this has been overcome by adding Campath-1G in vivo and omitting CsA.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:T cell depletion by exposure to Campath-1G in vitro prevents graft-versus-host disease. 1045 57

In the year 1992, 203 teams in 26 countries in Europe performed a total of 6065 bone marrow transplantations (BMT). Transplant source in 2666 cases (44%) was an allogeneic donor, in 2171 cases an HLA-identical sibling donor, in 170 a non-identical family donor, in 29 a twin donor and in 296 cases an unrelated volunteer donor. There were 3399 autologous transplants (56%): 2494 autologous BMT, 644 autologous peripheral blood stem cell transplants and 261 combined autologous BM and peripheral blood stem cell transplants. Indications for transplant were leukemias in 2963 patients (49%; 1987 allogeneic, 976 autologous), lymphoproliferative disorders in 1890 patients (31%; 201 allogeneic, 1689 autologous), solid tumors in 739 patients (12%; 10 allogeneic, 739 autologous), aplastic anemia in 194 patients (3%; 193 allogeneic, 1 autologous), thalassemia in 128 patients (2%; allogeneic), inborn errors in 115 patients (2%; allogeneic) and miscellaneous disorders in 36 patients (32 allogeneic, 4 autologous). Compared with an EBMT survey 2 years ago, there was an increase in the number of participating institutions and in the number of transplants performed from all sources. If the 142 teams reporting in 1990 and 1992 are compared alone, there is an increase in unrelated allogeneic BMT and in autologous BMT. There was an increase in autologous transplants for myeloma and lymphoma. These data confirm a continuing trend to apply BMT as a therapeutic modality.
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PMID:Bone marrow transplantation activity in Europe 1992: report from the European Group for Bone Marrow Transplantation (EBMT). 801 52

Although glucocorticosteroids are widely used, many indications for their use are controversial, and we have an incomplete understanding of their mechanismus of action. Glucocorticosteroids are commonly employed as primary cytotoxic drugs in the treatment of hematopoietic disease with alone and combination chemotherapy such as leukemias, lymphomas, myeloma, acquired hemolytic anemia, aplastic anemia, granulocytopenia, idiopatic thrombocytopenic purpura, nonthrombopenic purpura, thrombotic thrombocytopenic purpura.
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PMID:[In the treatment of hematopoietic disease with glucocorticosteroids]. 816 72

We analyzed active oxygen (hydroperoxide; H2O2) production by peripheral neutrophils in various hematological diseases by flow cytometry. One hundred microliters of heparinized fresh blood was sequentially incubated at 37 degrees C with 2',7'-dichlorofluorescein diacetate and with or without phorbol myristate acetate (PMA). After hemolysis, the pelleted white blood cells were subjected to flow cytometry, and the neutrophil fraction was gated on the cytogram. Production of H2O2 by the fraction was estimated by determining the increase in the relative intensity of fluorescence emitted from the fraction in response to stimulation by PMA. In controlled chronic myelogenous leukemia (CML) (WBC < 1 x 10(10)/1), H2O2 production was normal, while in uncontrolled CML (WBC > or = 1 x 10(10)/1), it was reduced. In myelodysplastic syndrome (MDS), H2O2 production was also reduced, but no significant difference was observed among FAB classification disease types in MDS patients. In untreated acute non-lymphocytic leukemia (ANLL), H2O2 production was reduced, while in the complete remission stage of ANLL, its level was normal, suggesting recovery from normal clones. In aplastic anemia, the H2O2 production level was normal. Steroid therapy might be responsible for the reduction of H2O2 production in non-Hodgkin's lymphoma and multiple myeloma. The production of H2O2 is closely related to the oxygen-dependent bactericidal activity of neutrophils, and, hence, can be utilized as an index to indicate susceptibility to infection. This neutrophil function can be determined easily in ordinary clinical facilities by using flow cytometry, and care should be taken to prevent infection when H2O2 production is reduced.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Flow cytometric determination of active oxygen (hydroperoxide) produced by peripheral blood neutrophils in patients with hematological disorders. 836 85

MR is a highly sensitive alternative to plain films, CT, and radionuclide studies for the imaging of normal and abnormal marrow and can characterize differences between fatty, fibrotic, cellular, hypercellular, and hemosiderotic marrow. MR is helpful in depicting the extent of disease and has been a useful method to follow the clinical course of many disorders. It has been found to be particularly useful in explaining the unrepresentative biopsy, as the distribution of many diseases is frequently heterogeneous as exemplified by the mixed fatty and cellular patterns of aplastic anemia, myeloma, lymphoma, and skeletal metastases. Patterns of cellular and fatty marrow in the epiphysis and apophysis after marrow reconversion were not completely understood prior to the introduction of MR scanning. Because it has the advantage of imaging the entire bone marrow compartment (unlike the situation with biopsy on aspiration), MR allows a better understanding of the distribution of skeletal disease.
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PMID:Magnetic resonance imaging of diffuse bone marrow disease. 844 56

Erythropoietin can be successfully used in the treatment of anaemia induced by chemotherapy and radiotherapy as well as for the treatment of anaemia induced by malignant disease without previous chemotherapy of radiotherapy. Erythropoietin administered during chemotherapy is effective in 50-70% patients, it has a more marked effect as a supplement to chemotherapy with cisplatinum and carboplatinum than non-platinum regimens. Erythropoietin reduces the consumption of red cell concentrates during chemotherapy on average by one half. Long-term administration of erythropoietin in anaemia caused by malignant disease alone proves most effective in multiple myeloma and in chronic lymphatic leukaemia or in non-Hodgkin lymphomas with a low malignity. The therapeutic responses defined as independence on transfusions and a rise of the haemoglobin level by at least 20 g/l, as compared with the pretreatment value, can be achieved in 60 to 80% of the patients. Erythropoietin is much less effective (10-20% therapeutic responses) in myelodysplastic syndrome, in myeloproliferative diseases or in aplastic anaemia. The authors give an account on the effectiveness of erythropoietin in different indications.
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PMID:[Erythropoietin in oncology. II. Evaluation of the effectiveness of erythropoietin in hematologic and oncologic diseases]. 876 96


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