Cases reported "Hematologic Neoplasms"

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1/34. Secondary hemochromatosis as a long-term complication of the treatment of hematologic malignancies.

    The increased cure rate of hematologic malignancies including the use of bone marrow transplantation has focused attention on the chronic toxicity and quality of life of the survivors. We have observed five patients who have been diagnosed with clinically significant iron overload, presumably due to packed red blood cell transfusions, >/=12 months after transplant for a hematologic malignancy. In these patients, there is no history of veno-occlusive disease or family history of hemochromatosis. The allotransplant patient has been free of chronic graft versus host disease. family screening has been negative. No patient developed clinically significant endocrinopathy, arthropathy, or cardiac disease. The patients have been treated with phlebotomy to bring the transferrin saturation and ferritin levels to normal. The long-term follow-up of patients treated for a hematologic malignancy should include analysis of hepatitis c virus and iron status. This may prevent the development of clinically significant chronic liver disease and possibly malignancy.
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ranking = 1
keywords = malignancy
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2/34. Biphenotypic hematological malignancy with T-lymphoid and myeloid differentiation: association with t(3;12)(p25;q24.3). Case report and review of the literature.

    Biphenotypic hematological malignancies of T-lymphoid and myeloid differentiation are relatively rare and have most commonly been associated with t(8;13). However, this entity is invariably associated with eosinophilia and generally progresses to acute leukemia within a year of diagnosis. We describe a case of a biphenotypic hematological malignancy with T-lymphoid and myeloid differentiation without associated eosinophilia; however, there was an association with t(3;12)(p25;q24.3) as a sole abnormality and progression to acute leukemia within 10 months of presentation. This association with such a malignancy has not previously been described. Additional cases need to be accrued to determine the prognostic significance and clinical implications of such an association.
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ranking = 2
keywords = malignancy
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3/34. trisomy 15, sex chromosome loss, and hematological malignancy.

    We report 6 patients with myelodysplasia who, on routine cytogenetic studies, demonstrated trisomy 15. Four of these also had sex chromosome loss. A review of the literature revealed 6 other cases of trisomy 15 with sex chromosome loss and 22 cases of trisomy 15 as the sole chromosomal abnormality. All cases had hematologic malignancy or myelodysplasia. trisomy 15 is uncommon but tends to be associated with myelodysplasia in older subjects, and with sex chromosome loss in about one third of cases.
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ranking = 1.6666666666667
keywords = malignancy
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4/34. Autoimmune liver disease in patients with neoplastic diseases.

    BACKGROUND: Development of de novo autoimmune liver disease has not been well documented in patients with malignant diseases. methods/RESULTS: In this paper we report on a series of six patients with neoplastic disorders who acquired liver disease with autoimmune features. Five patients had suffered from haematological neoplasms and one from colonic cancer. In two patients, liver disease was detected at the time of presentation with malignancy. In the remaining four, all of whom were successfully treated for malignancies, features of liver disease presented at intervals 24-72 months after the cancer diagnosis. Twelve liver specimens (11 biopsies and one hepatectomy specimen) were obtained at time intervals of 1-76 months after initial presentation of neoplastic disease. Biopsies from three patients showed features of hepatitis (one acute, one sub-acute, one chronic). Two patients had histological features suggestive of an overlap syndrome (one autoimmune hepatitis/primary biliary cirrhosis, one autoimmune hepatitis/primary sclerosing cholangitis). The sixth patient had features of autoimmune cholangiopathy. All but one responded well to steroid therapy with complete clinical and biochemical remission obtained 4 weeks to 8 months after steroid introduction. We discuss briefly possible aetiologies of autoimmune liver disease in these patients. CONCLUSIONS: Autoimmune liver disease may be precipitated by therapy for neoplastic disease or malignant disease itself. The unusually heterogeneous clinicopathological findings in this group as well as the response to treatment support the concept of a wide spectrum of manifestations of autoimmune liver disease. The results may also suggest that autoimmune liver disease may be possibly added to the list of paraneoplastic syndromes. Further prospective studies are required to confirm a causal association and to determine whether the mechanisms involved are disease- or treatment-related.
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ranking = 0.88055747677355
keywords = neoplasm, malignancy
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5/34. pulmonary alveolar proteinosis: a complication in patients with hematologic malignancy.

    We present the case of a patient with acute myeloid leukemia and secondary pulmonary alveolar proteinosis (PAP), which is an underestimated cause of a persistent pulmonary infiltrate in patients with hematologic malignancies often accompanied by neutropenia due to therapy. Diagnosis is established by performing periodic acid-schiff reaction (PAS) stains and transmission electron microscopy (EM) on bronchoalveolar lavage (BAL) fluid. We wish to stress the importance of the early recognition of PAP, which is potentially reversible, and routinely performing PAS staining on BAL fluid in patients with a hematologic disease especially myeloid disorders and a persistent lung infiltrate.
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ranking = 1.3333333333333
keywords = malignancy
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6/34. heart transplantation for radiation-associated end-stage heart failure.

    radiation-induced heart disease is an increasingly recognized late sequela of mediastinal radiation therapy for malignant neoplasms. We report four cases of heart transplantation for end-stage heart failure induced by mediastinal radiation therapy. Short-term and intermediate-term results are excellent with all four patients currently surviving a mean of 48 months after transplantation. Neither a second malignancy nor recurrence of the primary malignancy has been observed to date. The early results of heart transplantation for end-stage, radiation-induced heart disease are encouraging.
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ranking = 1.2138908101069
keywords = neoplasm, malignancy
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7/34. Fatal hepatic failure caused by chemotherapy-induced reactivation of hepatitis B virus in a patient with hematologic malignancy.

    A patient with hematologic malignancy and hepatitis b virus (HBV) infection received chemotherapy containing a glucocorticoid. The patient developed severe hepatitis after chemotherapy and, despite achieving complete remission of the malignancy, died of hepatic failure. We carried out a retrospective study of changes in the serological markers of HBV in this patient. Both serum hepatitis B surface antigen (HBsAg) and hepatitis B surface antibody (HBsAb) were negative on admission. During the course of chemotherapy, HBsAg gradually became positive, but no liver dysfunction was apparent until after completion of the chemotherapy. The patient showed no initial evidence of being a latent HBV carrier. Therefore, we believe that screening for HBsAg is insufficient for detecting latent HBV carriers, and that investigation for hepatitis B core antibody (HBcAb) is essential.
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ranking = 2
keywords = malignancy
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8/34. ehrlichiosis infection in a 5-year-old boy with neutropenia, anemia, thrombocytopenia, and hepatosplenomegaly.

    ehrlichiosis should be considered in the differential diagnosis of any patient with recent fever, pancytopenia, hepatosplenomegaly, and history of tick exposure. We present a previously healthy 5-year-old boy who was referred to the hematology-Oncology Clinic to consider a bone marrow etiologic process after his pediatrician discovered progressive neutropenia, anemia, thrombocytopenia, and hepatosplenomegaly accompanied by 2 days of fever. Bone marrow aspirate and biopsy were nonrevealing. Because of the history of a recent tick bite, a diagnosis of ehrlichiosis infection was considered and ultimately confirmed by IgG-specific serum testing. The patient's fever was treated symptomatically with acetaminophen, and symptoms resolved on their own without intervention. ehrlichiosis is a tick-borne infection that occurs throughout the spring and summer, often causing findings that mimic a malignancy or serious hematologic disorder. The diagnosis should be considered in any person living in tick-infested areas and can be confirmed by polymerase chain reaction or serum antibody titers. Treatment with doxycycline can lead to rapid clinical improvement if the diagnosis is made early.
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ranking = 0.33333333333333
keywords = malignancy
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9/34. Unusual childhood extramedullary hematologic malignancy with natural killer cell properties that contains tropomyosin 4--anaplastic lymphoma kinase gene fusion.

    This report describes an unusual extramedullary hematologic malignancy in an 18-month-old child who presented with a capillary leak syndrome that evolved into hyperleukocytosis with malignant cells. The circulating tumor cells did not express an antigen profile typical of any subtype of leukemia commonly observed in children. Tumor cells were CD3(-)/CD56( ); had germline TCR genes; and strongly expressed CD30, epithelial membrane antigen, and anaplastic lymphoma kinase (ALK) consistent with a null cell anaplastic large cell lymphoma (ALCL). The malignant cells contained a t(2;19)(p23;p13.1) that interrupted ALK and translocated it to the der(19). Reverse transcriptase-polymerase chain reaction and nucleotide sequence analysis revealed fusion of ALK to tropomyosin 4, an ALK fusion partner not described previously in hematologic malignancies. The clinical presentation and phenotypic features of this malignancy were not typical for ALCL because tumor cells expressed both myeloid (CD13, CD33, HLA-DR) and natural killer (NK) cell antigens. The neoplastic cells most resembled NK cells because in addition to being CD3(-)/CD56( ) with germline TCR genes, these cells were CD25( )/CD122( )/granzyme B( ) and possessed the functional properties of immature NK cells. The unusual clinical presentation, immunophenotype, and functional properties of these neoplastic cells suggest that this malignancy may be derived from the putative myeloid-NK precursor cell. Furthermore co-expression of NK and ALCL features supports the concept that a minority of null-ALCL may be derived from NK cells and expands the spectrum of phenotypes that can be seen in tumors produced by ALK fusion proteins. (blood. 2001;98:1209-1216)
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ranking = 2.3333333333333
keywords = malignancy
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10/34. clostridium septicum and malignancy.

    BACKGROUND: clostridium septicum is known to be associated with malignancy or immunosuppression. It has a variable clinical presentation and is associated with a high mortality. The aim of the present study was to review the experience at St George Hospital, Sydney, over a 10-year period, with particular reference to the association of this condition with colorectal cancer. methods: The records of five patients with blood culture-proven clostridium septicum infection, among a larger group of 31 patients with clostridial infections, presenting to St George Hospital between 1990 and 2000 were reviewed. RESULTS: Associated malignancy was found in four (80%) of the patients with clostridium septicum infection. Two infections were related to colorectal cancer, two to haematological malignancies and one to radiation-induced recto-urethral fistula. Those patients who had colorectal cancer presented with septicaemia and vague abdominal symptoms. CONCLUSIONS: clostridium septicum infections have a strong association with malignancy. When this infection occurs without an obvious underlying aetiology there should be a high index of suspicion about associated malignancy. In the absence of haematological malignancy a colonoscopy is warranted. early diagnosis and aggressive treatment is essential in order to improve prognosis.
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ranking = 116.88631966929
keywords = haematological malignancy, malignancy
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