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1.
Case Rep Oncol Med ; 2016: 5091021, 2016.
Article in English | MEDLINE | ID: mdl-27642531

ABSTRACT

Secondary or metastatic cardiac tumors are much more common than primary benign or malignant cardiac tumors. Any tumor can cause myocardial or pericardial metastasis, although isolated or combined tumor invasion of the pericardium is more common. Types of neoplasia with the highest rates of cardiac or pericardial involvement are melanoma, lung cancer, and breast and mediastinal carcinomas. Acute myeloid leukemia (AML) is the most common type of acute leukemia in adults. Initial treatment involves chemotherapy followed by consolidation treatment to reduce the risk of relapse. In high-risk patients, the treatment of choice for consolidation is hematopoietic stem cell transplantation (HSCT). Relapse of AML is the most common cause of HSCT failure. Extramedullary relapse is rare. The organs most frequently affected, called "sanctuaries," are the testes, ovaries, and central nervous system. We present a case with extramedullary relapse in the form of a solid cardiac mass.

3.
BMJ Case Rep ; 20132013 Aug 05.
Article in English | MEDLINE | ID: mdl-23917368

ABSTRACT

We describe a case of progressive multifocal leucoencephalopathy (PML) in a 39-year-old patient diagnosed with chronic lymphocytic leukaemia (CLL) who underwent two allogenic matched-sibling stem cell transplantations. PML was confirmed just after the first transplantation with cerebral MRI and by PCR in the cerebrospinal fluid. After immunosuppression withdrawal and cidofovir treatment, he achieved a reversal of clinical symptoms, John Cunningham (JC) virus positivity and MRI lesions regression. He remained asymptomatic for 5 years with no signs of infection activity, even though he received three new chemotherapy regimens due to a CLL relapse. However, after the second stem cell transplantation, new neurological symptoms began and a reactivation of the JC virus infection was detected. This time, treatment with mefloquine was started, but he experienced a progressive neurological deterioration and died 1 month after the symptoms began.


Subject(s)
Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis , Leukoencephalopathy, Progressive Multifocal/surgery , Postoperative Complications/diagnosis , Stem Cell Transplantation , Adult , Humans , Male , Recurrence , Time Factors
4.
Nephrology (Carlton) ; 18(9): 641-3, 2013 Sep.
Article in English | MEDLINE | ID: mdl-23980813

ABSTRACT

Plasma cell dyscrasias (PCD) are a spectrum of diseases characterized by clonal proliferation of plasma cells secreting a monoclonal immunoglobulin. Although considered an incurable disease, a combination of autologous stem cell transplant with novel therapies, including lenalidomide, has improved the overall and progression-free survival of these patients. Renal impairment is an important complication of the disease that, in some cases, progresses to end-stage renal disease. Due to the characteristics of PCD, traditionally these patients have not been candidates for renal transplantation. However, treatment improvement allows a reconsideration of this perception, especially in younger patients with good performance status and treatment response. We report two cases of patients diagnosed with PCD undergoing renal transplantation after autologous stem cell transplantation, both cases under treatment with lenalidomide. We also report their perioperative management and their outcome.


Subject(s)
Immunologic Factors/therapeutic use , Kidney Diseases/surgery , Kidney Transplantation , Paraproteinemias/therapy , Stem Cell Transplantation , Thalidomide/analogs & derivatives , Adult , Female , Humans , Immunosuppressive Agents/therapeutic use , Kidney Diseases/diagnosis , Kidney Diseases/etiology , Lenalidomide , Male , Paraproteinemias/complications , Paraproteinemias/diagnosis , Thalidomide/therapeutic use , Transplantation, Autologous , Treatment Outcome
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