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Bone marrow involvement by lymphoproliferative disorders after solid-organ transplant. 2015

Eylem Akar Özkan, and B Handan Özdemir, and Eda Yılmaz Akçay, and Ayşen Terzi, and Sema Karakuş, and Mehmet Haberal
From the Department of Pathology, Baskent University, Faculty of Medicine, Ankara, Turkey.

OBJECTIVE Posttransplant lymphoproliferative disorders are classified as monomorphic, polymorphic, early lesions, or Hodgkin lymphoma. Bone marrow staging examination is recommended in posttransplant lymphoproliferative disorder patients. However, information about bone marrow involvement in these disorders is scarce. We evaluated 19 transplant patients with posttransplant lymphoproliferative disorder to investigate incidence of bone marrow involvement, associated morphologic changes, and prognosis. METHODS We retrospectively assessed bone marrow findings of 19 transplant patients with posttransplant lymphoproliferative disorder who underwent bone marrow staging at Baskent University from 1985 to 2013. Clinical and pathologic data were reviewed from the medical records. Follow-up information was obtained from medical records or communication with patients or families. Data collected including age, sex, Epstein-Barr virus status, immunosuppressive therapy, elapsed time from transplant to diagnosis of posttransplant lymphoproliferative disorder, B symptoms, number of extranodal sites, involvement of different organs, Ann Arbor clinical staging, hematologic parameters, and serum lactate dehydrogenase levels. RESULTS There were 5 of 19 patients (26.3%) who had bone marrow involvement with posttransplant lymphoproliferative disorder, including 2 patients diagnosed with posttransplant lymphoproliferative disorder by lymph node biopsy and 1 patient each diagnosed by native liver biopsy, nasopharyngeal biopsy, or allograft liver biopsy. In 4 patients, there was monomorphic posttransplant lymphoproliferative disorder subtype and 1 patient had early lesion posttransplant lymphoproliferative disorder subtype. In 10 of 19 patients (52.6%), Epstein-Barr virus was detected with in situ hybridization, including 3 patients with bone marrow involvement who were diagnosed with Burkitt lymphoma (n = 1), diffuse large B-cell lymphoma (n = 1), or early lesion (n = 1). CONCLUSIONS Patients with posttransplant lymphoproliferative disorder have high incidence of bone marrow involvement and high mortality rates. Therefore, bone marrow examination may be important in the diagnosis and staging evaluation of posttransplant lymphoproliferative disorder.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D007223 Infant A child between 1 and 23 months of age. Infants
D008232 Lymphoproliferative Disorders Disorders characterized by proliferation of lymphoid tissue, general or unspecified. Duncan's Syndrome,X-Linked Lymphoproliferative Syndrome,Duncan Disease,Epstein-Barr Virus Infection, Familial Fatal,Epstein-Barr Virus-Induced Lymphoproliferative Disease In Males,Familial Fatal Epstein-Barr Infection,Immunodeficiency 5,Immunodeficiency, X-Linked Progressive Combined Variable,Lymphoproliferative Disease, X-Linked,Lymphoproliferative Syndrome, X-Linked, 1,Purtilo Syndrome,X-Linked Lymphoproliferative Disease,X-Linked Lymphoproliferative Disorder,Disease, Duncan,Disease, X-Linked Lymphoproliferative,Diseases, X-Linked Lymphoproliferative,Disorder, Lymphoproliferative,Disorder, X-Linked Lymphoproliferative,Disorders, Lymphoproliferative,Disorders, X-Linked Lymphoproliferative,Epstein Barr Virus Induced Lymphoproliferative Disease In Males,Epstein Barr Virus Infection, Familial Fatal,Familial Fatal Epstein Barr Infection,Immunodeficiency 5s,Immunodeficiency, X Linked Progressive Combined Variable,Lymphoproliferative Disease, X Linked,Lymphoproliferative Diseases, X-Linked,Lymphoproliferative Disorder,Lymphoproliferative Disorder, X-Linked,Lymphoproliferative Disorders, X-Linked,Lymphoproliferative Syndrome, X-Linked,Lymphoproliferative Syndromes, X-Linked,Purtilo Syndromes,Syndrome, Purtilo,Syndrome, X-Linked Lymphoproliferative,Syndromes, Purtilo,Syndromes, X-Linked Lymphoproliferative,X Linked Lymphoproliferative Disease,X Linked Lymphoproliferative Disorder,X Linked Lymphoproliferative Syndrome,X-Linked Lymphoproliferative Diseases,X-Linked Lymphoproliferative Disorders,X-Linked Lymphoproliferative Syndromes
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011237 Predictive Value of Tests In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test. Negative Predictive Value,Positive Predictive Value,Predictive Value Of Test,Predictive Values Of Tests,Negative Predictive Values,Positive Predictive Values,Predictive Value, Negative,Predictive Value, Positive
D001853 Bone Marrow The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells. Marrow,Red Marrow,Yellow Marrow,Marrow, Bone,Marrow, Red,Marrow, Yellow
D001856 Bone Marrow Examination Removal of bone marrow and evaluation of its histologic picture. Examination, Bone Marrow,Bone Marrow Examinations,Examinations, Bone Marrow
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children

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