Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0019829 (Hodgkin's disease)
 30,247 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Epstein-Barr virus (EBV)-mediated lymphoid proliferations occur in patients who are immunocompromised and are reported following bone marrow or solid organ transplantation. Most post-transplant lymphoproliferative disorders (PTLD) are polymorphic in appearance; some are monomorphic and can resemble conventional malignant lymphomas. PTLD that resembles Hodgkin lymphoma has been reported infrequently. We herein report seven cases of PTLD that have large numbers of Reed-Sternberg-like (RS-like) cells and highlight differences in the phenotype of these cases that may distinguish Hodgkin-like PTLD (HL-PTLD) from true Hodgkin lymphoma/disease (HD). All patients were in the second decade of life and were 8 months to 13 years following transplant. HL-PTLD involves lymph nodes that contain a mixed population of small to intermediate-sized lymphocytes with large mononuclear and occasionally binucleate RS-like cells. The large cells of HL-PTLD are pleomorphic B cells that react strongly for CD20 and/or CD79a, express CD30, but are usually negative for CD15 and have few mitoses. They are positive for EBV early RNA (EBER) using an EBER-1 probe, as are some of the background small lymphocytes. A single case of true Hodgkin lymphoma has highly atypical RS-like cells that contain numerous mitoses, does not have CD20 or CD79a reactivity, has CD15 and CD30 staining, and the EBER-1 probe is confined to the large cells only. All patients were managed by withdrawal of immunosuppression and variably treated with either antiviral or anti-CD20 monoclonal antibody, or with chemotherapy. A unique instance of evolution from a HL-PTLD to true HD is also illustrated. In conclusion, HL-PTLD and HD appear to be two related but immunophenotypically and biologically distinct forms of lymphoproliferation in post-transplant patients and may require different protocols for their management.
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PMID:Hodgkin-like posttransplant lymphoproliferative disorder in children: does it differ from posttransplant Hodgkin lymphoma? 1456 42

The epidemiology and other aspects of post-transplantation lymphoproliferative disorders (PTLD) are different in different transplant populations. In this study, we sought to determine the clinical, histopathological and various other features of PTLD in recipients of pancreas-renal allografts and to compare their data with renal-only transplant patients, based on the current available literature. We conducted a comprehensive search for the available data using the Pubmed and Google scholar search engines for reports of lymphoproliferative disorders after renal and simultaneous pancreas-renal (SPR) transplantations. A total of 229 recipients of renal and pancreas-renal allografts were included in the analysis. Localizations for SPR recipients were significantly higher than renal recipients in the pancreas (P <0.0001), skin (P = 0.035), liver (P = 0.043) and bone marrow (P = 0.022). Involvement of lymph nodes was more prevalent in renal recipients (P = 0.046). The occurrence of metastasis was more common among SPR recipients (P = 0.005). Hodgkin's and Hodgkin's-like PTLD were also more prevalent among SPR transplant patients (P <0.0001). Time to development of PTLD was significantly shorter among recipients of SPR (P <0.0001). In this study of international data, we found that PTLD in SPR transplant recipients have various characteristics in their site of involvement, disease presentation time and histopathological features. However, no difference in outcome was detected in these groups of PTLD patients. Future studies with larger study populations are needed for confirming and extending our study results.
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PMID:Post-transplantation lymphoproliferative disorders in renal vs. simultaneous renal-pancreas allograft recipients: a survey and analysis of data from the literature. 2335 84

Post-transplant lymphoproliferative disorder (PTLD) is an uncommon complication after solid-organ transplants and hematopoietic stem cell transplants. Isolated involvement of the skin without systemic involvement in PTLD is extremely rare. Primary cutaneous PTLD is generally categorized as either cutaneous T-cell lymphoma or cutaneous B-cell lymphoma, with variable Epstein-Barr virus (EBV) positivity. Herein, we describe an exceedingly uncommon case of a primary cutaneous Hodgkin-like polymorphic PTLD. A man in his 60s, with a history of kidney transplant, presented with a 5-week history of two indurated plaques. Clinical, histologic and immunohistochemical findings were consistent with primary cutaneous Hodgkin-like polymorphic PTLD. Reduction in immunosuppression led to resolution of his lesions. This case highlights a rare case of primary cutaneous Hodgkin-like PTLD and increases awareness of this uncommon post-transplant complication. It also underscores the importance of collaboration between dermatology, hematology, dermatopathology and hematopathology in order to diagnose challenging cases.
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PMID:Primary cutaneous Hodgkin-like polymorphic post-transplant lymphoproliferative disorder. 3067 6