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Query: UNIPROT:Q06643 (non-Hodgkin's lymphoma)
 11,307 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Primary lymphoma of bone (PLB) is an unusual but well-recognized extranodal presentation of non-Hodgkin's lymphoma. In most series treatment with radiotherapy alone results in a cure rate of approximately 40%. Between January 1972 and December 1982, 26 patients with biopsy proven PLB were treated at the Rizzoli Institute with radiotherapy (4000-5,500 rad) and chemotherapy (vincristine, cyclophosphamide and adriamycin). The minimal clinical staging included complete blood cell counts and serum chemistries, bone radiography, full lung tomography, isotope bone scan, bone marrow biopsy and bipedal lymphoangiograms. At a median follow-up of 13 years (8.5-18.5) there were only three relapses (2 cases of meningeal involvement and 1 recurrence in another bone). No local recurrences nor second tumor in the irradiated field were observed. We conclude that the addition of chemotherapy to radiotherapy results in an excellent cure rate for patients with PLB.
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PMID:Primary lymphoma of bone: long term results in patients treated with vincristine--adriamycin--cyclophosphamide and local radiation. 191 58

The radiological features of bone lesions in patients affected by malignant lymphoma (Hodgkin's lymphoma, non-Hodgkin's lymphoma and primary non-Hodgkin's lymphoma of bone) were studied. For each bone lesion the site and type of alteration, the involvement of the cortex and adjacent soft tissue, the periosteal reaction and the presence of a pathological fracture were considered. The radiological aggressiveness of bone lesions in malignant lymphoma was assessed on the basis of these data according to Lodwick criteria; the lower aggressiveness of bone lesions of Hodgkin's than in non-Hodgkin's lymphoma is stressed.
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PMID:[Comparative radiologic study of bone localizations of malignant lymphomas]. 361 78

The authors report on the results obtained in 30 consecutive cases of primary non-Hodgkin's lymphoma of bone (PNHLB) treated at the Istituto Ortopedico Rizzoli between 1972 and 1982. Four patients were treated with radiotherapy only and 26 were treated with radiotherapy plus adjuvant chemotherapy. At a median follow-up of 86 months (range, 30-160), among the 26 patients treated with chemotherapy also there were 3 relapses (2 had meningeal involvement and 1 had recurrence in another bone). Relapse (local recurrence plus multiple new localizations) was observed in one of the four patients treated with radiotherapy only. These results are compared with the results of 68 patients with Ewing's sarcoma who were treated during the same period with radiation therapy and adjuvant chemotherapy and reported in a previous study. In this group, the disease-free survival rate was only 32% (20/68) with a much higher incidence of local recurrence (31%). The necessity of making a clear distinction between PNHLB and Ewing's sarcoma is discussed.
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PMID:Therapy for primary non-Hodgkin's lymphoma of bone and a comparison of results with Ewing's sarcoma. Ten years' experience at the Istituto Ortopedico Rizzoli. 394 27

Small round cell tumors (SRCTs) of the bone make up a family of primary bone sarcomas with morphologically, biologically, and clinically specific features. Among them, Ewing's sarcoma (ES) is the most common entity, but several varieties such as atypical ES, large cell ES, and ES with neuroectodermal differentiation (peripheral primitive neuroectodermal tumor of the bone or neuroepithelioma of the bone) have been identified recently. Histology and electron microscopy together with the variable expression of several epitopes (as shown by immunohistochemistry, mainly HBA/71 [Mic2 antigen]) provide the basis for characterizing the group within the context of neuroectodermal-derived neoplasms. A number of other ES-like tumors with small round cells, mimicking those previously described, have been characterized; Askin's tumor of the thoracopulmonary region will be considered as an ES similar to those already described, but within a particularly anatomic location. On the other hand, the presence of an endothelial appearance within a poorly differentiated neoplasm may be present in some ES-like SRCTs (atypical ES with endothelial features). The differential diagnosis with other sarcomas defined by small round to spindle cell contours might prove difficult. Particular attention must be paid to small cell osteosarcoma and mesenchymal chondrosarcoma. Likewise, "primitive sarcoma of bone" is considered in this study because it is a very rare neoplasm differing from the formerly discussed types; its pluripotentiality provides this tumor a blastemic character and a multiphenotypic expression. Malignant non-Hodgkin's lymphoma is an unusual presentation when primary to the bone, previous to any other anatomic location. Several subtypes have been considered within a histology that encompasses that seen in lymph nodes.
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PMID:Histology, immunohistochemistry, and electron microscopy of small round cell tumors of bone. 887 7

Forty cases of oral cavity non-Hodgkin's lymphoma (NHL) were evaluated for sex, age, location, clinical presentation, and World Health Organization (WHO) histological subtype. Fifty-three percent were female and the mean age was 71. The upper jaw (maxilla or palatal bone), mandible, palatal soft tissue, and vestibule and gingivae (maxillary or mandibular soft tissue involvement only) were, respectively, the most common locations. Swelling, ulceration, and radiographic destruction of bone were the most frequent signs. Most of the lymphomas were of B cell lineage (98%), and the majority of these B cell lymphomas (58%) were histologically subtyped as diffuse large B cell lymphoma, which is considered to have an aggressive clinical course. An immunohistochemical panel was used in the majority of cases to confirm the lineage and to help characterize the subtype. B and T cell specific markers were used to show lineage of the neoplastic cells. Additional markers were used to help confirm specific subtypes that characteristically show specific positivity to some of these antibodies. Molecular studies to detect monoclonal immunoglobulin heavy chain (IgH) gene rearrangements and Bcl-1 and Bcl-2 gene translocations were performed in cases in which the diagnosis was in question. The current WHO classification is also reviewed in detail.
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PMID:Oral non-Hodgkin's lymphoma: review of the literature and World Health Organization classification with reference to 40 cases. 1760 60