Læknaneminn - 01.01.2017, Side 63

Læknaneminn - 01.01.2017, Side 63
Ri trý nt ef ni 6262 Mat á horfum sjúklinga sem greinast með PMBL eftir sömu leiðum og þeirra sem greinast með önnur stóreitilfrumuæxli af B­frumugerð getur verið villandi. Þar sem sjúklingar sem greinast með PMBL eru yfirleitt yngri en þeir sem greinast með önnur eitilfrumuæxli og sjúkdómurinn er yfirleitt bundinn við miðmæti getur stigagjöfin haft takmarkað forspárgildi. Horfur sjúklinga með PMBL fara að mestu eftir almennu ástandi þeirra við greiningu og svari við fyrstu krabbameinsmeðferð. Rannsóknir hafa sýnt fram á svipaðar horfur sjúklinga með PMBL og önnur ekki­Hodgkins eitilfrumuæxli19,21. Í tilfellinu sem hér um ræðir reyndist æxlið vera stóreitilfrumuæxli af B­frumugerð. Þrátt fyrir aldur sjúklings og staðsetningu sjúk dómsins uppfyllti vefjagerðin ekki skilyrði PMBL, þar sem hvorki voru merki um bandvefsaukningu í æxlinu né tjáningu á CD30, CD45 eða bcl­2. Samantekt Hér var lýst tilfelli konu sem greindist með fyrirferðarmikinn æxlis­ vöxt í miðmæti viku eftir fæðingu barns. Æxlið reyndist vera frumkomið stóreitilfrumuæxli af B­frumugerð í miðmæti af stigi IIB. Meðferð með R­CHOP var hafin strax í kjölfar greiningar og hefur sjúklingurinn sýnt fulla meðferðarsvörun. Heimildir 1. Duwe BV, Sterman DH, Musani AI. Tumors of the mediastinum*. Chest 2005;128:2893­ 909. 2. Strollo DC, Rosado de Christenson ML, Jett JR. Primary mediastinal tumors. Part 1: tumors of the anterior mediastinum. Chest 1997;112:511­22. 3. Jonasson JG, Tryggvadottir L. Krabbamein á Íslandi ­ Upplýsingar úr Krabbameinsskrá fyrir tímabilið 1955­2010. Krabbameinsfélagið, Reykjavík. 2012. 4. Strickler JG, Kurtin PJ. Mediastinal lymphoma. Seminars in diagnostic pathology 1991;8:2­13. 5. Lichtenstein AK, Levine A, Taylor CR, et al. Primary mediastinal lymphoma in adults. The American journal of medicine 1980;68:509­14. 6. Davis RD, Jr., Oldham HN, Jr., Sabiston DC, Jr. Primary cysts and neoplasms of the mediastinum: recent changes in clinical presentation, methods of diagnosis, management, and results. The Annals of thoracic surgery 1987;44:229­37. 7. Shankland KR, Armitage JO, Hancock BW. Non­Hodgkin lymphoma. Lancet 2012;380:848­57. 8. Ansell SM. Non­Hodgkin Lymphoma: Diagnosis and Treatment. Mayo Clinic proceedings 2015;90:1152­63. 9. Lenz G, Staudt LM. Aggressive lymphomas. The New England journal of medicine 2010;362:1417­29. 10. Swerdlow SH, Campo E, Pileri SA, et al. The 2016 revision of the World Health Organization classification of lymphoid neoplasms. Blood 2016;127:2375. 11. Harris NL, Jaffe ES, Stein H, et al. A revised European­American classification of lymphoid neoplasms: a proposal from the International Lymphoma Study Group. Blood 1994;84:1361­92. 12. El­Galaly TC, Mylam KJ, Brown PN et al. Routine Bone Marrow Biopsy Has Little or No Therapeutic Consequence for Positron Emission Tomography/Computed Tomography–Staged Treatment­Naive Patients With Hodgkin Lymphoma. Journal of Clinical Oncology 2012;30:36, 4508­4514 13. Khan AB, Barrington SF, Mikhaeel NG, et al. PET­CT staging of DLBCL accurately identifies and provides new insight into the clinical significance of bone marrow involvement. Blood 2013;122:61­7. 14. Coiffier B, Lepage E, Briere J, et al. CHOP chemotherapy plus rituximab compared with CHOP alone in elderly patients with diffuse large­B­cell lymphoma. The New England journal of medicine 2002;346:235­42. 15. Sehn LH, Donaldson J, Chhanabhai M, et al. Introduction of combined CHOP plus rituximab therapy dramatically improved outcome of diffuse large B­cell lymphoma in British Columbia. Journal of clinical oncology : official journal of the American Society of Clinical Oncology 2005;23:5027­33. 16. The International Non­Hodgkin’s Lymphoma Prognostic Factors Project. A predictive model for aggressive non­Hodgkin’s lymphoma. The New England journal of medicine 1993;329:987­94. 17. Pfreundschuh M, Kuhnt E, Trumper L, et al. CHOP­like chemotherapy with or without rituximab in young patients with good­ prognosis diffuse large­B­cell lymphoma: 6­year results of an open­label randomised study of the MabThera International Trial (MInT) Group. The Lancet Oncology 2011;12:1013­22. 18. Levitt LJ, Aisenberg AC, Harris NL et al. Primary non­Hodgkin’s lymphoma of the mediastinum. Cancer 1982;50:2486­92. 19. Johnson PW, Davies AJ. Primary mediastinal B­cell lymphoma. Hematology American Society of Hematology Education Program 2008:349­58. 20. The Non­Hodgkin’s Lymphoma Classification Project. A clinical evaluation of the International Lymphoma Study Group classification of non­Hodgkin’s lymphoma. Blood 1997;89:3909­18. 21. van Besien K, Kelta M, Bahaguna P. Primary mediastinal B­cell lymphoma: a review of pathology and management. Journal of clinical oncology : official journal of the American Society of Clinical Oncology 2001;19:1855­64
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