• Balazas, M., Horvath, G., Grama, L. & Balogh, P. (2001) Phenotypic identification and development of distinct microvascular compartments in the postnatal mouse spleen. Cellular Immunology, 212, 126137.
  • Barosi, G., Ambrosetti, A., Finelli, C., Grossi, A., Leoni, P., Liberato, N.L., Petti, M.C., Pogliani, E., Ricetti, M., Ruoli, S., Visani, G. & Tura, S. (1999) The Italian Consensus Conference on diagnostic criteria for myelofibrosis with myeloid metaplasia. British Journal of Haematology, 104, 730737.
  • Barosi, G., Viarengo, G., Pecci, A., Rosti, V., Piaggio, G., Marchetti, M. & Frassoni, F. (2001) Diagnostic and clinical relevance of the number of circulating CD34+ cells in myelofibrosis with myeloid metaplasia. Blood, 98, 32493255.
  • Barosi, G., Elliott, M., Canepa, L., Ballerini, F., Piccaluga, P.P., Visani, G., Marchetti, M., Pozzato, G., Zorat, F. & Tefferi, A. (2002) Thalidomide in myelofibrosis with myeloid metaplasia: a pooled-analysis of individual patient data from five studies. Leukemia & Lymphoma, 43, 23012307.
  • Bellamy, W.T., Richter, L., Frutiger, Y. & Groan, T.M. (1999) Expression of vascular endothelial growth factor and its receptors in hematopoietic malignancies. Cancer Research, 59, 728733.
  • Choi, J.H., Ahn, M.J., Jang, S.J., Park, C.K., Park, Y.W., Oh, H.S., Lee, Y.Y., Choi, I.Y. & Kim, I.S. (2002) Absence of clinical prognostic value of vascular endothelial growth factor and microvessel density in multiple myeloma. International Journal of Hematology, 76, 460464.
  • Di Raimondo, F., Azzaro, M.P., Palumbo, G.A., Bagnato, S., Stagno, F., Giustolisi, G.M., Cacciola, E., Sortino, G., Guglielmo, P. & Giustolisi, R. (2001) Elevated vascular endothelial growth factor (VEGF) serum levels in idiopathic myelofibrosis. Leukemia, 15, 976980.
  • Dupriez, B., Morel, P., Demory, J.L., Lai, J.L., Simon, M., Plantier, I., Bauters, F. (1996) Prognostic factors in agnogenic myeloid metaplasia: a report on 195 cases with a new scoring system. Blood, 88, 10131018.
  • Fiedler, W., Henke, R.P., Ergun, S., Schumacher, U., Gehling, U.M., Vohwinkel, G., Kilic, N. & Hossfeld, D.K. (2000) Derivation of a new hematopoietic cell line with endothelial features from a patient with transformed myeloproliferative syndrome. Cancer, 88, 344351.
  • Goulis, J., Chau, T.N., Jordan, S., Mehta, A.B., Watkinson, A., Rolles, K. & Burroughs, A.K. (1999) Thrombopoietin concentrations are low in patients with cirrhosis and thrombocytopenia and are restored after orthotopic liver transplantation. Gut, 44, 754758.
  • Handgretinger, R., Gordon, P.R., Leimig, T., Chen, X., Buhring, H.J., Niethammer, D. & Kuci, S. (2003) Biology and plasticicty of CD133+ hematopoietic stem cells. Annals of New York Academy of Science, 996, 141151.
  • Hill, J.M., Zalos, G., Halcox, J.P., Schenke, W.H., Waclawiw, M.A., Quyyumi, A.A. & Finkel, T. (2003) Circulating endothelial progenitor cells, vascular function, and cardiovascular risk. New England Journal of Medicine, 348, 593600.
  • Korkusuz, P., Dagderviren, A. & Asan, E. (2002) Immunophenotypic analysis of human spleen compartments. Annals of Anatomy, 184, 431441.
  • Mesa, R.A., Hanson, C.A., Rajkumar, S.V., Schroeder, G. & Tefferi, A. (2000) Evaluation and clinical correlations of bone marrow angiogenesis in myelofibrosis with myeloid metaplasia. Blood, 96, 33743380.
  • Mesa, R.A., Steensma, D.P., Pardanani, A., Li, C.Y., Elliott, M., Kaufmann, S.H., Wiseman, G., Gray, L.A., Schroeder, G., Reeder, T., Zeldis, J.B. & Tefferi, A. (2003) A phase II trial of combination low-dose thalidomide and prednisone for the treatment of myelofibrosis with myeloid metaplasia. Blood, 101, 25342541.
  • Novelli, E.M., Ramirez, M. & Civin, C.I. (1998) Biology of CD34+ CD38− cells in lymphohematopoiesis. Leukemia & Lymphoma, 31, 285293.
  • Peichev, M., Naiyer, A.J., Pereira, D., Zhu, Z., Lane, W.J., Williams, M., Oz, M.C., Hicklin, D.J., Witte, L., Moore, M.A. & Rafii, S. (2000) Expression of VEGFR-2 and AC133 by circulating human CD34(+) cells identifies a population of functional endothelial precursors. Blood, 95, 952958.
  • Piccaluga, P.P., Visani, G., Pileri, S.A., Ascani, S., Grafone, T., Isidori, A., Malagola, M., Finelli, C., Martinelli, G., Ricci, P., Baccarani, M. & Tura, S. (2002) Clinical efficacy and antiangiogenic activity of thalidomide in myelofibrosis with myeloid metaplasia. A pilot study. Leukemia, 16, 16091614.
  • Reyes, M., Dudek, A., Jahagirdar, B., Koodie, L., Marker, P.H. & Verfaille, C.M. (2002) Origin of endothelial progenitors in human postnatal bone marrow. Journal of Clinical Investigation, 109, 337346.
  • Ruck, P., Horny, H.P., Xiao, J.C., Bajinski, R. & Kaiserling, E. (1994) Diffuse sinusoidal hemangiomatosis of the spleen. A case report with enzyme-histochemical, immunohistochemical and electron-microscopic findings. Pathology, Research and Practice, 190, 708714.
  • Stalmans, I., Ng, Y-S., Rohan, R., Fruttiger, M., Bouche, A., Yuce, A., Fujisawa, H., Hermans, B., Shani, M., Jansen, S., Hicklin, D., Anderson, D.J., Gardiner, T., Hammes, H.P., Moons, L., Dewerchin, M., Collen, D., Carmeliet, P. & D‘Amore, P.A. (2002) Arteriolar and venular pattering in retinas of mice electively expressing VEGF isoforms. Journal of Clinical Investigation, 109, 327336.
  • Thiele, J., Klein, H., Falk, S., Bertsch, H.P., Fischer, R. & Stutte, H.J. (1992) Splenic megakaryocytopoiesis in primary (idiopathic) osteomyelofibrosis. An immunohistological and morphometric study with comparison of corresponding bone marrow features. Acta Haematologica, 87, 176180.