{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,11]],"date-time":"2026-02-11T15:04:56Z","timestamp":1770822296017,"version":"3.50.1"},"reference-count":44,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2007,3,2]],"date-time":"2007-03-02T00:00:00Z","timestamp":1172793600000},"content-version":"vor","delay-in-days":6391,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Hematological Oncology"],"published-print":{"date-parts":[[1989,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A clinicopathological study was performed on 114 patients (46 male\/68 female, median age 67 years) with the diagnosis of agnogenic myeloid metaplasia (AMM) respectively primary osteo\u2010myelofibrosis which was not preceded by any other or allied subtype of chronic myeloproliferative disorders. On admission patients revealed a striking variability of laboratory data as well as different histopathological features of initial bone marrow biopsies. For this reason discrimination was done into two groups based on bone marrow findings: group I patients (<jats:italic>n<\/jats:italic> = 46, 19 male\/27 female) showed a hypercellular marrow without or only borderline (<jats:italic>n<\/jats:italic> = 24) to slight (<jats:italic>n<\/jats:italic> = 22) reticulin fibrosis and group II cases (<jats:italic>n<\/jats:italic> = 68, 27 male\/41 female) displayed coarse bundles of collagen fibres (<jats:italic>n<\/jats:italic> = 18) frequently accompanied by osteosclerosis (<jats:italic>n<\/jats:italic> = 50). Statistical analysis of the corresponding initial hematological findings resulted in significant differences. These differences concerned also the complications occurring during the lengthy course of disease, which included a higher incidence of pancytopenia and severe marrow failure with hemorrhage and blast crisis in group II patients. However, overall survival time was not different in both groups. This may be related to the similarity of age distribution (64 resp. 65 years) and its significant association with arteriosclerotic vascular lesions. Consequently acute myocardial infarction and congestive heart failure were frequent causes of death in addition to infections due to marrow failure and blast crisis. Repeated bone marrow biopsies in 24 patients revealed an insidious transition from hypercellular lesions (group I) into advanced fibro\u2010osteosclerotic changes (group II) concurring with laboratory data. Therefore our discrimination into two groups of patients represents variable stages or static histological and corresponding hematologic features in the evolution of a dynamic disease process in AMM.<\/jats:p>","DOI":"10.1002\/hon.2900070502","type":"journal-article","created":{"date-parts":[[2007,2,19]],"date-time":"2007-02-19T20:05:05Z","timestamp":1171915505000},"page":"327-343","source":"Crossref","is-referenced-by-count":27,"title":["Agnogenic myeloid metaplasia (AMM)\u2014correlation of bone marrow lesions with laboratory data: A longitudinal clinicopathological study on 114 patients"],"prefix":"10.1002","volume":"7","author":[{"given":"Juergen","family":"Thiele","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rudolf","family":"Zankovich","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Thomas","family":"Steinberg","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert","family":"Fischer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Volker","family":"Diehl","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,3,2]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2141.1977.tb05753.x"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2141.1979.tb03697.x"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/00000441-196206000-00001"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0344-0338(84)80124-7"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/jcp.39.3.237"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2141.1984.tb02912.x"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(197710)40:4<1548::AID-CNCR2820400427>3.0.CO;2-U"},{"key":"e_1_2_1_9_1","first-page":"427","volume-title":"Myelofibrosis and the Biology of Connective Tissue","author":"Castro\u2010Malaspina H.","year":"1984"},{"key":"e_1_2_1_10_1","doi-asserted-by":"crossref","first-page":"781","DOI":"10.1182\/blood.V57.4.781.781","article-title":"Human megakaryocyte stimulation of proliferation of bone marrow fibroblasts","volume":"57","author":"Castro\u2010Malaspina H.","year":"1981","journal-title":"Blood"},{"key":"e_1_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1182\/blood.V59.5.1046.1046"},{"key":"e_1_2_1_12_1","first-page":"3060","article-title":"Valeur pronostique des lesions osteomedullaires de la splenomegalie myeloide primitive","volume":"43","author":"Chelloul N.","year":"1975","journal-title":"Nouv. 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