Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
41
pubmed:dateCreated
1991-12-17
pubmed:abstractText
In 1987, a 50-year-old patient presented with isolated thrombocytopenia (27,000/mm3) which proved to be refractory to steroid medication and high i.v. doses of immunoglobulin. Two years later he developed macrocytic anemia. Chromosomal analysis confirmed the diagnosis of myelodysplastic syndrome (MDS), refractory anemia type with blast excess. Cytogenetically, three cellular populations were observed: one normal (75% of metaphases) and two abnormal, clone A (2%) 46,XY, del(5q), del(11q), and clone B (23%) 46,XY, del(5q), del(11q) plus 2 other anomalies. Evolution was characterized by worsening of the bicytopenia with marked hypoplasia of the megakaryocytic and erythroid series while the percentage of blasts remained stable. Concerning the chromosomal markers, the normal population disappeared and clone A became predominant (clone A 97%, clone B 3%). This case shows that isolated thrombocytopenia can be the sole initial manifestation of MDS. We discuss the possibility that "refractory thrombocytopenia" constitutes a diagnostic category like refractory anemia or refractory anemia with ring sideroblasts. The proliferative advantage of clone A or the disadvantage of clone B may be due to the occurrence of new, cytogenetically non-detectable mutations.
pubmed:language
ger
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0036-7672
pubmed:author
pubmed:issnType
Print
pubmed:day
12
pubmed:volume
121
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1499-502
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1991
pubmed:articleTitle
[Unusual initial manifestation in a case of refractory anemia with excess of blasts].
pubmed:affiliation
Département de médecine, Hôpital cantonal universitaire de Genève.
pubmed:publicationType
Journal Article, English Abstract, Research Support, Non-U.S. Gov't