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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2008-4-22
pubmed:abstractText
We compared the morphologic findings of different types of marginal zone B-cell lymphoma (MZL) involving the bone marrow (BM), including 18 splenic (SMZL), 6 extranodal (mucosa-associated lymphoid tissue lymphoma), and 6 nodal cases. The median percentage of BM involvement was 15%, and multiple overlapping patterns of infiltration were observed in all MZL types. The most frequent patterns were nodular (87%) and interstitial (63%). A focal sinusoidal pattern of involvement was found in one third of SMZLs and rarely in MALT lymphoma. Germinal centers (GCs) were uncommon in routinely stained BM biopsy sections and were observed only in SMZL. However, antibodies specific for CD21 and CD23 highlighted follicular dendritic cells in most MZLs of all types. MZLs cannot be distinguished from each other by examining BM sections alone. However, a sinusoidal pattern or presence of GCs is suggestive of SMZL. Furthermore, correlation with the CBC count can further enhance the reliability of diagnosing SMZL.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0002-9173
pubmed:author
pubmed:issnType
Print
pubmed:volume
129
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
714-22
pubmed:meshHeading
pubmed:year
2008
pubmed:articleTitle
Bone marrow involvement by marginal zone B-cell lymphomas of different types.
pubmed:affiliation
Department of Hematopathology, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
pubmed:publicationType
Journal Article