Document Detail

Chronic histiocytic intervillositis: a placental lesion associated with recurrent reproductive loss.
MedLine Citation:
PMID:  11112214     Owner:  NLM     Status:  MEDLINE    
Chronic (histiocytic) intervillositis (CHIV), defined for the purposes of this study as diffuse histiocytic infiltration of the intervillous space without villitis, is an idiopathic lesion seen in the chorionic sacs of some spontaneous abortion specimens and placentas. In this retrospective study, we evaluated all patients diagnosed with CHIV from 2 hospitals between 1993 and 2000, plus 1 additional patient from 1977. Histopathology, phenotype of the leukocytic infiltrate, perinatal outcome, and other associated clinical features were assessed by review of clinical records and all available pathology specimens plus immunohistochemical staining. CHIV was found in 31 of 45 specimens examined from 21 patients (23 of 31 first trimester, 3 of 5 second trimester, and 5 of 9 third trimester). Recurrence rate was 67% for patients with more than one specimen reviewed. Overall perinatal mortality rate was 77%, and only 18% of pregnancies reached 37 weeks. Eight of 19 patients with 3 or more pregnancies had recurrent spontaneous abortion (RSA); 5 with primary RSA (> or = 3 consecutive spontaneous abortions (SAB) with no living children) and 3 with secondary RSA (> or = 3 consecutive SAB with 1 or more living children). Severe intrauterine growth restriction was seen in 5 of 8 second- and third-trimester placentas with CHIV. Patients were generally not of advanced maternal age (mean, 29.8 +/- 6.2 years), and there was no obvious racial predisposition. Autoimmune or allergic phenomena were identified in 11 patients. Immunohistochemical staining of the intervillous infiltrate showed a near uniform population of monocyte-macrophages at varying stages of maturity and activation: more than 90% CD45Rb and CD68 positive, 30% to 40% MAC387 positive, less than 5% CD3 positive, and CD1a, CD20, CD30, and CD56 negative. We conclude that CHIV is an uncommon but important cause of recurrent spontaneous abortion and, in some cases, loss at later gestational ages. HUM PATHOL 31:1389-1396.
T K Boyd; R W Redline
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Human pathology     Volume:  31     ISSN:  0046-8177     ISO Abbreviation:  Hum. Pathol.     Publication Date:  2000 Nov 
Date Detail:
Created Date:  2000-12-18     Completed Date:  2001-01-04     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9421547     Medline TA:  Hum Pathol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1389-96     Citation Subset:  IM    
Copyright Information:
Copyright 2000 by W.B. Saunders Company
Department of Pathology, Baystate Medical Center, Springfield, MA, USA.
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MeSH Terms
Antigens, CD / analysis
Chorioamnionitis / metabolism,  pathology*
Chorionic Villi / metabolism,  pathology*
Chronic Disease
Gestational Age
Histiocytes / immunology,  metabolism,  pathology*
Infant Mortality*
Infant, Newborn
Retrospective Studies
Reg. No./Substance:
0/Antigens, CD
Comment In:
Hum Pathol. 2001 Sep;32(9):1022-3   [PMID:  11567235 ]

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