Document Detail

Migrating and herniating hydatid cysts.
MedLine Citation:
PMID:  17452088     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To present the prevalence and imaging findings of patients with hydatid disease (HD) showing features of migration or herniation of the hydatid cysts (HCs) and underline the clinical significance of this condition. MATERIALS AND METHODS: Between May 2003 and June 2006, 212 patients with HD were diagnosed by abdomen and/or thorax CT, searched for migrating or herniating HC. Imaging findings of 7 patients (5 women, 2 men with an age range of 19-63 years; mean+/-S.D., 44+/-19 years) with HD showing transdiaphragmatic migration (6 subjects) or femoral herniation (1 subject) were evaluated. Diagnosis of all the patients were established by pathologic examination and migration or herniation was confirmed by surgery in all patients. RESULTS: Liver HD were identified in 169 (79.7%) of 212 patients with HD. Transdiaphragmatic migration of HCs were identified in 6 (3.5%) of the 169 patients with liver HD. In one patient, femoral herniation of the retroperitoneal HC into the proximal anterior thigh was identified. All of these seven patients exhibiting migration or herniation of HCs had active HCs including 'daughter cysts'. Two patients had previous surgery because of liver HD and any supradiaphragmatic lesion was not noted before operation. Findings of migration or herniation were confirmed by surgery. CONCLUSION: Active HCs may show migration or herniation due to pressure difference between the anatomic cavities, and in some of the patients, by contribution of gravity. Previous surgery may be a complementary factor for migration as seen in two of our patients. The possibility of migration or herniation in patients with HD should be considered before surgery.
Zafer Koc; Ali Ezer
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Publication Detail:
Type:  Journal Article     Date:  2007-04-23
Journal Detail:
Title:  European journal of radiology     Volume:  65     ISSN:  0720-048X     ISO Abbreviation:  Eur J Radiol     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2008-01-08     Completed Date:  2008-04-10     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8106411     Medline TA:  Eur J Radiol     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  120-4     Citation Subset:  IM    
Başkent University, Faculty of Medicine, Department of Radiology, Adana, Turkey.
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MeSH Terms
Contrast Media
Diagnosis, Differential
Echinococcosis / diagnosis*,  pathology
Magnetic Resonance Imaging / methods
Middle Aged
Tomography, X-Ray Computed / methods
Reg. No./Substance:
0/Contrast Media

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