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Orbital dermoid cyst of childhood: clinical pathologic findings, classification and management.
MedLine Citation:
PMID:  21267629     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
To analyze the characteristics and treatment outcomes of pediatric orbital dermoid cysts. Chart review of consecutive pediatric biopsy-proven dermoid cysts surgically removed at the Department of Ophthalmology, Maggiore Hospital, between 2000 and 2007. We excised dermoid cysts from 30 children (30 eyes) whose mean age at the time of surgery was 24 months (range 6-84). The most common presentation of the cyst was a palpable or partially palpable mass (100%), followed by a superior lid ptosis (10%). Twenty patients (67%) had superficial cysts with margins well-definable by palpation, and 10 patients (33%) had deep cysts that extended beyond the orbital rim with an incomplete palpation of margins requiring imaging studies. The most frequent localization of the cysts was the superior temporal zygomatico-frontal suture (86.6%), followed by the superior nasal frontal suture (10%). Complete removal of the cysts was achieved and confirmed histopathologically, and there were no recurrences among the patients at a mean follow-up of 28 months (range 6-73). One child, however, developed a temporary orbital hematoma. The superficial cysts had an anatomic mean diameter of 10 mm (range 2.5-15), and the mean age of the patients at surgery was 19 months (range 6-31). The deep cysts had a larger diameter with a mean of 14 mm (range 10-30) (P = 0.008), and the children were older at presentation with a mean age of 34 months (range 15-84) (P = 0.03). There was a statistically significant difference (P < 0.05) between the two groups (superficial and deep) when comparing age and diameter. Cysts with palpably distinct margins (superficial) can be easily and completely excised with no recurrence. Cysts with indistinct margins need detailed computed tomography or magnetic resonance imaging investigation because they may require deep orbital dissection. Complete excision of the cyst's capsule may be difficult as a result. In our review we have not found cysts with intracranial extension.
Authors:
Stefano Cavazza; Gian Luca Laffi; Laura Lodi; Elisa Gasparrini; Giorgio Tassinari
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-26
Journal Detail:
Title:  International ophthalmology     Volume:  -     ISSN:  1573-2630     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7904294     Medline TA:  Int Ophthalmol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Ophthalmology, Maggiore Hospital, Largo B. Nigrisoli 2, 40100, Bologna, Italy, stefano.cavazza@ausl.bologna.it.
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