Document Detail

Hyrtl's fissure.
MedLine Citation:
PMID:  12170149     Owner:  NLM     Status:  MEDLINE    
Hyrtl's fissure is a transient anatomic landmark in the developing fetal petrous temporal bone and is usually closed by the normal progression of ossification in the 24th week of gestation. It occasionally persists into extrauterine life and has been reported as an unusual cause of a perilabyrinthine cerebrospinal fluid fistula. We present a case of a child presenting with bacterial meningitis because of a persistent Hyrtl's fissure. We have reviewed aspects of the fissure's developmental anatomy and previously published clinical cases. We have also explored the provenance of the eponym. We were unable to uncover evidence in support of the contention that Joseph Hyrtl was actually responsible for describing the structure commonly known as Hyrtl's fissure.
P M Rich; J Graham; P D Phelps
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Publication Detail:
Type:  Biography; Case Reports; Historical Article; Journal Article    
Journal Detail:
Title:  Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology     Volume:  23     ISSN:  1531-7129     ISO Abbreviation:  Otol. Neurotol.     Publication Date:  2002 Jul 
Date Detail:
Created Date:  2002-08-09     Completed Date:  2002-09-13     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  100961504     Medline TA:  Otol Neurotol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  476-82     Citation Subset:  IM    
The Royal National Throat, Nose and Ear Hospital, London, England, U.K.
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MeSH Terms
Anatomy / history
Child, Preschool
Embryo, Mammalian / anatomy & histology
Embryonic and Fetal Development
History, 19th Century
Meningitis, Pneumococcal / etiology
Temporal Bone / abnormalities,  embryology*,  radiography
Tomography, X-Ray Computed
Personal Name Subject
Personal Name Subject:
Joseph Hyrtl

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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