2006
DOI: 10.1111/j.1447-073x.2006.00131.x
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An anomalous muscle linking superior and inferior rectus muscles in the orbit

Abstract: Dissections of the bilateral orbits in a 45-year-old female cadaver, who had no ocular movement disorders in her lifetime, revealed anomalous muscles linking the superior and inferior rectus muscles. The muscles, situated between the optic nerve and the lateral rectus muscle, originated from the annulus of Zinn and branched off two heads; one inserted into the medial inferior side of the superior rectus muscle and the other inserted into the central superior side of the inferior rectus muscle. Each insertion w… Show more

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Cited by 15 publications
(13 citation statements)
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“…Similar cases of anomalous muscular bands linking the SR and IR with no clinical manifestation were reported by Von Lüdinghausen et al [46] and Kakizaki et al [47] ("in a 45-year-old female cadaver, who had no ocular movement disorders in her lifetime"). Kakizaki et al [47] suggest that muscular bridges linking the SR and IR "are important in the differential diagnosis of intraorbital space-occupying lesions, rather than the differential diagnosis of strabismus." During diagnostic imaging, such anomalous muscular slips may be confused with blood vessels or various pathologies within the orbit (for example, lymphoma, vascular malformations, or metastasis) [43,45].…”
Section: Vertical Rectus Musclessupporting
confidence: 81%
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“…Similar cases of anomalous muscular bands linking the SR and IR with no clinical manifestation were reported by Von Lüdinghausen et al [46] and Kakizaki et al [47] ("in a 45-year-old female cadaver, who had no ocular movement disorders in her lifetime"). Kakizaki et al [47] suggest that muscular bridges linking the SR and IR "are important in the differential diagnosis of intraorbital space-occupying lesions, rather than the differential diagnosis of strabismus." During diagnostic imaging, such anomalous muscular slips may be confused with blood vessels or various pathologies within the orbit (for example, lymphoma, vascular malformations, or metastasis) [43,45].…”
Section: Vertical Rectus Musclessupporting
confidence: 81%
“…ose cases were discovered as incidental findings, with no relation to the clinical symptoms experienced by examined patients [45]. Similar cases of anomalous muscular bands linking the SR and IR with no clinical manifestation were reported by Von Lüdinghausen et al [46] and Kakizaki et al [47] ("in a 45-year-old female cadaver, who had no ocular movement disorders in her lifetime"). Kakizaki et al [47] suggest that muscular bridges linking the SR and IR "are important in the differential diagnosis of intraorbital space-occupying lesions, rather than the differential diagnosis of strabismus."…”
Section: Vertical Rectus Musclessupporting
confidence: 71%
“…Congenital conditions may be classified in a structural basis. According to their morphology and innervation, anomalous muscular structures located within the orbit can be assigned into two categories: retractor bulbi muscles and accessory (or supernumerary) rectus muscles [6, 16]. …”
Section: Discussionmentioning
confidence: 99%
“…However, a limited amount of anatomical studies is currently available on this issue. Kakizaki et al [ 6 ] described bilateral anomalous muscle linking superior and inferior rectus muscles in the orbit of 45-year-old female cadaver with no ocular movement disorders in the medical history. It was the first report of such finding in a representative of the Asian population.…”
Section: Discussionmentioning
confidence: 99%
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