The Experts below are selected from a list of 27 Experts worldwide ranked by ideXlab platform
Takashi Yamadori - One of the best experts on this subject based on the ideXlab platform.
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an anomalous cleido Occipitalis Muscle
Cells Tissues Organs, 1994Co-Authors: H A Rahman, Takashi YamadoriAbstract:In a Japanese female cadaver, the occipital portion of the trapezius Muscle (the cleido-Occipitalis) was separated from the rest of the Muscle by a triangular gap that resulted from a deficiency of the upper two thirds of the cervical portion on both sides. The right cleido-occipitals blended distally with the cervical fibers of the trapezius and had a normal insertion into the clavicle. The left cleido-Occipitalis intermingled partially with the reduced cervical portion, and some of the conjoint fibers formed an independent accessory slip whose tendon inserted into the posterior aspect of the junction of the middle and medial thirds of the clavicle. The other conjoint fibers inserted into the clavicle and scapula as usual. This anomalous morphology may be attributed to a secondary degeneration of a portion of the trapezius anlage concomitant with an abnormal segregation of another portion during development.
H A Rahman - One of the best experts on this subject based on the ideXlab platform.
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an anomalous cleido Occipitalis Muscle
Cells Tissues Organs, 1994Co-Authors: H A Rahman, Takashi YamadoriAbstract:In a Japanese female cadaver, the occipital portion of the trapezius Muscle (the cleido-Occipitalis) was separated from the rest of the Muscle by a triangular gap that resulted from a deficiency of the upper two thirds of the cervical portion on both sides. The right cleido-occipitals blended distally with the cervical fibers of the trapezius and had a normal insertion into the clavicle. The left cleido-Occipitalis intermingled partially with the reduced cervical portion, and some of the conjoint fibers formed an independent accessory slip whose tendon inserted into the posterior aspect of the junction of the middle and medial thirds of the clavicle. The other conjoint fibers inserted into the clavicle and scapula as usual. This anomalous morphology may be attributed to a secondary degeneration of a portion of the trapezius anlage concomitant with an abnormal segregation of another portion during development.
Nurten Uzun - One of the best experts on this subject based on the ideXlab platform.
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Occipitalis Muscle using for repetitive facial nerve stimulation in myasthenia gravis
Acta Neurologica Belgica, 2020Co-Authors: Ahmet Yildirim, Turgut Adatepe, Aysegul Gunduz, Orhan Yagiz, Nurten UzunAbstract:Repetitive nerve stimulation (RNS) is a highly sensitive electrophysiological test used for diagnosing myasthenia gravis (MG). Here, we evaluated electrodiagnostic value of RNS using facial nerve and Occipitalis Muscle. Patients with generalized MG were included. Clinical findings were assessed. RNS test was performed on Occipitalis, nasalis, trapezius, abductor policis brevis (APB) and abductor digiti minimi (ADM) Muscles. Twenty-five (78%) patients had relevant decrement during RNS test of at least one Muscle. Nasalis Muscle had the highest diagnostic potential (68.8%), followed by trapezius (53.3%), Occipitalis (50%), APB (30%) and ADM (16.7%) Muscles. There was not a significant relationship between clinical symptoms and facial RNS recorded on Occipitalis Muscle. In conclusion, we suggest that facial RNS recording over Occipitalis Muscle can be added in electrodiagnosis of MG because of cranial nerve innervation and proximal location. Facial RNS recording over Occipitalis Muscle provides a good choice under the conditions such as atrophy, cosmetic surgery, or botulinum toxin application in which nasalis Muscle is unavailable for use.
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repetitive facial nerve stimulation using Occipitalis Muscle
Journal of Clinical Neurophysiology, 2017Co-Authors: Turgut Adatepe, Ahmet Yildirim, Aysegul Gunduz, Nurten UzunAbstract:Purpose We aimed to evaluate the reliability and reproducibility of repetitive nerve stimulation recorded on Occipitalis Muscle by comparing recordings on nasalis Muscle in healthy subjects. Methods A total of 23 healthy subjects (mean age: 44.7 ± 13.8 years) underwent detailed neurological examination and repetitive nerve stimulation using nasalis and Occipitalis Muscles. Amplitude and area percentage changes of compound Muscle action potentials (CMAPs) after repetitive nerve stimulation with different frequency were compared between right and left sides and between recordings on nasalis and Occipitalis Muscles. Results Comparisons of percentage amplitude changes of nasalis and Occipitalis CMAPs showed no differences (+0.1% ± 3.8% vs. +1.4% ± 3.9%, P = 0.129). Average area percentage change of nasalis CMAPs was 0.3% ± 19.0%, whereas the value of Occipitalis CMAP was +2.8% ± 15.2% (P = 0.851). Comparisons of nasalis and Occipitalis CMAPs values showed no differences. Conclusions The repetitive nerve stimulation recorded on Occipitalis Muscle is simple, easy to apply, noninvasive, consistent, and reproducible.
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A novel Muscle for electroneurography in peripheral facial palsy: Occipitalis
European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated wi, 2015Co-Authors: Nurten Uzun, Turgut Adatepe, Aysegul Gunduz, Elad Azizli, Zeynep Alkan, Ozgur Yigit, Feray Karaali-savrunAbstract:Electroneurography (ENoG) is one of the most objective tests in grading the damage and prediction of prognosis in peripheral facial palsy (PFP). We aimed to determine temporal changes of ENoG recorded over Occipitalis Muscle in acute idiopathic PFP. Consecutive 21 patients with unilateral acute idiopathic PFP and age- and sex-matched 15 healthy volunteers were included in the study. Nasal and occipital ENoG values were recorded once in the control group and the same procedure was repeated daily between the second and eight days of the disorder in the PFP group. Occipital ENoG value began to increase on the third day while nasal ENoG value was still within the normal range (27.04 vs 7.69 %, p = 0.0001). In the fourth, fifth and sixth days, occipital ENoG value was significantly high compared to nasal ENoG value (p = 0.0001 for each day) whereas nasal and occipital ENoG values were very similar in the seventh and eighth days (p = 0.181 and p = 0.584, respectively). Our study presents further support for technical possibility of occipital ENoG which may reflect the degree of fiber degeneration earlier than the nasalis Muscle in PFP.
Surekha D Shetty - One of the best experts on this subject based on the ideXlab platform.
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possible entrapment of external jugular vein in the supraclavicular triangle by the presence of accessory cleido Occipitalis Muscle
Saudi Journal for Health Sciences, 2015Co-Authors: Naveen Kumar, Jyothsna Patil, Ravindra S Swamy, Ashwini P Aithal, Anitha Guru, Surekha D ShettyAbstract:Accessory cleido‑Occipitalis Muscle is an additional Muscle fascicle derived from occipital portion of trapezius Muscle inserted into the clavicle. Since its location is confined to neck region, it is also known as cleido‑Occipitalis cervicis. In the present case, we report a unique case of accessory cleido‑Occipitalis Muscle derived from trapezius Muscle. It was more tendinous than muscular and its tendon was extending medially, crossing the supraclavicular triangle of the neck horizontally in close approximation of clavicle. A narrow gap between them was a passage for the external jugular vein with its possible entrapment. The external jugular vein is a clinically important superficial venous channel required for many therapeutic interventions. The possible entrapment of it could hinder these approaches and also could lead to several complications
Kunwar S S Bhatia - One of the best experts on this subject based on the ideXlab platform.
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an intramuscular lipoma developing within an anomalous cleido Occipitalis cervicalis Muscle
Otolaryngology, 2012Co-Authors: Ryan Lee Ka Lok, Kunwar S S BhatiaAbstract:An anomalous cleido-Occipitalis Muscle is an uncommon anatomical variant found in the posterior cervical triangle. To the best of our knowledge, the presence of an intra-muscular lipoma within this Muscle has not been reported previously. We present a case report of this condition with Ultrasound (US) and Magnetic Resonance Imaging (MRI) correlation, which presented as posterior triangle neck mass mimicking cervical lymphadenopathy. We also present a succinct summary of published literature pertaining to anomalous neck Muscles.
