Abstract |
The congenital absence of a skeletal muscle is a rare cause of congenital muscular torticollis, and the condition is associated with various unusual anatomical structures. We describe a rare case of congenital absence of the sternocleidomastoid muscle associated with squamous cell carcinoma of the tongue in a patient who underwent neck dissection. In this case, both the external jugular vein and the spinal accessory nerve were absent. However, we found that branches of the C3 nerve extended from the cervical plexus to the trapezius muscle and seemed to be acting as trapezius muscle motor nerves in place of the accessory nerve. After the operation, the patient was able to lift and abduct his right arm, and his shoulder did not droop.
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Authors | Hidenori Takahashi, Masahiro Umeda, Akiko Sakakibara, Takashi Shigeta, Tsutomu Minamikawa, Yasuyuki Shibuya, Takahide Komori |
Journal | The Kobe journal of medical sciences
(Kobe J Med Sci)
Vol. 59
Issue 5
Pg. E167-71
(May 20 2014)
ISSN: 1883-0498 [Electronic] Japan |
PMID | 24854995
(Publication Type: Case Reports, Journal Article)
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Topics |
- Accessory Nerve
(abnormalities)
- Adult
- Carcinoma, Squamous Cell
(surgery)
- Humans
- Jugular Veins
(abnormalities)
- Male
- Neck Dissection
- Neck Muscles
(abnormalities)
- Superficial Back Muscles
(innervation, physiopathology)
- Tongue Neoplasms
(surgery)
- Torticollis
(congenital, physiopathology)
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