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Shortened stapedius tendon: a rare cause of conductive hearing loss

  • F Zawawi (a1) (a2), R Varshney (a1) and M D Schloss (a1)



Anomalies of the stapedius tendon have been reported to cause conductive hearing loss; in theory, such anomalies limit the movement of the stapes.


To demonstrate a rare cause of conductive hearing loss resulting from anomaly of the stapedius tendon and to compare the clinical findings of this patient to other stapedius tendon anomalies reported in the literature.


Case report of a single case of shortened stapedius tendon and a review of the English literature on stapedius tendon anomalies.


This is a case report of a 15-year-old boy with shortened stapedius tendon causing unilateral hearing loss, accompanied by a review of the literature. Contrary to other reported cases, this patient did not have an ossified tendon, but rather an extremely short tendon. The boy regained normal hearing following excision of the stapedius tendon.


A shortened stapedius tendon is a very rare diagnosis, yet it should be considered as a possible cause of conductive hearing loss.


Corresponding author

Address for correspondence: Mr F Zawawi, 345 de la Gauchetiere West, APT 1003, Montreal, Canada, H2Z0A2 E-mail:


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1Patel, KN. Ossification of the stapedius tendon. J Laryngol Otol 1972;86:863–5
2Hara, A, Ase, Y, Kusakari, J, Kurosaki, Y. Dominant hereditary conductive hearing loss due to an ossified stapedius tendon. Arch Otolaryngol Head Neck Surg 1997;123:1133–5
3Cheng, T, Gan, RZ. Mechanical properties of stapedial tendon in human middle ear. J Biomech Eng 2007;129:913–18
4Schuknecht, HF, Trupiano, S. Some interesting middle ear problems. Laryngoscope 1957;67:395409
5Hough, JV. Congenital malformations of the middle ear. Arch Otolaryngol 1963;78:335–43
6Kurosaki, Y, Kuramoto, K, Matsumoto, K, Itai, Y, Hara, A, Kusakari, J. Congenital ossification of the stapedius tendon: diagnosis with CT. Radiology 1995;195:711–14



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