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Insertion of the tensor veli palatini muscle into the eustachian tube cartilage in cleft palate cases.
Ann Otol Rhinol Laryngol. 1991 Jun; 100(6):439-46.AO

Abstract

Differences in insertion of the tensor veli palatini muscle (TVPM) into the lateral lamina of the eustachian tube (ET) cartilage between cleft palate (CP) cases and controls were investigated histologically. Thirty temporal bones with entire ETs were studied: 10 from individuals with CP and 20 controls. The ratio of the length of the ET cartilage with insertion of the TVPM to its total length from the nasopharyngeal end to near the tubal isthmus was calculated in all 30 cases. In all 20 controls, but in only 6 of 10 CP cases, the TVPM inserted into the lateral lamina of the ET cartilage at its tip portion (chi 2 test, p less than .025). The ratio was significantly smaller in CP cases (0.178 +/- 0.172) than in controls (0.419 +/- 0.120) (t = 4.305, p less than .001). We believe that abnormal insertion of the TVPM into the ET cartilage is one of the causes of the functional obstruction of the ET that contributes to the frequent bouts of otitis media experienced by those with cleft palate.

Authors+Show Affiliations

Matsune S
Department of Otolaryngology, University of Pittsburgh School of Medicine, Eye and Ear Institute of Pittsburgh, Pennsylvania 15213.
Sando I
No affiliation info available
Takahashi H
No affiliation info available

MeSH

Abnormalities, MultipleCartilageChild, PreschoolCleft PalateEustachian TubeHumansIncidenceInfantInfant, NewbornMusclesOtitis MediaPalate, Soft

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

2058982

Citation

Matsune, S, et al. "Insertion of the Tensor Veli Palatini Muscle Into the Eustachian Tube Cartilage in Cleft Palate Cases." The Annals of Otology, Rhinology, and Laryngology, vol. 100, no. 6, 1991, pp. 439-46.
Matsune S, Sando I, Takahashi H. Insertion of the tensor veli palatini muscle into the eustachian tube cartilage in cleft palate cases. Ann Otol Rhinol Laryngol. 1991;100(6):439-46.
Matsune, S., Sando, I., & Takahashi, H. (1991). Insertion of the tensor veli palatini muscle into the eustachian tube cartilage in cleft palate cases. The Annals of Otology, Rhinology, and Laryngology, 100(6), 439-46.
Matsune S, Sando I, Takahashi H. Insertion of the Tensor Veli Palatini Muscle Into the Eustachian Tube Cartilage in Cleft Palate Cases. Ann Otol Rhinol Laryngol. 1991;100(6):439-46. PubMed PMID: 2058982.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Insertion of the tensor veli palatini muscle into the eustachian tube cartilage in cleft palate cases. AU - Matsune,S, AU - Sando,I, AU - Takahashi,H, PY - 1991/6/1/pubmed PY - 1991/6/1/medline PY - 1991/6/1/entrez SP - 439 EP - 46 JF - The Annals of otology, rhinology, and laryngology JO - Ann Otol Rhinol Laryngol VL - 100 IS - 6 N2 - Differences in insertion of the tensor veli palatini muscle (TVPM) into the lateral lamina of the eustachian tube (ET) cartilage between cleft palate (CP) cases and controls were investigated histologically. Thirty temporal bones with entire ETs were studied: 10 from individuals with CP and 20 controls. The ratio of the length of the ET cartilage with insertion of the TVPM to its total length from the nasopharyngeal end to near the tubal isthmus was calculated in all 30 cases. In all 20 controls, but in only 6 of 10 CP cases, the TVPM inserted into the lateral lamina of the ET cartilage at its tip portion (chi 2 test, p less than .025). The ratio was significantly smaller in CP cases (0.178 +/- 0.172) than in controls (0.419 +/- 0.120) (t = 4.305, p less than .001). We believe that abnormal insertion of the TVPM into the ET cartilage is one of the causes of the functional obstruction of the ET that contributes to the frequent bouts of otitis media experienced by those with cleft palate. SN - 0003-4894 UR - https://www.unboundmedicine.com/medline/citation/2058982/Insertion_of_the_tensor_veli_palatini_muscle_into_the_eustachian_tube_cartilage_in_cleft_palate_cases_ DB - PRIME DP - Unbound Medicine ER -