Rofo 2022; 194(11): 1242-1249
DOI: 10.1055/a-1829-6134
Head/Neck

Temporal Tendinitis in Craniomandibular Dysfunction (CMD) – Does it Really Exist? A Temporomandibular MRI Investigation

Tendinitis temporalis bei kraniomandibulärer Dysfunktion (CMD) – Welche Rolle spielt sie wirklich? Eine MRT-Studie der Temporomandibularregion
Herbert Stimmer
1   Department of Radiology, Klinikum rechts der Isar der Technischen Universität München, D-81675 München, Germany
,
Florian Grill
2   Department of Oral and Maxillofacial Surgery, Klinikum rechts der Isar der Technischen Universität München, D-81675 München, Germany
,
Birgit Waschulzik
3   Department of Medical Statistics and Epidemiology, Klinikum rechts der Isar der Technischen Universität München, D-81675 München, Germany
,
Markus Nieberler
2   Department of Oral and Maxillofacial Surgery, Klinikum rechts der Isar der Technischen Universität München, D-81675 München, Germany
,
Klaus-Dietrich Wolff
2   Department of Oral and Maxillofacial Surgery, Klinikum rechts der Isar der Technischen Universität München, D-81675 München, Germany
,
Andreas Kolk
4   Department of Oral and Maxillofacial Surgery, Medizinische Universität Innsbruck, A-6020 Innsbruck, Austria
› Author Affiliations

Abstract

Objectives The aim of the study was to analyze the role of temporal muscle and particularly tendon pathology in patients suffering from craniomandibular dysfunction (CMD) using magnetic resonance imaging.

Materials and Methods Retrospective analysis of MRI examinations was carried out with regard to temporal muscle fibrosis and fatty degeneration and particularly temporal tendon rupture, thickening, and degenerative signal alterations. Descriptive statistics and the Mann-Whitney U-test were used for statistical evaluation.

Results Structural lesions of temporal muscle parenchyma were the absolute exception. PD hyperintensity, pronounced contrast enhancement, or peritendinous fluid collections along the temporal tendon were found only to a small extent, and a (partial) rupture occurred in only one case. The tendon diameter showed only slight variability. The Mann-Whitney U-test provided no results indicating a causal connection between degenerative joint or disc disease and temporal tendon pathology.

Conclusion A large sample of 128 magnetic resonance imaging examinations provided no evidence of a major role of temporal tendinitis in clinical CMD syndrome.

Key Points:

  • Retrospective analysis of temporal tendon in CMD patients.

  • Abnormal structural findings along the tendon seen only rarely.

  • Obviously no crucial role of temporal tendon lesions in CMD syndrome.

Citation Format

  • Stimmer H, Grill F, Waschulzik B et al. Temporal Tendinitis in Craniomandibular Dysfunction (CMD) – Does it Really Exist? A Temporomandibular MRI Investigation. Fortschr Röntgenstr 2022; 194: 1242 – 1249

Zusammenfassung

Ziel Ziel der vorliegenden kernspintomografischen Untersuchung ist es, die Bedeutung von Läsionen des Musculus temporalis und insbesondere der Temporalissehne für das klinische Syndrom der kraniomandibulären Dysfunktion (CMD) zu untersuchen.

Material und Methoden In einer retrospektiven Analyse von MRT-Untersuchungen der Kiefergelenke wurden Fibrose und fettige Degeneration des Musculus temporalis und insbesondere Verdickung, degenerative Signalveränderungen und Ruptur der Temporalissehne beurteilt. Zur statistischen Auswertung kamen deskriptive Statistik und der Mann-Whitney-U-Test zur Anwendung.

Ergebnisse Strukturelle Läsionen des Musculus temporalis waren die absolute Ausnahme. Nur vereinzelt wurden ein Signalanstieg in PD-gewichteten Sequenzen, eine vermehrte KM-Aufnahme oder peritendinöse Flüssigkeitsansammlungen entlang der Temporalissehne gefunden, eine (Teil-)Ruptur der Sehne nur in einem Fall. Der Sehnendurchmesser zeigte nur eine geringe Variabilität. Der Mann-Whitney-U-Test erbrachte keine Hinweise auf eine kausale Verbindung zwischen degenerativer Gelenkerkrankung und Läsionen der Temporalissehne.

Schlussfolgerung In einer größeren Stichprobe von 128 MRT-Untersuchungen der Kiefergelenke fanden sich keine Hinweise auf eine wesentliche Rolle der temporalen Tendinitis beim klinischen Syndrom der kraniomandibulären Dysfunktion (CMD).

Kernaussagen:

  • Retrospektive Analyse der Sehne des Musculus temporalis bei CMD-Patienten.

  • Nur selten strukturelle Läsionen der Temporalissehne.

  • Offensichtlich keine wesentliche Rolle von Läsionen der Temporalissehne beim klinischen CMD-Syndrom.



Publication History

Received: 31 December 2021

Accepted: 09 April 2022

Article published online:
25 May 2022

© 2022. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 
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