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Asociación Mexicana de Cirugía Bucal y Maxilofacial, Colegio Mexicano de Cirugía Bucal y Maxilofacial, A.C.

2025, Number 3

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Rev Mex Cir Bucal Maxilofac 2025; 21 (3)

Coronoid hyperplasia and Eagle syndrome: coexisting in the same individual. Case report and literature review

Cabañas SJA, Jiménez ZF, Villegas CÁ

Language: Spanish
References: 41
Page: 140-146
PDF size: 2302.82 Kb.


ABSTRACT

Introduction: Eagle syndrome, a little-known entity, was described by Dr. Eagle in 1937. Available therapeutic options allow for almost complete resolution of the symptoms associated with the elongation of the styloid process. The length and angulation of this structure impact the clinical manifestations. For this reason, it is essential to document and report all observed morphological variations. In 1853, Von Lagenbeck described hyperplasia of the coronoid process, which causes limited mouth opening without associated painful symptoms. Coronoidectomy is the therapeutic option, restoring the appropriate range of mouth opening, complemented by physical therapy. Objective: to report the unusual coexistence of coronoid process hyperplasia and Eagle syndrome in the same patient and her surgical intervention. Clinical case presentation: a 54-year-old female presented to the Maxillofacial Surgery Service of the Tláhuac General Hospital "Dr. Matilde Petra Montoya Lafragua", of the Institute of Security and Social Services for State Workers (ISSSTE), due to a history of bilateral pain in the cervicofacial region and a mouth opening of no more than 20 mm, accompanied by pain. A computed tomography scan and clinical tests led to a simultaneous diagnosis of Eagle syndrome and coronoid hyperplasia, which were treated surgically using an extraoral and intraoral approach, respectively. The transoperative course was uneventful, and there were no relapses during the six-month postoperative period. Conclusion: managing these conditions requires a multidisciplinary approach. The coexistence of both entities represents a diagnostic challenge due to the similarity in the clinical presentation; this diagnosis constitutes the main contribution of the article.


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