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Coronoid process enlargement

J F Hönig1, H A Merten, O E Korth

  • 1Department of Maxillofacial Surgery, University Hospital and Medical School, Göttingen, Germany.

Dento Maxillo Facial Radiology
|May 1, 1994
PubMed
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A young man experienced limited jaw movement due to unilateral process enlargement. Surgery revealed coronoid hyperplasia, not an osteochondroma, correcting the mandibular restriction.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Radiology

Background:

  • Unilateral enlargement of the coronoid process can lead to restricted mandibular movement.
  • Differential diagnosis between benign bone tumors and developmental anomalies is crucial for effective treatment.

Observation:

  • A 22-year-old male presented with progressive limitation of mandibular movements.
  • Radiographic imaging suggested an osteochondroma of the coronoid process.

Findings:

  • Surgical intervention (coronoidectomy) was performed for diagnostic and therapeutic purposes.
  • Histopathological examination confirmed the diagnosis as coronoid hyperplasia, a developmental anomaly.

Implications:

  • This case highlights the importance of considering coronoid hyperplasia in the differential diagnosis of unilateral coronoid process enlargement.

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  • Accurate diagnosis through surgical exploration and histopathology is essential for appropriate management of jaw movement limitations.