Imaging Sci Dent.  2018 Mar;48(1):73-77. 10.5624/isd.2018.48.1.73.

Organized hematoma of temporomandibular joint

Affiliations
  • 1Department of Oral and Maxillofacial Radiology, Yonsei University College of Dentistry, Seoul, Korea. sshan@yuhs.ac
  • 2Department of Oral Pathology, Oral Cancer Research Institute, Yonsei University, Seoul, Korea.

Abstract

Organized hematoma is a pseudo-tumorous lesion mostly occurs at sinonasal cavity and often confused with malignant neoplasm. The initiation of this lesion is blood accumulation, probably due to trauma, and this hematoma develops into organized hematoma as it encapsulated with fibrous band and neo-vascularized. Since it is uninformed at temporomandibular joint (TMJ) region, imaging diagnosis might be challenging. Also, delayed detection of mass involving TMJ is not uncommon due to confusion with joint disorder. Thus, this report introduced the rare pathology, organized hematoma on TMJ with advanced imaging features. Also, diagnostic point for early detection was described for the TMJ tumors and pseudo-tumors considering complexity of surgical intervention in this region.

Keyword

Hematoma; Temporomandibular Joint; Tomography, X-Ray Computed; Magnetic Resonance Imaging
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