An analysis of the postoperative maxillary cyst using computed tomography

Miho Yamada, Kazunori Yoshiura, Hideo Okuda, Masahiro Izumi, Hiroshi Ueno, Naoyuki Yamada

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The diagnostic value of computed tomography (CT) as compared with conventional radiographs in the study of postoperative maxillary cysts (POMC) in 64 patients (85 sides) was evaluated. Typical CT findings of POMC were of a unilocular or multilocular homogeneous soft tissue density mass with expansile bony resorption. A comparison between conventional radiographs and CT proved that CT could determine the location and multilocularity of the cyst, the status of the antral walls, and abnormalities of the other paranasal sinuses and adjacent structures more precisely than conventional radiographs. CT also facilitated the ability to predict the direction of extension of the lesion. In conclusion CT was indispensable for accurately diagnosing POMC. In some cases the inferior extension of the lesion should be examined by conventional radiography because this can be obscured by degradation caused by metal artefacts during CT.

Original languageEnglish
Pages (from-to)21-30
Number of pages10
JournalOral Radiology
Volume7
Issue number2
DOIs
Publication statusPublished - Dec 1 1991

All Science Journal Classification (ASJC) codes

  • Dentistry (miscellaneous)
  • Radiology Nuclear Medicine and imaging

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