Multiple Periapical Dysplasias Analyzed by Cone-beam-computer Tomography and Tcm-Scintigraphy

Overview

Journal Radiol Case Rep

Publisher Elsevier

Specialty Radiology

Date 2021 Oct 11

PMID 34630813

Authors

Manfred Nilius

Minou Nilius

Charlotte Muller

Henry Leonhardt

Dominik Haim

Patrick Novak

Adrian Franke

Bernhard Weiland

Guenter Lauer

Affiliations

Soon will be listed here.

Abstract

Periapical cemental dysplasia (PCD) is considered a non-neoplastic proliferation of fibrous tissues and cementum-like hard tissues, usually occurring in the periapical regions of teeth. PCD is characterized by the presence of vital pulp and is often accidentally discovered during a general radiographic survey. PCD may arise from the tissue of odontogenic origin or occur as a reactive process in the periapical tissue. Multilocular occurrences in both jaws are rare. However, we encountered a case of multiple PCDs by orthopantomography, which showed different degrees of maturation in the mandible and maxilla by osteodensitometric detection via cone-beam computed tomography (CB-CT) validated by Tc-99m bone-scintigraphy (BS). Biopsies confirmed the radiological results. CB-CT osteodensitometry allows for the categorization and assessment of different stages of PCD maturation from beginning to florid, detection of remittent osseous changes, and evaluation in the clinical follow-up. When using the local cortical bone as a reference value of 100%, periapical dysplasias show density values of 75% in the mandible and 80% in the maxilla. Early classification of PCD is possible with CB-CT osteodensitometry.

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