Abstract
IntroductionInflammatory collateral cysts are uncommon cysts primarily affecting first permanent molars during their eruption. There are diagnostic challenges that can be overcome with CBCT imaging. However, given the paediatric age group for this condition, there are patient cooperation and radiation dose factors to consider when justifying the scan. The aim of this case series study is to illustrate the value of CBCT in imaging and diagnosing inflammatory collateral cysts in paediatric patients, to highlight the need for a multidisciplinary approach for this uncommon pathological condition and to review the relevant literature.Case series description and resultsWe present three patients aged between 6 and 11 years of age with inflammatory collateral cysts affecting their first or second permanent molars for which CBCT imaging was utilised. All patients underwent cyst enucleation with preservation or extraction of affected teeth under general anaesthesia.DiscussionInflammatory collateral cysts are likely to be under reported given their indistinct clinical features and radiological signs. Conventional planar radiographs may not reveal this lesions size and full extent. CBCT overcomes these limitations; however, careful assessment of patient cooperation is needed and a low-dose protocol should be used.ConclusionsCBCT can provide useful imaging information which is difficult to obtain using conventional radiography, especially in cases where an inflammatory collateral cyst is suspected.
Highlights
Inflammatory collateral cysts are uncommon cysts primarily affecting first permanent molars during their eruption
As the inflammatory collateral cyst is commonly situated on the buccal surface, conventional dental radiography will result in a radiolucency superimposed over the roots of the affected tooth with a lamina dura of normal appearance (Philipsen et al 2004)
6-month clinical and radiographic swelling associated with her buccal expansion and the LR6 eral anaesthetic and enucleation inflammatory odontogenic cyst follow-up showed complete
Summary
Inflammatory collateral cysts are uncommon cysts primarily affecting first permanent molars during their eruption. The inflammatory collateral cyst is recognised in the World Health Organisation classification of head and neck tumours as primarily affecting mandibular permanent molars during their eruption (Carlson 2007; Friedrich et al 2014; Thikkurissy et al 2010). It is uncommon with a reported 1.6–4.5% population prevalence on third molars and 3–5%. Radiation exposure and the diagnostic value of further imaging need careful consideration
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