Odontogenic Keratocyst Looks Can Be Deceptive, Causing Endodontic Misdiagnosis

Veena, KM; Rao, Rekha; Jagadishchandra, H; Rao, Prasanna Kumar

doi:10.1155/2011/159501

Cited by 23 publications

(20 citation statements)

References 4 publications

(11 reference statements)

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“…KCOT has been shown to have a bimodal age distribution with first peak in the second and third decades and the second peak in the fifth decade or later. It is said that the lesions in the second peak are more common in maxilla 1 4. But the present case does not follow this conventional norm regarding age and area specificity of the cyst.…”

Section: Discussioncontrasting

confidence: 67%

Keratocystic odontogenic tumour (KCOT) misdiagnosed as a dentigerous cyst

Chaudhary¹,

Sinha

Barua

et al. 2013

BMJ Case Reports

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SUMMARYKeratocystic odontogenic tumours are known for their peculiar behaviour, varied origin, debated development, unique tendency to recur and disputed treatment modalities. Thus, it has been the subject of much research over the last 40 years. It was formerly known as odontogenic keratocyst (OKC). OKC received its new title as keratocystic odontogenic tumour (KCOT) by the WHO (2005) in order to suggest its aggressive and recurrent nature. KCOT is a benign intraosseous neoplasm of the jaw. Involvement of the maxillary sinus is an unusual presentation. We present the case of an 11-year-old child with extensive KCOT and an impacted canine in the right maxillary sinus. The cyst was initially misdiagnosed to be a dentigerous cyst based on the clinical and radiographic features though a differential diagnosis of KCOT and adenomatoid odontogenic tumour was made. The histological examination of the specimen finally confirmed it to be a KCOT. The clinical, radiological and histological features of this tumour along with its surgical management have been discussed. BACKGROUND

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Section: Discussioncontrasting

confidence: 67%

Keratocystic odontogenic tumour (KCOT) misdiagnosed as a dentigerous cyst

Chaudhary¹,

Sinha

Barua

et al. 2013

BMJ Case Reports

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“…Even though the majority of the reported cases showed predilection to mandibular posterior region [2,4], the present case showed anterior mandiblular predilection which is an unusual location of Keratocystic odontogenic tumor.This was in accordance with other studies which described odontogenic keratocystic lesion in the anterior mandibular segment [7,8].…”

Section: Discussionsupporting

confidence: 94%

Primary Intraosseous Carcinoma Arising on Top of Recurrent Kerato-Cystic Odontogenic Tumor in a Young Male Patient

Mohsen¹,

Elnouaem²,

Mahmoud³

2017

Madridge J Dent Oral Surg

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Introduction: Primary intraosseous squamous cell carcinoma (PIOSCC) is carcinoma that occurs within jaw bones exclusively and is considered a rare condition.The exact percentage of malignant transformation in the wall of odontogenic cysts is yet unknown, It varies between 0.01% and 0.02%. Although the process of changing into malignancy is not fully understood, long standing chronic inflammation was reported to be an initiating factor for this transformation.Case Report: We hereby report a case of recurrent odontogenic keratocyst, (OKC) related to the anterior mandibular region. Panoramic radiograph revealed a large radiolucent area which is partially ill defined in some parts. Histological examination of biopsy revealed malignant transformation with dysplastic changes seen in the epithelial lining and areas of frank invasion. Diagnosis of squamous cell carcinoma on top of odontogenic keratocyst was given. Conclusion:The diagnosis of primary intra osseus carcinoma was given depending on the histological pictures which showed prominent dysplastic changes in the epithelial lining of the cyst together with areas of invasion into the adjacent connective tissue capsule. it was of poor outcome.

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“…During our search it became very conspicuous to us that most of the literature is either case reports or case series or miscellaneous studies. This reflects the dearth of information concerning the behavior and management of odontogenic keratocyst.The odontogenic keratocyst (OKC) is regarded as an aggressive lesion due to its characteristic high tendency to recur ,and to invade adjacent tissues [ 15 - 18 ]. In 1967, Toller suggested that the OKC should be classified as a benign tumor rather than a cyst based on its characteristic clinical features [ 19 ].…”

Section: Discussionmentioning

confidence: 99%

Odontogenic Keratocyst in Children: A Review

Kamil¹,

Tarakji

2016

TODENTJ

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Objective:Is to highlight the characteristics and management of odontogenic keratocyst in children onlyMaterial and Method:Computerized search in pubmed between (2005-2015) using specific words such as odontogenic keratocyst in children, odontogenic keratocyst association with Gorlin-Goltz syndrome with abstract written in English only.Result:During computerized literature search 77 articles in the years (2005-2015) were found. All these publications were miscellaneous studies including case series and case reports. Only 35 papers were selected which conform to our criteria. Most of the papers indicate that the histological type of keratocyst prevalent in children was parakeratinized variant, and most of the cases occurred in maxilla rather than mandible.Conclusion:We recommend that the surgeons who treat keratocysts in children take into consideration the late presentation in addition to the destructive nature and high recurrence rate. General practitioners face difficulty in early detection and referral of children with keratocysts or Gorlin syndrome. Treatment by multidiscplinary team is important if associated with Gorlin's syndrome Postoperative follow up is advised every 6 months.

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Odontogenic Keratocyst Looks Can Be Deceptive, Causing Endodontic Misdiagnosis

Cited by 23 publications

References 4 publications

Keratocystic odontogenic tumour (KCOT) misdiagnosed as a dentigerous cyst

Keratocystic odontogenic tumour (KCOT) misdiagnosed as a dentigerous cyst

Primary Intraosseous Carcinoma Arising on Top of Recurrent Kerato-Cystic Odontogenic Tumor in a Young Male Patient

Odontogenic Keratocyst in Children: A Review

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