Pindborg tumour: A case report

The calcifying epithelial odontogenic tumor (CEOT) is a benign epithelial odontogenic lesion that accounts for less than 1% of all odontogenic tumors. CEOT is usually asymptomatic and an incidental radiological finding, often presenting as a mandibular radiolucency with flecks of calcified material. We report a case of CEOT in the right posterior maxilla of a 24-year-old female that was associated with an ectopic unerupted tooth. The tumour in this case caused mild pain and appeared radiographically similar to an odontoma or Ameloblastic fibro-odontome, due to its dense calcified contents. Diagnosis was confirmed through histopathology. This case report highlights the unusual clinical and radiographic appearence of Pindborg tumor.

Pindborg tumour: A case report

The calcifying epithelial odontogenic tumor (CEOT) is a benign epithelial odontogenic lesion that accounts for less than 1% of all odontogenic tumors. CEOT is usually asymptomatic and an incidental radiological finding, often presenting as a mandibular radiolucency with flecks of calcified material. We report a case of CEOT in the right posterior maxilla of a 24-year-old female that was associated with an ectopic unerupted tooth. The tumour in this case caused mild pain and appeared radiographically similar to an odontoma or Ameloblastic fibro-odontome, due to its dense calcified contents. Diagnosis was confirmed through histopathology. This case report highlights the unusual clinical and radiographic appearence of Pindborg tumor.

Detection of Radiolucid Lesions in Digital Panoramic Radiographs

This study evaluated the presence of radiolucid lesions in digital panoramic radiographs from the archives of the State University of Paraiba (UEPB) Diagnostic Imaging Clinic, performed in 2017. After surveying the radiographs performed by the service in that year, those with radiolucent lesions were selected, being excluded those with poor quality and with patient positioning errors. By means of a structured form, the characteristics observed in the radiographs were recorded by a single trained and calibrated observer. The analysis took place through descriptive statistics and all ethical aspects were respected. There was a low prevalence (14.2%) of radiographs with radiolucent lesions, which mainly affected young female patients. These lesions were small in size, located predominantly in the posterior periapical region of the mandible, with a unilocular aspect, being associated with a posterior tooth, mainly premolar. Inflammatory lesions were the most prevalent, with a presumptive diagnosis highlighting the predominance of abscesses followed by cysts/granulomas. The dentigerous cyst was the third most prevalent odontogenic lesion, occurring in its entirety in females. Odontogenic keratocysts and Stafne's bone cavity were also detected.

Beware of chicken bones: An uncommon presentation of a foreign body in the palate

This paper describes a case of an intra-osseous foreign body impaction in the hard palate, a chicken bone fragment, in an adult male. The presentation mimicked that of an odontogenic lesion. Though palatal soft tissue foreign bodies in toddlers are well reported, the literature is sparse on cases involving adults. The location of the foreign body, and radiographic presentation, resulted in a diagnostic challenge to the attending clinician. This appears to be the first reported case of an animal bone presenting in this way in an adult. CPD/Clinical Relevance: The case highlights the importance of credible history reporting, 3D imaging and developing accurate differentials in the diagnostic pathway when faced with an atypical clinical presentation.

Evaluation of the Connective Tissue Wall in Sporadic Cases of Keratocystic Odontogenic Tumor (KCOT) Using MMP-9 and Confocal Microscopy: A Retrospective Study

Background: Keratocystic odontogenic tumor (KCOT) is an odontogenic lesion which manifests distinct biological behavior. Predominant studies in KCOT attribute this behavior to high epithelial proliferative capacity. Besides, a few studies facet loosely arranged collagen can contribute to the behavior of KCOT. Matrix metalloproteinases (MMP) are enzymes that degrade extracellular matrix components under both physiologic and pathologic conditions. The loosely arranged collagen in connective tissue wall of KCOT could be related to the degree of MMP-9 expression. Aim: To evaluate the arrangement of collagen fibers along with immunoexpression of MMP-9 and to relate to its neoplastic biologic behavior in sporadic cases of KCOT. Materials and Methods: KCOT ( n = 23) and dentigerous cyst (DC) ( n = 15) samples were processed for the following techniques: Masson’s trichrome stain for light microscopy, PMA-PSR stain for confocal microscopy, and MMP-9 for immunohistochemistry. Results: In Masson’s trichrome analysis, correlation of collagen fiber arrangement in the deeper regions with color intensity for KCOT was found to be statistically significant ( P = .033). In confocal microscopy, there was no difference between intensities in KCOT ( P = .990) and DC ( P = .233), respectively. The immunoexpression of MMP-9 in the connective tissue wall of DC (73.3%) was relatively higher than that of KCOT (60.8%). However, on comparison between KCOT and DC in the presence of inflammation, the immunoexpression of MMP-9 was higher in DC (100%) than KCOT (69.9%) and was statistically significant ( P = .028). Conclusion: It was concluded that the loose connective tissue wall in KCOT is because of the inherent nature of the lesion that could facilitate its biologic behavior. If inflammation is present, this could further aggravate the tumorigenic behavior.

Aggressive Central Giant Cell Granuloma: A Case Report

Central giant cell granuloma (CGCG) is a benign non odontogenic lesion of jaw that may show aggressive behavior. It is classified as aggressive and non-aggressive lesion on the basis of biological behavior and radiographic features. Central giant cell lesion is more frequent in children and young adult before the age of 30 years with female predilection, with characteristic radiological and histopathological features. Here we present a case of a 35 years old female with clinical and radiological diagnosis of central giant cell lesion in posterior mandible confirmed by histopathology. A surgical approach with regular follow up is the treatment of choice in most of the cases. Key Words: Calcitonin, Corticosteroid, Curettage, Enucleation, Giant cell lesion

Temuan Keratocyst Odontogenic Tumor besar pada maksila pada pemeriksaan CBCT

Objectives: The aim of this case report is to describe radiographic characteristic of keratocyst odontogenic tumor (KCOT) in maxilla using CBCT. Case Report: A 20 year-old women patient was referred to the Oral Maxillofacial Radiology Department of Padjadjaran University with the chief complaint of swelling, painless in the anterior of the upper jaw. In this presented case, we used cone beam computed tomography (CBCT) to find out the margin of the cortical extension, and diameter of the lesion. The CBCT examination shows radiolucent, well-defined lesion in 12-14 region with displacement of 12. The size of the lesion is about 20x15x19mm extended posterior-superiorly near to nasal cavity and it shows less degree of bone expansion. Based on radiographic and clinical examination, the diagnosis was keratocyst odontogenic tumor (KCOT). Conclusion: KCOT has some radiographic characteristic distinguishable with another odontogenic lesion. Therefore, CBCT examination is recommended for the diagnosis of odontogenic keratocyst and proper surgical planning.

Ameloblastomatous Calcifying Odontogenic Cyst: Case Report

Calcifying odontogenic cyst (COC) or calcifying cystic odontogenic tumor was first introduced in 1962 by Gorlin et al., as a possible oral counterpart of calcifying epitheliomas of Malherbe in skin. This lesion is a rare odontogenic lesion with variable clinico-histological characteristics. Three different histologic subtypes has been reported for COC. In this study we presented a female patient diagnosed with ameloblastomatous COC a very rare variant of this lesion and challenges regarding microscopic diagnosis and treatment of it is discussed.