Imaging Sci Dent.  2014 Mar;44(1):75-79. 10.5624/isd.2014.44.1.75.

Glandular odontogenic cyst: A case report

• Tambawala
• Karjodkar
• Yadav A
• Sansare K
• Sontakke S

• KMID: 1974477
• DOI: http://doi.org/10.5624/isd.2014.44.1.75

Abstract

Glandular odontogenic cysts (GOCs) are rare intrabony solitary or multiloculated cysts of odontogenic origin. The importance of GOCs lies in the fact that they exhibit a propensity for recurrence similar to keratocystic odontogenic tumors and that they may be confused microscopically with central mucoepidermoid carcinoma. Thus, the oral and maxillofacial radiologists play an important role in definitive diagnosis of GOC based on distinctive cases; though they are rare. In large part, this is due to the GOC's complex and frequently non-specific histopathology. This report describes a case of GOC occurrence in the posterior mandibular ramus region in a 17-year-old female, which is a rare combination of site, age, and gender for occurrence.

Keyword

Odontogenic Cysts; Panoramic Radiography; Cone-Beam Computed Tomography

MeSH Terms

Adolescent
Carcinoma, Mucoepidermoid
Cone-Beam Computed Tomography
Diagnosis
Female
Humans
Odontogenic Cysts*
Odontogenic Tumors
Radiography, Panoramic
Recurrence

Figure

• 

  Fig. 1 A panoramic radiograph shows a well-defined multiloculated radiolucent lesion extending from the distal border and apex of lower right second molar into the ramus till approximately 3 mm away from the sigmoid notch enclosing the developing tooth bud of right lower third molar.

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  Fig. 2 A. An axial CBCT image shows multiple curved bony septae (black arrows). B. A sagittal CBCT image shows scalloped borders of the cystic lesion (black arrows). C. A reconstructed panoramic CBCT image shows a well-defined radiolucent lesion in the right mandibular ramal region extending from the right lower second molar to the upper third of the ramus with resorption of the apex of the second molar (black arrow) and with well-defined sharp right angle septa (black arrow head). D. A coronal CBCT image shows perforation of the right lingual cortical plate (black arrow head) and thinning of the right buccal cortical plate (white arrow head).

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  Fig. 3 Histopathologic examination shows cystic lumen lined by pseudo-stratified columnar epithelium with filiform extensions of the cytoplasm and mucous-secreting cells with intra-epithelial spherule formation, characteristic of glandular odontogenic cyst (H&E stain, 400×).

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  Fig. 4 A panoramic radiograph shows healing of the surgical defect by new bone formation 3 months post-surgery (white arrow heads).

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