Keratocystic odontogenic tumor of the maxilla-a serious entity often misdiagnosed: A report of two cases resembling dentigerous cysts

TK Rama Murthy; BH Satheesha Reddy; Harish Kumar; Charis Chandy Joseph

doi:10.5005/jp-journals-10011-1184

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Year : 2011 | Volume : 23 | Issue : 5 | Page : 412-415

Keratocystic odontogenic tumor of the maxilla-a serious entity often misdiagnosed: A report of two cases resembling dentigerous cysts

TK Rama Murthy¹, BH Satheesha Reddy², Harish Kumar³, Charis Chandy Joseph⁴
¹ Professor, Department of Oral Medicine and Radiology, AECS Maaruti College of Dental Sciences and Research Centre Bengaluru, Karnataka, India
² Professor and Head, Department of Oral Medicine and Radiology, AECS Maaruti College of Dental Sciences and Research Centre, Bengaluru, Karnataka, India
³ Reader, Department of Oral Medicine and Maxillofacial Surgery, AECS Maaruti College of Dental Sciences and Research Centre, Bengaluru, Karnataka, India
⁴ Postgraduate Student, Department of Oral Medicine and Radiology, AECS Maaruti College of Dental Sciences and Research Centre, Bengaluru, Karnataka, India

Correspondence Address:
Charis Chandy Joseph
Postgraduate Student, Department of Oral Medicine and Radiology, AECS Maaruti College of Dental Sciences and Research Centre, No 108, BTM 6th Stage, 1st Phase, Hulimavu Tank Band Road, Off Bannerghatta Road, Bengaluru-76, Karnataka
India

Source of Support: None, Conflict of Interest: None

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DOI: 10.5005/jp-journals-10011-1184

The most common maxillary location for a keratocystic odontogenic tumor (KCOT) is the canine region where they commonly are mistaken for an inflammatory radicular cyst or dentigerous cyst or a lateral periodontal cyst or even a nasopalatine cyst. This misdiagnosis occurs mainly because of the appearance of KCOT as a unilocular radiolucency in the maxilla, particularly if the KCOT is found coincidentally with a nonvital tooth. Additionally, the cyst is frequently infected producing pus that obscures the typical white cheesy material. A misdiagnosis based solely on clinical information can lead to the possibility of the patient being treated with a conservative endodontic therapy or even conservative surgical techniques thereby greatly increasing the chances of progression or recurrence of this aggressive lesion. Here, we report two such cases diagnosed and treated aggressively.

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