Decompression Fails to Achieve Clinically Meaningful Volumetric Reduction in Glandular Odontogenic Cysts

Area of Science:

• Oral and Maxillofacial Surgery
• Craniofacial Biology
• Dental Pathology

Background:

• Glandular odontogenic cysts (GOCs) are uncommon and aggressive jaw lesions.
• The efficacy of decompression in reducing GOC volume remains under-investigated.

Purpose of the Study:

• To quantitatively assess the volumetric changes in GOCs following decompression.
• To evaluate the rate of volume reduction over time in GOCs treated with decompression.

Main Methods:

• A retrospective case series of GOC patients diagnosed between 2012 and 2020.
• Volumetric analysis using CT scans at baseline, 3 months, and end of decompression.
• Calculation of absolute and percentage volume reduction, and monthly reduction rates.

Main Results:

• Five GOC cases (mean age 26.8 years) demonstrated a mean volume reduction of only 3.4% (8.6 cc³).
• Volumes decreased slightly from baseline (252.4 cc³) to 243.8 cc³ at the end of decompression.
• Monthly reduction rates were minimal, ranging from 0.2% to 1.1%.

Conclusions:

• GOCs exhibit limited and inconsistent volumetric response to decompression.
• Prolonging decompression therapy does not substantially enhance lesion shrinkage.
• Decompression appears to have a limited therapeutic effect on GOCs.