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Updated: Dec 25, 2025
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Postoperative maxillary cyst.
Pooja Siwach1, Tabita Joy2, Shuddhodhan Gaikwad3
1Department of Dentistry, Government Medical College and General Hospital, Dhule, Maharashtra, India.
Summary
Postoperative maxillary cysts (PMC) are rare oral cavity cysts, often presenting as palatal swelling. This case highlights a rare occurrence in a patient with a history of sinus surgery.
Area of Science:
- Oral pathology
- Head and neck surgery
- Histopathology
Background:
- Cysts of the oral cavity are common biopsy specimens.
- Shear's classification includes mucocoele, retention cyst, pseudocyst, and postoperative maxillary cyst (PMC).
- Postoperative maxillary cysts (PMC), also known as surgical ciliated cysts, are rare globally but constitute 20% of oral cysts in Japan.
Observation:
- A 65-year-old female presented with palatal swelling.
- The patient had a history of maxillary sinus surgery 30 years prior.
- This presentation suggests a rare case of PMC.
Findings:
- The case involves a rare postoperative maxillary cyst (PMC).
- The cyst presented as a palatal swelling.
- A long latency period of 30 years post-surgery was noted.
Implications:
- This case underscores the importance of considering PMC in patients with a history of maxillary sinus surgery.
- It highlights the geographical rarity of PMC outside of Japan.
- Further research may elucidate the pathogenesis and long-term behavior of these cysts.
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