Mucocele

A mucocele is a distension of a hollow organ or cavity because of mucus buildup.

By location

Oral
Main article: Oral mucocele

Oral mucocele is the most common benign lesion of the salivary glands generally conceded to be of traumatic origin. It is characterized by the pooling of mucus in a cavity due to the rupture of salivary ducts or acini. It can occur in the lower lip, palate, cheeks, tongue and the floor of the mouth.

Appendix

Appendiceal mucocele is found in 0.3 to 0.7% of the appendectomies.[1] It is characterized by the dilation of the organ lumen with mucus accumulation.[1] Appendix mucocele may come as a consequence of obstructive or inflammatory processes, cystadenomas or cystadenocarcinomas. Its Main complication is pseudomyxoma peritonei.[1]

  • Gross pathology of mucocele of the appendix
  • Pie chart of histological types of mucocele of the appendix, with relative incidences

Other
  • Mucocele of the petrous apex
  • Mucocele of the paranasal sinuses
  • Gallbladder mucocele

Diagnosis

Superficial mucoceles can often be diagnosed by appearance and consistency alone. Sometimes, it is indicated to perform diagnostic imaging and/or needle biopsy.

On a CT scan, a mucocele is fairly homogenous, with an attenuation of about 10-18 Hounsfield units.[2]

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See also
  • Mucous retention cyst

References
  1. B.B., Sunil Kumar; Jasuja, Pranav (2019). "Appendiceal mucocele—A rare case report". International Journal of Surgery Case Reports. 58: 21–25. doi:10.1016/j.ijscr.2019.04.008. ISSN 2210-2612.
    - Creative Commons Attribution 4.0 International license
  2. page 152 in: Luca Saba and Jasjit S. Suri (2013). Multi-Detector CT Imaging: Principles, Head, Neck, and Vascular Systems. CRC Press. ISBN 9781439893845.


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