J Korean Assoc Oral Maxillofac Surg.  2020 Feb;46(1):66-69. 10.5125/jkaoms.2020.46.1.66.

Primary hydatid cyst of the pterygomandibular region: an unusual cyst, location and case report

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, Amala Institute of Medical Sciences, Thrissur, India.
  • 2Department of Oral and Maxillofacial Surgery, Kannur Dental College, Anjarakandy, Kannur, India. arjungopinathk@gmail.com

Abstract

Hydatid disease is a zoonotic infection in humans. The disease is endemic in some parts of the world, including Africa, Australia, and Asia, where cattle grazing is common; the disease is spread by an enteric route following the consumption of food contaminated with the eggs of the parasite. Failure to identify this parasite results in delayed diagnosis and increased morbidity to the patient. Upon diagnosis, every possible step should be taken, both surgical and medical, to prevent anaphylactic reactions from the cystic fluid. Postsurgical long-term follow up along with periodical ultrasonography of the liver and computed tomography scan of the abdomen is essential to rule out possible recurrence.

Keyword

Zoonotic infection; Hydatid disease; Pterygomandibular cyst

MeSH Terms

Abdomen
Africa
Anaphylaxis
Animals
Asia
Australia
Cattle
Delayed Diagnosis
Diagnosis
Echinococcosis*
Eggs
Follow-Up Studies
Humans
Liver
Ovum
Parasites
Recurrence
Ultrasonography
Zoonoses

Figure

  • Fig. 1 Intraoral view of the lesion.

  • Fig. 2 Computed tomographic view. A. Coronal view of the lesion. B. Axial view of the lesion.

  • Fig. 3 Scolices as seen during the fine needle aspiration cytology examination.

  • Fig. 4 In-toto enucleated cyst.


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