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A Case of Pentastomiasis at the Left Maxilla Bone in a Patient with Thyroid Cancer

 Eunae Sandra Cho  ;  Seung Wook Jung  ;  Hwi-Dong Jung  ;  In Yong Lee  ;  Tai-Soon Yong  ;  Su Jin Jeong  ;  Hyun Sil Kim 
 KOREAN JOURNAL OF PARASITOLOGY, Vol.55(4) : 433-437, 2017 
Journal Title
Issue Date
Animals ; Antineoplastic Agents/adverse effects ; Bisphosphonate-Associated Osteonecrosis of the Jaw/diagnostic imaging ; Bisphosphonate-Associated Osteonecrosis of the Jaw/etiology ; Bisphosphonate-Associated Osteonecrosis of the Jaw/parasitology* ; Bisphosphonate-Associated Osteonecrosis of the Jaw/pathology ; Humans ; Male ; Maxilla/diagnostic imaging ; Maxilla/parasitology* ; Maxilla/pathology ; Maxillary Diseases/diagnostic imaging ; Maxillary Diseases/parasitology* ; Maxillary Diseases/pathology ; Middle Aged ; Parasitic Diseases/diagnostic imaging ; Parasitic Diseases/parasitology* ; Parasitic Diseases/pathology ; Pentastomida* ; Thyroid Neoplasms/complications*
Pentastomiasis, a zoonotic parasite infection, is typically found in the respiratory tract and viscera of the host, including humans. Here, we report for the first time an extremely rare case of intraosseous pentastomiasis in the human maxilla suffering from medication related osteonecrosis of the jaw (MRONJ). A 55-year-old male had continuously visited the hospital for MRONJ which had primarily developed after bisphosphonate and anti-neoplastic administration for previous bone metastasis of medullary thyroid cancer. Pain, bone exposure, and pus discharge in the right mandible and left maxilla were seen. Osteolysis with maxillary cortical bone perforation at the left buccal vestibule, palate, nasal cavity, and maxillary sinus was observed by radiologic images. A biopsy was done at the left maxilla and through pathological evaluation, a parasite with features of pentastome was revealed within the necrotic bone tissue. Further history taking and laboratory evaluation was done. The parasite was suspected to be infected through maxillary open wounds caused by MRONJ. Awareness of intraosseous pentastomiasis should be emphasized not to be missed behind the MRONJ. Proper evaluation and interpretation for past medical history may lead to correct differential diagnosis and therapeutic intervention for parasite infections.
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1. College of Medicine (의과대학) > Dept. of Environmental Medical Biology (환경의생물학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral Pathology (구강병리학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyun Sil(김현실) ORCID logo https://orcid.org/0000-0003-3614-1764
Yong, Tai Soon(용태순) ORCID logo https://orcid.org/0000-0002-3445-0769
Lee, In Yong(이인용)
Jeong, Su Jin(정수진) ORCID logo https://orcid.org/0000-0003-4025-4542
Jung, Hwi Dong(정휘동) ORCID logo https://orcid.org/0000-0003-1025-8323
Cho, Eunae(조은애산드라) ORCID logo https://orcid.org/0000-0002-0820-3019
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