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Updated: Aug 14, 2026

Porphyromonas gingivalis as a Model Organism for Assessing Interaction of Anaerobic Bacteria with Host Cells
Published on: December 17, 2015
[Human infection with Gongylonema pulchrum]
T Urch1, B C Albrecht, D W Büttner
1Praxis für Allgemeinmedizin, Wilster.
History:
A 27-year-old woman repeatedly attended an outpatient clinic and reported sensations of movement within the buccal mucosa. Various local inspections were without any obvious abnormal findings. A few days later the patient brought a filiform structure, which she had extracted from the affected mucosa by manipulation with her toothbrush.
Investigation:
Microscopy indicated a gravid female nematode of the genus Gonglyonema.
Diagnosis:
Gonglyonem pulchrum infection.
Treatment And Course:
Careful inspection revealed a second worm at the other side of the oral cavity, which was extracted by local incision. After removal of the second worm the patient remained free of symptoms without any further therapy.
Conclusion:
Even obviously very unusual symptoms, which might be indicative of a dermatozoic delusion, should be carefully clarified. In some cases it may be appropriate to consult a specialized institutions or laboratory to rule out a possible parasitic infections.
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