A 40-year-old woman has recurrent pain and swelling in the floor of the mouth during meals. Imaging shows a salivary stone within the submandibular duct, and the surgeon warns her about possible postoperative loss of general sensation from the anterior tongue. Which of the following nerves is most closely related to this duct and most at risk during the procedure?
- A)Chorda tympani
- B)Glossopharyngeal nerve
- C)Hypoglossal nerve
- D)Lingual nerveGABARITO
- E)Marginal mandibular branch of facial nerve
Explicação
The lingual nerve loops under and then ascends medial to the submandibular duct in the floor of the mouth. Because of this close relationship, duct procedures can damage general sensory fibers from the anterior two thirds of the tongue. Ver explicação completa e trilha adaptativa →