A 59-year-old man visits the office to have a facial skin lesion evaluated. The lesion is a mole-like area on the patient's face that has gradually expanded over several months. He claims there is no discomfort or bleeding from the lesion. There is a family history of skin cancer. The presentation depicts the results of the physical examination. Biopsy of the lesion with a local nerve block for anesthesia is planned. Which of the following injection sites is most likely to provide adequate anesthesia for the procedure?

Question

A 59-year-old man visits the office to have a facial skin lesion evaluated. The lesion is a mole-like area on the patient's face that has gradually expanded over several months. He claims there is no discomfort or bleeding from the lesion. There is a family history of skin cancer. The presentation depicts the results of the physical examination.  Biopsy of the lesion with a local nerve block for anesthesia is planned.  Which of the following injection sites is most likely to provide adequate anesthesia for the procedure?

Quizplus · Accepted Answer

Eductional Objective: The maxillary division of the trigeminal nerve (CN V2) innervates the cheek with sensory information. It enters the maxilla by the foramen rotundum, then the pterygopalatine fossa, and finally the infraorbital foramen. The infraorbital foramen is routinely used for nerve blocks to induce anesthetic to the cheek.

A 59-Year-Old Man Visits the Office to Have a Facial