Pyogenic Granuloma in Pregnancy

A 27-year-old woman in her second trimester of pregnancy presents with a rapidly enlarging, bright red, pedunculated nodule on her gingival margin that has been bleeding profusely with minimal trauma over the past 4 weeks. Examination reveals a 1.2 cm friable, glistening lesion with a collarette of epidermis at its base. Histopathology confirms lobular capillary hemangioma (pyogenic granuloma). The lesion is causing significant bleeding and functional impairment. Which of the following management approaches marked **A** in the diagram is most appropriate for definitive treatment of this pregnancy-related lesion?