Which radiographic finding and clinical signs characterize a periapical abscess?

• A. Radiographic finding: Radiolucency at apex; clinical signs include localized swelling, tooth tenderness, halitosis, fistula
• B. Radiopaque lesion at crown; signs: hair loss
• C. Radiolucency at crown; signs: coughing
• D. Normal radiographs; signs: diarrhea

Answer: (A)