A 70-Year-Old Woman Comes to the Physician for the Evaluation

A 70-year-old woman comes to the physician for the evaluation of back pain. For the past six days, she has had a burning pain in her upper right back and chest. She cannot recall any recent injury and has no prior history of back pain. She has a history of hypertension and gastroesophageal reflux. The patient volunteers at an animal shelter three times a week. She does not smoke or drink alcohol. Current medications include ramipril and pantoprazole. The patient appears healthy and well-nourished. Her temperature is 36.9°C (98.4°F) , pulse is 76/min, and blood pressure is 145/92 mm Hg. Examination shows a long erythematous rash covered with multiple clear vesicles and crusty lesions extending from her back to below her right breast. This patient is at greatest risk of developing which of the following complications as a result of her current condition?

A) Dissemination of rash to other body areas
B) Painful swelling of the large joints
C) Persistent pain in the affected region
D) Recurrent episodes of gross hematuria
E) Sensory loss in "glove and stocking" pattern