Limited Cutaneous Form of Systemic Sclerosis
A 51-year-old post-menopausal African American female presents to the clinic complaining of excessive pitting of her fingertips, which affects her daily life as a piano player. Her past medical history includes burning chest pain and dysphasia. Her vital signs are normal. On physical examination, the patient has skin thickening on her face and hands, facial telangiectasia and hardening and tapering of her fingertips. Serologic studies are positive for antinuclear antibodies in a centromere pattern. She does not use tobacco, drink alcohol, or use illicit drugs. She is a mother of two healthy children and her family history is unremarkable.
Which of the following is most likely to also be found in this patient?