A 36-yrs-old woman presents with increased trouble swallowing. Physical examination finds hypeension and sclerodactyly. Lab tests find Anti- Scl- 70. Which of the following biopsies is most characteristic of this disorder?
A
A conjunctival biopsy that reveals noncaseating granulomas
B
A peripheral nerve biopsy that reveals rare acid- fast bacteria
C
A skin biopsy that reveals dermal fibrosis with an absence of adnexal structures
D
A subcutaneous fat biopsy that reveals an infiltrate of plasma cells and eosinophils