Friday Pop Quiz 11/12/2025
A 40-year-old female presents for a scalp biopsy. On histology, you note premature desquamation of the inner root sheath, eccentric epithelial atrophy with hair shafts in close proximity to the dermis, and concentric lamellar fibroplasia of some follicles. There is variably dense lymphocytic perifollicular inflammation, primarily at the level of the upper isthmus and lower infundibulum. There …
A 40-year-old female presents for a scalp biopsy. On histology, you note premature desquamation of the inner root sheath, eccentric epithelial atrophy with hair shafts in close proximity to the dermis, and concentric lamellar fibroplasia of some follicles. There is variably dense lymphocytic perifollicular inflammation, primarily at the level of the upper isthmus and lower infundibulum. There …