title: Pathologic quiz case: an 84-year-old woman with a skin cyst containing Ziehl-Neelsen-positive structures. Basal cell carcinoma associated with a vellus hair cyst.
authors.affiliation: Department of Pathology, University of South Alabama, Mobile, USA.
authors.forename: Allison M
authors.initials: AM
authors.lastname: Law
authors.forename: Beth M
authors.initials: BM
authors.lastname: Rutland
authors.forename: Marcelo G
authors.initials: MG
authors.lastname: Horenstein
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002280:Basal Cell Carcinoma / Q000175:diagnosis*; D004814:Epidermal Cyst / Q000175:diagnosis*; D005260:Female; D005497:Follicular Cyst / Q000175:diagnosis*; D006201:Hair Diseases / Q000175:diagnosis*; D006801:Humans; D012878:Skin Neoplasms / Q000175:diagnosis*; D013194:Staining and Labeling / Q000379:methods