29 June 2025
: Case report 
Differential Diagnosis and a Novel Mutation in Birt-Hogg-Dubé Syndrome: Insights from 2 Cases
Challenging differential diagnosis, Unusual setting of medical care, Rare disease
Lingfang Tu ACE 1, Yuan Ye BEG 1, Jianya Zhou CF 1, Zhijie Pan AD 1*DOI: 10.12659/AJCR.947530
Am J Case Rep 2025; 26:e947530
Figure 2 Skin lesions on the face of a 57-year-old Chinese woman were pathologically diagnosed as fibrofolliculomasThe epidermis is normal, and hyperplasia of fibrous connective tissue is visible in the dermis (A, B). (H&E staining, magnification ×40 in A, magnification ×100 in B).