Keratosis Follicularis Spinulosa Decalvans, also known as keratosis follicularis spinulosa decalvans, autosomal dominant, is related to keratosis follicularis spinulosa decalvans, x-linked and keratosis, and has symptoms including photophobia An important gene associated with Keratosis Follicularis Spinulosa Decalvans is MBTPS2 (Membrane Bound Transcription Factor Peptidase, Site 2), and among its related pathways/superpathways are Metabolism and Regulation of expression of SLITs and ROBOs. Affiliated tissues include skin and bone.