Keratosis follicularis spinulosa decalvans

Keratosis follicularis spinulosa decalvans is a rare X-linked disorder described by Siemens in 1926. It is a disease that begins in infancy with keratosis pilaris localized on the face, then evolves to more diffuse involvement.^{[1]: 580, 762 [2]: 649, 714 [3]}

Keratosis follicularis spinulosa decalvans
Other names	Siemens-1 syndrome
Specialty	Medical genetics

An association with SAT1 has been suggested.^[4]

See also

• Keratosis follicularis
• Hermann Werner Siemens
• Cicatricial alopecia
• List of cutaneous conditions