Cylindromatosis

Cylindromatosis is a rare, benign skin condition characterized by the development of multiple, slow-growing tumors called cylindromas. These tumors are typically smooth, dome-shaped, and flesh-colored or reddish-blue. They most commonly appear on the scalp, face, and neck, but can also occur on the trunk and limbs. While cylindromas are benign and do not metastasize, they can become numerous and disfiguring, leading to significant cosmetic concerns for affected individuals.

The condition is primarily caused by mutations in the CYLD gene, which plays a role in cell growth and tumor suppression. Cylindromatosis can be inherited in an autosomal dominant pattern, meaning an affected individual has a 50% chance of passing the condition to their offspring. However, spontaneous mutations can also occur. In some cases, cylindromatosis may be associated with an increased risk of developing malignant tumors, particularly in the salivary glands or sweat glands, although this is uncommon.

Diagnosis is usually made based on the characteristic clinical appearance of the tumors and confirmed with a skin biopsy. Treatment options are primarily aimed at cosmetic improvement and managing symptoms. Surgical excision is the most common method for removing individual cylindromas. For widespread involvement, options may include laser therapy, electrodessication, or cryotherapy. Due to the potential for recurrence and the development of new lesions, ongoing monitoring by a dermatologist is often recommended.