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Living with Familial multiple trichoepitheliomata

An inherited skin condition with many smooth, round hair-follicle growths, mostly on the face, starting in childhood or the teen years.

Understanding Familial multiple trichoepitheliomata

Familial multiple trichoepitheliomata is an inherited condition with many skin tumors that grow from hair follicles and other skin structures.

The tumors are usually noncancerous but occasionally become a skin cancer called basal cell carcinoma. They usually begin in childhood or adolescence, mostly on the face, and can grow larger and more numerous over time. In severe cases they may get in the way of the eyes, ears, nose, or mouth. Females are often more severely affected than males.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Small, smooth, round bumps (papules)
  • Firm lumps under the skin
  • Tiny visible blood vessels (telangiectasia)
  • Growths mostly on the face and nose folds
  • Growths on the neck, scalp, or trunk
  • Sometimes basal cell carcinoma

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include cancer specialists, genetic specialists and skin, hair, and nail specialists.

  3. Consider genetic testing

    Changes in CYLD are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Cancer specialists (oncologists); Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Children's Skin Disease Foundation
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Should I have genetic testing for the CYLD gene?
Which growths need checking for skin cancer?
What options are there if growths affect my vision or hearing?

Quick facts

Symptoms usually startChild
InheritanceAutosomal Dominant
GenesCYLD

Changes in the CYLD gene cause it. It is autosomal dominant, which means one changed copy of the gene is enough.

GeneticSkin

Also known as: epithelioma adenoides cysticum of brooke; familial multiple trichoepithelioma

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Familial multiple trichoepitheliomataGARD ID 10867 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Familial multiple trichoepitheliomata.

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