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Living with Virus-associated trichodysplasia spinulosa

A rare skin infection caused by a virus, with small bumps and tiny spikes mostly on the face, in people with weakened immunity.

Understanding Virus-associated trichodysplasia spinulosa

Virus-associated trichodysplasia spinulosa is a rare skin infection caused by a polyomavirus.

It causes small bumps (follicular papules) with tiny keratin spikes, mostly on the face, such as the nose, eyebrows, and ears. GARD says it occurs in people with weakened immune systems. It can begin at any time in life.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Its summary describes these:

  • Small skin bumps (follicular papules)
  • Tiny spikes of keratin on the bumps
  • Bumps mainly on the face

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 skin, hair, and nail specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
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
How is this skin condition confirmed?
How does my immune system affect this condition?
Which specialists should manage my skin care?

Quick facts

Symptoms usually startany time in life

GARD says it is due to polyomavirus infection in people with weakened immune systems.

InfectiousSkin

Also known as: cyclosporine-induced folliculodystrophy; pilomatrix dysplasia; trichodysplasia spinulosa; ts; vats

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Virus-associated trichodysplasia spinulosaGARD ID 20592 · 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 Virus-associated trichodysplasia spinulosa.

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  • Recruiting studies from ClinicalTrials.gov
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  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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