Tree Man Syndrome (Epidermodysplasia Verruciformis): What
Is It, Symptoms, and Treatment?
In this article, we will examine the details of this topic.
Tree man syndrome, or epidermodysplasia verruciformis, is an extremely rare
condition that causes wart-like growths or scaly plaques on the skin, usually
following an HPV infection. These growths can resemble tree bark. Treatment
options include surgical removal, medication, or regular skincare; however,
lesions may recur after treatment.
What Is Tree Man Syndrome (Epidermodysplasia
Verruciformis)? Tree man syndrome is a rare inherited condition that causes
the development of wart-like growths or brown, scaly plaques on the skin. These
plaques can build up in layers, creating an appearance that resembles tree
bark. It typically manifests following a human papillomavirus (HPV) infection.
This condition is frequently referred to as "tree man
syndrome." However, doctors no longer prefer this term because the disease
affects anyone, not just men. It may also be called "man-person
disease." The medical term for this condition is epidermodysplasia
verruciformis (EV). Tree man syndrome is extremely rare, with slightly over 500
cases reported in medical literature worldwide.
What Are the Types of Tree Man Syndrome? There are
two types based on the underlying cause:
- Hereditary
(Genetic): This type is inherited among biological family members.
- Acquired
(Non-Genetic): This type develops as a result of a weakened immune
system.
What Does Tree Man Syndrome Look Like? Signs and
symptoms of tree man syndrome include:
- Small,
flat bumps resembling warts (ranging in color from brown to red).
- Areas
of dry, hard, and scaly skin.
- Overlapping
or clustered bumps (lesions) resembling tree bark.
- Areas
of skin discoloration (lighter or darker than the natural skin tone).
- Pain
caused by growths extending beneath the skin surface and pressing on
nearby nerves.
Which Areas of the Body Are Affected? Symptoms can
affect any part of the body covered by skin, but most commonly involve:
- Arms
- Face
- Feet
- Hands
- Legs
- Neck
- Trunk
The condition most frequently affects skin areas exposed to
intense sunlight.
What Causes Tree Man Syndrome? Tree man syndrome
occurs when the body is unable to control specific types of human
papillomavirus (HPV). These HPV types (primarily HPV 5, HPV 8, and related
strains) differ from those that cause common warts or genital warts. Most
people's immune systems can easily control these viruses; however, in this
disease, the skin's defense mechanisms do not function properly, allowing the
virus to replicate and form wart-like plaques.
Some individuals are born with a genetic alteration that
causes this condition. This change is inherited within families when both
biological parents carry the same gene variant. In other individuals, the
disease develops later in life due to a weakened immune system. This can occur
in conditions such as HIV, or following organ transplantation or cancer
therapies. In some cases, skin growths may develop after an injury or infection
when the immune system fails to respond adequately.
Although HPV infections are very common, tree man syndrome
only develops in individuals whose immune systems cannot provide adequate
defense against these skin-specific viruses.
Risk Factors The risk of developing this condition is
higher if the underlying genetic variant exists in the biological family
history. In some cases, the disease can occur without a known genetic history,
where individuals with weakened immune systems carry a higher likelihood of
development.
Complications Individuals with this condition face a
significantly higher risk of developing non-melanoma skin cancer, particularly
squamous cell carcinoma. These cancers frequently appear on skin areas exposed
to intense sunlight, typically developing between the ages of 30 and 40.
Because the skin growths are difficult to control and are
often located in visible areas, the disease can also negatively impact
emotional well-being. Individuals may experience anxiety, depression, or a
desire to avoid social settings due to skin symptoms.
Diagnosis A doctor can diagnose this condition by
performing a physical examination to evaluate the symptoms. They will also ask
about personal and family medical history. To confirm the diagnosis, a doctor
may order:
- Genetic
testing
- Skin
biopsy
- PCR
testing for HPV
Treatment Options There is no definitive cure for
this condition yet, but healthcare providers can help manage symptoms and
reduce the risk of complications. Recommended treatment methods may include:
- Surgical
Excision: Surgical removal of large or suspicious growths to improve
comfort and reduce skin cancer risk.
- Oral
Retinoid Medication (Acitretin): Vitamin A derivative tablets that can
slow down or reduce the growth of warts.
- Topical
Creams (Imiquimod or Calcipotriol): Medications that boost local
immune responses or regulate cell growth in affected areas.
- Interferon
Combined with Retinoids: Combination therapy to help the body fight
the HPV infection present in the skin.
Doctors may also advise:
- Avoiding
Radiotherapy: Radiation therapy can worsen these growths, though
exceptional cases exist.
- Regular
Dermatological Checkups: Enabling the care team to monitor for
potential complications.
- Sun
Protection: Protecting the skin from sun exposure to reduce skin
cancer risk.
When to See a Doctor? Consult a doctor if you notice
new skin changes, such as persistent warts or new growths. Individuals with
this condition require regular follow-up by a dermatologist. Checkups are
typically conducted at least once a year, but can be more frequent if deemed
necessary. If severe pain or new/worsening symptoms occur between scheduled
appointments, consult a doctor without delay.
Questions to Ask Your Doctor It is normal to have
many questions. Initial questions might include:
- Which
treatment options do you recommend?
- Are
there side effects to the proposed treatments?
- Are
there clinical trials I could participate in?
- Are
there specific skincare products I should avoid?
Prognosis and Living with the Condition The overall
medical prognosis is relatively good regarding lifespan because the condition
exclusively affects the skin rather than internal organs. However, it is a
lifelong condition, and lesions often recur after removal. While there is no
cure, treatment helps manage symptoms and enhance quality of life.
The care team will regularly monitor skin changes. Any new
lesion or modification in appearance should be reported immediately, as early
detection of skin cancer facilitates treatment.
Living with this disease can be emotionally challenging.
Feelings of frustration or isolation are completely understandable. Consulting
a mental health professional can provide valuable support and coping
strategies.
Tree man syndrome (epidermodysplasia verruciformis) is an
extremely rare condition, and living with visible, uncomfortable lesions can
feel isolating. However, with appropriate care and support, managing the
condition and maintaining daily comfort is achievable.
Through regular follow-ups and a customized treatment plan,
your medical team can treat symptoms, lower skin cancer risks, and support
overall well-being. Focusing on mental health alongside skin treatment ensures
comprehensive care for overall quality of life.Would you like to explore
information on daily sun protection protocols or available psychological
support resources for managing rare skin conditions?