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Living with Hypotrichosis-intellectual disability, Lopes type

A rare ectodermal dysplasia with sparse hair, fused fingers, intellectual disability, and early tooth eruption.

Understanding Hypotrichosis-intellectual disability, Lopes type

Hypotrichosis-intellectual disability, Lopes type is a rare ectodermal dysplasia syndrome.

It involves sparse scalp hair and eyebrows (hypotrichosis), fused fingers (syndactyly), intellectual disability, and early eruption of teeth. Facial features may include a round face with prominent forehead, cheeks, and ears. Finger bones may be small and the upper back may curve forward. It begins in infancy or childhood.

Signs & symptoms

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

  • Sparse hair
  • Fused fingers (cutaneous syndactyly)
  • Intellectual disability
  • Early eruption of teeth

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 brain and nervous system specialists, genetic specialists and skin, hair, and nail specialists.

  3. Ask which tests can help

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

  4. Connect with expert centers

    National Foundation for Ectodermal Dysplasias may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: National Foundation for Ectodermal Dysplasias
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 National Foundation for Ectodermal Dysplasias and other patient organizations
  • 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
What support for learning would help?
Are there surgical options for fused fingers?
Would genetic testing help our family?

Quick facts

Symptoms usually startInfant and as a Child
InheritanceAutosomal Recessive

Changes in genes (also called variants) cause this condition. It is autosomal recessive, so a child inherits a changed copy of the gene from each parent.

GeneticNeurologicalSkin

Also known as: hypotrichosis and intellectual disability syndrome lopes type; lopes marques de faria syndrome; lopes-marques de faria syndrome

Patient organizations

Source: NIH GARD · Hypotrichosis-intellectual disability, Lopes typeGARD ID 18763 · 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

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