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Living with Acrofacial dysostosis, Catania type

A rare condition present at birth with mild growth delay, a small head, learning challenges, and jaw and limb differences.

Understanding Acrofacial dysostosis, Catania type

Acrofacial dysostosis, Catania type, is a rare condition with differences in the face and limbs.

Features include mild slow growth before birth, short stature, a small head, and intellectual disability. Facial differences include dental problems, a small jaw, and underdeveloped cheekbones. Limbs have mild shortening, short fingers, and mild webbing. Frequent cavities, hernias, and, in males, undescended testes or hypospadias may occur. GARD lists onset as during pregnancy and as a newborn.

Signs & symptoms

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

  • Small head size (microcephaly)
  • Mild intellectual disability
  • Short fingers and toes
  • Dental differences and cavities
  • Underdeveloped cheekbones
  • Feeding difficulties in infancy

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 bone and joint specialists, brain and nervous system specialists and genetic 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

    Little People of America and World Craniofacial Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Expert lists: Little People of America, World Craniofacial Foundation
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 Little People of America 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
Which dental and jaw care does my child need?
How should growth and development be followed?
What does genetic counseling say about inheritance?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn
InheritanceAutosomal Dominant, X-Linked

GARD says changes in genes (also called variants) cause this condition. It is listed as autosomal dominant or X-linked.

GeneticNeurological

Also known as: acrofacial dysostosis catania type; afd catania type; opitz caltabiano syndrome; opitz mollica sorge syndrome; opitz-caltabiano syndrome

Patient organizations

Source: NIH GARD · Acrofacial dysostosis, Catania typeGARD ID 494 · 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 Acrofacial dysostosis, Catania type.

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