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Genetic and Rare Diseases Information Center (GARD)

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Weill-Marchesani syndrome

Other Names for this Disease
  • Mesodermal dysmorphodystrophy congenital
  • Spherophakia-brachymorphia syndrome
  • WM Syndrome
  • WMS
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Your Question

Three of my children have been diagnosed with Weill-Marchesani syndrome. Can you please provide me with information about this rare disease? 

Our Answer

We have identified the following information that we hope you find helpful. If you still have questions, please contact us.

What is Weill-Marchesani syndrome?

Weill-Marchesani syndrome is an inherited connective tissue disorder that mainly affects the bones and eyes. People with this condition have short stature; short fingers; and limited joint movement, especially of the hands. Weill-Marchesani syndrome also causes abnormalities of the lens of the eye that lead to severe nearsightedness, and it can also cause glaucoma. Occasionally patients with this condition have heart defects. In some families this condition is inherited in an autosomal recessive pattern and caused by mutations in the ADAMTS10 or LTPBP2 genes. Weill-Marchesani syndrome can also have autosomal dominant inheritance, and a FBN1 gene mutation has been found in one family. People with this condition usually need regular eye exams and sometimes need eye surgery. [1]
Last updated: 10/3/2013

What are the signs and symptoms of Weill-Marchesani syndrome?

Variability in symptoms exist among individuals who have Weill-Marchesani syndrome. The features of this condition include proportionate short stature, short fingers (called brachdactyly), and joint stiffness. Eye problems are typically recognized in childhood and include microspherophakia (small spherical lens), severe nearsightedness (myopia), ectopia lentis (abnormal position of the lens), and glaucoma, all of which can affect vision. Occasionally people with Weill-Marchesani syndrome have heart abnormalities such as pulmonary valve stenosis or ductus arteriosus. Most individuals with Weill-Marchesani syndrome have normal intelligence.[1]  
Last updated: 10/3/2013

What causes Weill-Marchesani syndrome?

Weill-Marchesani syndrome is usually caused by mutations in the ADAMTS10 gene. Two families have been found with mutations in different genes, one with a mutation in FBN1 and one with a mutation in LTBP2.[1]
Last updated: 10/3/2013

How is Weill-Marchesani syndrome diagnosed?

The diagnosis of Weill-Marchesani syndrome is made on the presence of the characteristic signs and symptoms. Genetic testing can help confirm the diagnosis.[1] The Genetic Testing Registry (GTR) provides information on the genetic tests available for Weill-Marchesani syndrome. The intended audience for the GTR is health care providers and researchers. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.
Last updated: 10/3/2013

How might Weill-Marchesani syndrome be treated?

There is no cure for Weill-Marchesani syndrome, and treatment focuses addressing the symptoms that develop. Individuals with this condition often need a team of medical specialists, including pediatricians, eye specialists (ophthalmologists and optometrists), orthopedists, and cardiologists.

Regular eye exams are important for early diagnosis of eye problems. Corrective glasses, visual aids, or eye surgery may be needed to improve vision. Increased pressure within the eye (glaucoma) may be treated with eye drops, laser therapy, surgical removal of the iris or lens. Contraction or dilation of the pupils can cause glaucoma in some people with Weill-Marchesani syndrome. Medications that contract the pupil must be avoided, and medications that dilate the pupils must be given with care.

Joint stiffness and bone abnormalities can cause complications if anesthesia is needed for a procedure. It is important to inform a physician of the diagnosis before receiving anesthesia, as it can impact airway management.[2]
Last updated: 10/3/2013