From OMIMOtospondylomegaepiphyseal dysplasia (OSMED) is characterized by sensorineural deafness and relatively short extremities with abnormally large knees and elbows but normal total body length. The diagnostic radiologic findings are the enlarged epiphyses combined with a moderate platyspondyly, most marked in the lower thoracic region. There are no ocular abnormalities. Patients have typical facial features, including midface hypoplasia (summary by Giedion et al., 1982). Some patients have osteoarthritis (Brunner et al., 1994).
http://www.omim.org/entry/184840 From MedlinePlus GeneticsWeissenbacher-Zweymüller syndrome is a condition that affects bone growth. It is characterized by skeletal abnormalities, hearing loss, and distinctive facial features. The features of this condition significantly overlap those of two similar conditions, otospondylomegaepiphyseal dysplasia (OSMED) and Stickler syndrome type III. All of these conditions are caused by mutations in the same gene, and in some cases, it can be difficult to tell them apart. Some researchers believe they represent a single disorder with a range of signs and symptoms.
Infants born with Weissenbacher-Zweymüller syndrome are smaller than average because the bones in their arms and legs are unusually short. The thigh and upper arm bones are wider than usual at the ends (described as dumbbell-shaped), and the bones of the spine (vertebrae) may also be abnormally shaped. High-frequency hearing loss occurs in some cases. Distinctive facial features include wide-set protruding eyes, a small and upturned nose with a flat bridge, and a small lower jaw. Some affected infants are born with an opening in the roof of the mouth (a cleft palate).
Most people with Weissenbacher-Zweymüller syndrome experience significant "catch-up" growth in the bones of the arms and legs during childhood. As a result, adults with this condition are not unusually short. However, affected adults still have other signs and symptoms of Weissenbacher-Zweymüller syndrome, including distinctive facial features and hearing loss.
https://medlineplus.gov/genetics/condition/weissenbacher-zweymuller-syndrome From MedlinePlus GeneticsOtospondylomegaepiphyseal dysplasia (OSMED) is a condition characterized by skeletal abnormalities, distinctive facial features, and severe hearing loss. The term "otospondylomegaepiphyseal" refers to the parts of the body that this condition affects: the ears (oto-), the bones of the spine (spondylo-), and the ends (epiphyses) of long bones in the arms and legs. The features of this condition significantly overlap those of two similar conditions, Weissenbacher-Zweymüller syndrome and Stickler syndrome type III. All of these conditions are caused by mutations in the same gene, and in some cases, it can be difficult to tell the conditions apart. Some researchers believe they represent a single disorder with a range of signs and symptoms.
People with OSMED are often shorter than average because the long bones in their legs are unusually short. Other skeletal features include enlarged joints; short arms, hands, and fingers; and flattened bones of the spine (platyspondyly). People with the disorder often experience back and joint pain, limited joint movement, and arthritis that begins early in life.
Severe high-frequency hearing loss is common in people with OSMED. Typical facial features include protruding eyes; a flattened bridge of the nose; an upturned nose with a large, rounded tip; and a small lower jaw. Almost all affected infants are born with an opening in the roof of the mouth (a cleft palate).
https://medlineplus.gov/genetics/condition/otospondylomegaepiphyseal-dysplasia From MedlinePlus GeneticsStickler syndrome is a group of hereditary conditions that are characterized by a distinctive facial appearance, eye abnormalities, hearing loss, and joint problems. These signs and symptoms vary widely among affected individuals, even among members of the same family.
Researchers have described several types of Stickler syndrome, which are distinguished by their genetic causes, features, and patterns of inheritance. In particular, the eye abnormalities and severity of hearing loss vary among the different types. Some types of Stickler syndrome are very rare and have been diagnosed in only a few individuals.
A characteristic feature of Stickler syndrome is a flattened facial appearance that results from underdeveloped bones in the middle of the face. A particular group of physical features called Pierre Robin sequence is also common in people with Stickler syndrome. Pierre Robin sequence includes an opening in the roof of the mouth (a cleft palate), a tongue that is placed further back than normal (glossoptosis), and a small lower jaw (micrognathia). This combination of features can lead to feeding problems and difficulty breathing after birth.
Many individuals with Stickler syndrome have severe nearsightedness (high myopia), which means they have trouble seeing things that are far away. In some cases, the clear gel that fills the eyeball (the vitreous) has an abnormal appearance, which is noticeable during an eye examination. Other eye problems are also common in people with Stickler syndrome, including increased pressure within the eye (glaucoma), clouding of the lens of the eyes (cataracts), and tearing of the light-sensitive tissue at the back of the eye (retinal detachment). These eye abnormalities can impair vision and may lead to blindness.
Hearing loss is also common in people with Stickler syndrome. In affected individuals, the degree of hearing loss can vary and may worsen over time. People with Stickler syndrome typically have sensorineural hearing loss (caused by changes in the inner ear) with or without conductive hearing loss (caused by changes in the middle ear).
Most people with Stickler syndrome have joint abnormalities. Arthritis often develops early in life and may cause joint pain or stiffness. People with severe joint disease may need surgery to replace damaged joints in their 20s or 30s. Affected individuals may also have abnormal curvature of the spine (scoliosis or kyphosis) that causes back pain.
https://medlineplus.gov/genetics/condition/stickler-syndrome