Hypotonia, or low muscle tone, is common in dwarfs, but intelligence and lifespan are usually normal. Defining dwarfism by height alone is problematic because short stature in itself is not a disorder. For example, pygmies have adult male heights of less than 150 cm (4 feet 11 inches) on average.efining dwarfism by height alone is problematic because short stature in itself is not a disorder. For example, pygmies have adult male heights of less than 150 cm (4 feet 11 inches) on average.
1 Cuts, burns, skin infections, rashes and insect bites may cause lymph nodes to get larger. 2  Swollen lymph nodes on the front of the neck could mean your child has a cold or throat infection.  Swollen lymph nodes in the groin could mean your child has an injury near their lower abdomen or legs.
Back to Top Considerations. There are many causes of lumps in the neck. The most common lumps or swellings are enlarged lymph nodes. These can be caused by bacterial or viral infections, cancer (malignancy), or other rare causes. Swollen salivary glands under the jaw may be caused by infection or cancer.Lumps in the muscles of the neck are caused by injury or torticollis.hese lumps are often at the front of the neck. Lumps in the skin or just below the skin are often caused by cysts, such as sebaceous cysts. The thyroid gland may also produce swelling, or one or more lumps. This can be due to thyroid disease or cancer.