Simian Crease: Causes, Symptoms & Complications
Let's see if we can figure out what's causing your simian crease.
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What causes simian crease? 5 possible conditions

“Simian crease” is an outdated term that is no longer considered politically correct; “simian” refers to an ape or monkey, or something having the characteristics of these animals. Single transverse palmar crease (STPC) is a more accurate name for this... Read more

See a list of possible causes in order from the most common to the least.

1

Down Syndrome

Down syndrome (sometimes spelled "Down's syndrome") is a genetic abnormality. It is the most common single cause of birth defects in the United States.

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2

Aarskog Syndrome

Aarskog syndrome is a very rare genetic disorder that can affect a person's stature, facial features, genitalia, muscles, and bones.

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3

Turner Syndrome (Monosomy X)

Turner syndrome is a genetic condition caused by an abnormality on one of your sex chromosomes. It is also called monosomy X.

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4

Fetal Alcohol Syndrome

Fetal alcohol syndrome (FAS) occurs when a baby is born with varied mental and physical defects due to the mother consuming alcohol during pregnancy.

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5

Crying Cat Syndrome (Cri-du-Chat)

Crying cat syndrome is rare, but it's one of the most common syndromes caused by chromosomal deletion. Read about out the symptoms.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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