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- Palmar creases develop while a baby is growing in the womb, most often by the 12th week of gestation. A single palmar crease appears in about 1 out of 30 people. Males are twice as likely as females to have this condition. Some single palmar creases may indicate problems with development and be linked with certain disorders.
www.mountsinai.org/health-library/symptoms/simian-crease
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Klinefelter syndrome. Pseudohypoparathyroidism. Cri du chat syndrome. What to Expect at Your Office Visit. An infant with a single palmar crease may have other symptoms and signs that, when taken together, define a specific syndrome or condition. Diagnosis of that condition is based on a family history, medical history, and complete physical exam.
- Pseudohypoparathyroidism
The 4 parathyroid glands are located near or attached to the...
- Gestational Age Information
Gestation is the period of time between conception and...
- Down Syndrome
Single crease in the palm of the hand ; Small ears ; Small...
- Klinefelter Syndrome
Klinefelter syndrome, also called 47,XXY, is a genetic...
- Fetal Alcohol Syndrome
A single palmar crease occurs in about 1 out of 30 people,...
- Trisomy 13
Single palmar crease; Skeletal (limb) abnormalities; Small...
- Pseudohypoparathyroidism
In humans, a single transverse palmar crease is a single crease that extends across the palm of the hand, formed by the fusion of the two palmar creases.
The use of the notorious simian line ('single palmar crease') as a diagnostic marker requires a proper understanding of the underlying concept + the major hand lines. This article describes the concept of the simian line + how to recognize- and discriminate it's related manifestions.
phalangeal joint. The genesis of the single upper palmar crease or of a transitional upper palmar crease pattern is not neces- sarily explained on the basis of a decreased sloping alignment of the third, fourth, and fifth metacarpal-phalangeal joints, as is evi- dent in Fig. 8. One possible factor which
Jun 21, 2024 · A single transverse palmar crease, also known as a Simian line, is a rare condition where the typical three creases in the palm are replaced by a single line that runs across the palm. This condition can occur in one or both hands and is often associated with certain genetic disorders and chromosomal abnormalities.
Nov 22, 2019 · If you have a single transverse palmar crease (STPC), the distal and proximal creases combine to form one transverse palmar crease. The thenar transverse crease remains the same.
Jul 13, 2019 · The simian crease, aptly named for its resemblance to the palmar creases of nonhuman simian primates, has received recognition clinically and anthropologically owing to its abnormal appearance and confounding cytogenetic etiology.
