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Ligamentum teres hepatis, hip, Umbilical Vein, Ultrasound, Radiology

   

Ligamentum teres is a round ligament present in liver. It is also known as ligamentum teres hepatis because of its location. Ligamentum is a collection of string tissues (fibrous in nature) that is present at the edge of falciform ligament present in liver. This round shaped ligament divides the left part of liver into two parts i.e. medial and lateral sections. Fetus Umbilical vein remnant is represented by this round ligament (ligamentum teres) that is why it is only present in placental mammals. After one or two months of delivery, the umbilical vein degenerate to form fibrous tissue i.e. ligamentum teres.


Ligamentum teres Hepatis

       
Ligamentum teres is also known as ligamentum teres hepatis because it is present in liver. It is located at the edge of another ligament named falciform ligament (dividing liver in left and right side). This ligament is present in left side of liver which divide it into 2 parts medial and lateral. It is a degenerative ligament because it has the same degenerative cells as present in liver. It is composed of fibrous tissues which joins navel part to the anterior side border of liver. It is of great importance as it is remnant of fetal umbilical cord.


Ligamentum teres hepatis, hip, Umbilical Vein, Ultrasound, Radiology

Ligamentum teres Hip


The ligamentum teres present in hip is also known as round ligament of the femur and ligamentum teres femoris. It is not round in shape but appear as triangular shaped or sometimes flattened ligament. It has different strength in different subjects and unsheathed by the synovial membrane. The ligamentum teres femoris get tense when person is in semi flexed or half bended position and get relax at adducted limb position. It provides extra protection to hip and avoid dislocation of hip with great resistance that is why it is also known as hip capsule.


Ligamentum teres Umbilical vein

         
Umbilical vein is developed during pregnancy for the purpose of development of fetus. It carries oxygenated blood to fetus via placenta. This umbilical vein provide oxygenated blood to very central circulatory system of neonate and restore the actual blood volume in the body of neonate. It also help in administration of glucose and drugs. After delivery of neonate, the umbilical vein start closing and converting into the fibrous rounded cord like structure named ligamentum teres. It is located in liver and cross over the falciform ligament to divide left half of liver into two parts.

Ligamentum teres Ultrasound

       
The ultrasound report of liver shows the presence of tear ligamentum teres. A survey report containing 100 patients illustrated that about 87 % patient were found with tear ligamentum teres. This calculation was reported after ultrasound examination of liver showing pathological condition of ligamentum teres. The mean diameter of ligamentum teres is 4.5 mm and have a range of 3 to 6 mm. when tear ligamentum teres is present, the diameter of round ligament is increased due to thickness. This increased ligament thickness appear clearly in the reports of ultrasound. Thickening of ligamentum teres is of two types i.e. nodular or smooth.

Ligamentum teres Radiology

       
Arthroscopy and magnetic resonance imaging are performed to get radiology report. But magnetic resonance imaging is not all the time successful in getting radiology report. But arthroscopy of hip and liver portion have greatly reported pathological findings in ligamentum teres. Pain in hip and instability in patient when undergo from arthroscopy, found to have lesions in ligamentum teres. About 4 % to 15 % cases of ligamentum teres tear are reported by arthroscopy. Lesion in ligamentum teres is found to be the most common cause behind pain in hip portion in athletes.

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