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Saber shin is a malformation of the
Periosteal reaction along the shaft of the tibia. It can result from
tibia
The tibia (; : tibiae or tibias), also known as the shinbone or shankbone, is the larger, stronger, and anterior (frontal) of the two Leg bones, bones in the leg below the knee in vertebrates (the other being the fibula, behind and to the outsi ...
. It presents as a sharp anterior
Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position pro ...
bowing, or convexity, of the tibia.
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Causes
Periosteal reaction along the shaft of the tibia. It can result from congenital syphilis
Congenital syphilis is syphilis that occurs when a mother with untreated syphilis passes the infection to her baby during pregnancy or at childbirth, birth. It may present in the fetus, infant, or later. Clinical features vary and differ between ...
, yaws
Yaws is a tropical infection of the skin, bones, and joints caused by the spirochete bacterium ''Treponema pallidum pertenue''. The disease begins with a round, hard swelling of the skin, in diameter. The center may break open and form an ulc ...
, Paget's disease of bone
Paget's disease of bone (commonly known as Paget's disease or, historically, osteitis deformans) is a condition involving Bone remodeling, cellular remodeling and deformity of one or more bones. The affected bones show signs of dysregulated bone ...
, vitamin D deficiency
Vitamin D deficiency or hypovitaminosis D is a vitamin D level that is below normal. It most commonly occurs in people when they have inadequate exposure to sunlight, particularly sunlight with adequate ultraviolet B rays (UVB). Vitamin D def ...
or Weismann-Netter–Stuhl syndrome. It can be due to osteomalacia
Osteomalacia is a disease characterized by the softening of the bones caused by impaired bone metabolism primarily due to inadequate levels of available phosphate, calcium, and vitamin D, or because of resorption of calcium. The impairment of b ...
.
Prognosis
The bone looks like a boomerang from an early age.Etymology
Saber refers to the tibia's resemblance to the curve of asaber
A sabre or saber ( ) is a type of backsword with a curved blade associated with the light cavalry of the Early Modern warfare, early modern and Napoleonic period, Napoleonic periods. Originally associated with Central European cavalry such a ...
sword.
See also
* Saddle nose *List of cutaneous conditions
Many skin conditions affect the human integumentary system—the organ system covering the entire surface of the Human body, body and composed of Human skin, skin, hair, Nail (anatomy), nails, and related muscle and glands. The major function o ...
* Rickets
Rickets, scientific nomenclature: rachitis (from Greek , meaning 'in or of the spine'), is a condition that results in weak or soft bones in children and may have either dietary deficiency or genetic causes. Symptoms include bowed legs, stun ...
References
Bibliography
* Mosby's Medical, Nursing, & Allied Health Dictionary. Edition 5, 1998 p7B49. {{DEFAULTSORT:Saber Shin Musculoskeletal disorders Bacterium-related cutaneous conditions Syphilis