Bancroft's sign
Encyclopedia
Bancroft's sign, also known as Moses' sign, is a clinical sign
found in patients with deep vein thrombosis
of the lower leg
involving the posterior tibial vein
s. The sign is positive if pain is elicited when the calf muscle
is compressed forwards against the tibia
, but not when the calf muscle is compressed from side to side. Like other clinical signs for deep vein thrombosis, such as Homans sign and Lowenberg's sign
, this sign is neither sensitive nor specific for the presence of thrombosis.
Medical sign
A medical sign is an objective indication of some medical fact or characteristic that may be detected by a physician during a physical examination of a patient....
found in patients with deep vein thrombosis
Deep vein thrombosis
Deep vein thrombosis is the formation of a blood clot in a deep vein. Deep vein thrombosis commonly affects the leg veins or the deep veins of the pelvis. Occasionally the veins of the arm are affected...
of the lower leg
Human leg
The human leg is the entire lower extremity or limb of the human body, including the foot, thigh and even the hip or gluteal region; however, the precise definition in human anatomy refers only to the section of the lower limb extending from the knee to the ankle.Legs are used for standing,...
involving the posterior tibial vein
Posterior tibial vein
In anatomy, the posterior tibial vein of the lower limb carries blood from the posterior compartment and plantar surface of the foot to the popliteal vein which it forms when it joins with the anterior tibial vein....
s. The sign is positive if pain is elicited when the calf muscle
Gastrocnemius muscle
In humans, the gastrocnemius muscle is a very powerful superficial pennate muscle that is in the back part of the lower leg. It runs from its two heads just above the knee to the heel, and is involved in standing, walking, running and jumping. Along with the soleus muscle it forms the calf muscle...
is compressed forwards against the tibia
Tibia
The tibia , shinbone, or shankbone is the larger and stronger of the two bones in the leg below the knee in vertebrates , and connects the knee with the ankle bones....
, but not when the calf muscle is compressed from side to side. Like other clinical signs for deep vein thrombosis, such as Homans sign and Lowenberg's sign
Lowenberg's sign
Lowenberg's sign is a clinical sign found in patients with deep vein thrombosis of the lower leg. The sign is positive when pain is elicited rapidly when a blood pressure cuff is placed around the calf and inflated to 80mmHg...
, this sign is neither sensitive nor specific for the presence of thrombosis.