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An ecchymosis is a hematoma of the skin larger than 10 mm. [2] They may occur among and or within many areas such as skin and other organs , connective tissues , bone , joints and muscle . A collection of blood (or even a hemorrhage ) may be aggravated by anticoagulant medication (blood thinner).
A bruise, also known as a contusion, is a type of hematoma of tissue, [3] the most common cause being capillaries damaged by trauma, causing localized bleeding that extravasates into the surrounding interstitial tissues. Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration.
Retroperitoneal hematoma, retroperitoneal hemorrhage: Transverse section, showing the relations of the capsule of the kidney. (Peritoneum is labeled at center right. Retroperitoneal space is behind peritoneum.) Specialty: General surgery
A massive hemoscrotum (scrotal hematoma) which occurred as a complication of inguinal hernia repair. The scrotum was explored surgically, and a drain was left behind (seen on the right thigh). A Foley catheter is in place to prevent urinary retention. Specialty: Urology
The patient lies on his/her left side with the knees extended. The examiner holds the patient's right thigh and passively extends the hip. Alternatively, the patient lies on their back, and the examiner asks the patient to actively flex the right hip against the examiner's hand. [3] If abdominal pain results, it is a "positive psoas sign".
The phrase formerly referred more commonly to bruising of the quadriceps muscle of the anterior or lateral thigh, or contusion of the femur, that commonly results in a haematoma and sometimes several weeks of pain and disability. In this latter sense, such an injury is known as dead leg. [citation needed]
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Ultrasound is indicated if superficial phlebitis involves or extends into the proximal one-third of the medial thigh, there is evidence for clinical extension of phlebitis, lower extremity swelling is greater than would be expected from a superficial phlebitis alone or diagnosis of superficial thrombophlebitis in question.