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A lipoma is a benign tumor made of fat tissue. [1] They are generally soft to the touch, movable, and painless. [1] They usually occur just under the skin, but occasionally may be deeper. [1] Most are less than 5 cm (2.0 in) in size. [2] Common locations include upper back, shoulders, and abdomen. [4]
A seroma is a pocket of clear serous fluid (filtered blood plasma). They may sometimes develop in the body after surgery, particularly after breast surgery, abdominal surgery, and reconstructive surgery. They can be diagnosed by physical signs, and with a CT scan. Seromas can be difficult to manage. Serous fluid may leak out naturally, and a ...
Osteochondromas are the most common benign tumors of the bones. [1][2] The tumors take the form of cartilage -capped bony projections or outgrowth on the surface of bones (exostoses). [3][4] It is characterized as a type of overgrowth that can occur in any bone where cartilage forms bone. Tumors most commonly affect long bones about the knee ...
Arthrofibrosis (from Greek: arthro- joint, fibrosis – scar tissue formation) has been described in most joints like knee, hip, ankle, foot joints, shoulder (frozen shoulder, adhesive capsulitis), elbow (stiff elbow), wrist, hand joints as well as spinal vertebrae. [1][2] It can occur after injury or surgery or may arise without an obvious cause.
Medial knee injuries (those to the inside of the knee) are the most common type of knee injury. [1] The medial ligament complex of the knee consists of: [2] This complex is the major stabilizer of the medial knee. Injuries to the medial side of the knee are most commonly isolated to these ligaments. [1][3] A thorough understanding of the ...
Specialty. Dermatology, general surgery. A sebaceous cyst is a term commonly used to refer to either: [1] Epidermoid cysts (also termed epidermal cysts, infundibular cyst) Pilar cysts (also termed trichelemmal cysts, isthmus-catagen cysts) Both of the above types of cysts contain keratin, not sebum, and neither originates from sebaceous glands.
Ganglion cyst. A ganglion cyst is a fluid-filled bump associated with a joint or tendon sheath. [3] It most often occurs at the back of the wrist, followed by the front of the wrist. [3][4] The cause is unknown. [3] The underlying mechanism is believed to involve an outpouching of the synovial membrane. [4]
Rheumatology. An exostosis, also known as a bone spur, is the formation of new bone on the surface of a bone. [1] Exostoses can cause chronic pain ranging from mild to debilitatingly severe, depending on the shape, size, and location of the lesion. It is most commonly found in places like the ribs, where small bone growths form, but sometimes ...