Oblique ulnar shortening osteotomy by a single saw cut.

Ulnar shortening osteotomy is an effective treatment in patients with ulnar impaction syndrome. Accurate shortening and bony apposition can be obtained for a wide range of shortening lengths with a single-cut osteotomy technique. The saw kef produced by a single saw pass cuts a bony defect with parallel walls.

Selective heparinization of venous anastomosis in latissimus dorsi free flaps to cover lower-extremity soft-tissue defects.

Two groups of consecutive patients treated with latissimus dorsi free myocutaneous flaps to cover lower-extremity soft-tissue defects were compared for postoperative vascular occlusion. In the first group of 13 patients (group I), there were five (38%) venous occlusions and no arterial occlusions. The second group of 15 patients (group II) was treated with selective heparinization of each venous anastomosis via a 0.

Forearm fracture plates: to remove or not to remove.

Eighty dynamic compression plates used to fix fractures of the radius and/or ulna were removed from 51 of 98 adult patients. Thirty-seven patients had plates removed electively. Fourteen patients had plates removed for clinical reasons.

Apparent weakness of median and ulnar motors in radial nerve palsy.

Muscle testing of a patient with radial nerve palsy can incorrectly suggest median and ulnar weakness because of a decreased ability to stabilize the thumb and wrist. Ten adult volunteers had radial nerve blocks and their strengths were quantitatively evaluated before and after blocking for grip, key pinch, isolated thumb adduction (adduction pinch), thumb palmar abduction, finger flexion, and flexor pollicis longus (FPL) function. Data were analyzed by paired t test (p less than 0.

Ruptured epidermal inclusion cyst of the palm presenting as collar-button abscess.

Two cases of epidermal inclusion cysts that ruptured as a result of trauma and then mimicked pyogenic collar-button abscesses are reported. Rupture of the cyst into the palmar subcutaneous tissue produced an inflammatory response that led to the sterile abscesses drained at surgery. Presentation of a deep space abscess without history of penetrating injury should suggest this diagnosis.

Detection of intraarticular loose osteochondral fragments by double-contrast wrist arthrography. A case report of a basketball injury.

Gravity was used in a case of double-contrast wrist arthrography to demonstrate the intraarticular loose nature of osteochondral fracture fragments. These calcified loose bodies were successfully removed surgically.

Antigen-induced arthritis: an immunohistologic study of articular tissue and synovial fluid using the horseradish peroxidase technique.

Articular tissue and synovial fluid from rabbits with antigen-induced arthritis were stained for localization of immunoglobulin (Ig) and egg albumin (EA) using the immunoperoxidase technique. Discrete granules containing Ig and EA were initially observed within vascular synovial tissue with later occurrence in synovial fluid and dense connective tissue. Homogeneous staining for Ig was not always associated with the presence of antigen and, therefore, cannot be used alone as evidence of the presence of immune complexes.

Serratus anterior paralysis in the young athlete.

Ten cases of isolated, complete paralysis of the serratus anterior muscle were diagnosed in young athletes during a three-year period. One patient had recurrent partial paralysis of the serratus anterior muscle, the first such case reported. From studies on cadavera and clinical observations, we concluded that paralysis of the serratus anterior muscle results from a traction injury to the long thoracic nerve of Bell.

Temporal and thermal effects on deformation potentials in bone.

There were 44 freshly excised adult rat femora subjected to mechanical deformation in a 4-point bending jig while the load/deformation curves and the electrical potentials generated were recorded simultaneously. Serial testing was repeated after storage of specimens up to 30 days at 25 degrees C and -15 degrees, and after heating for 1 h at 70 degrees, 80 degrees, and 85 degrees C. The amplitude of the potential decreased shortly after the femora had been excised until, by 4-7 days, it reached a plateau which was 10-20% of the initial value.