Femur. Tubular sequestrum from amputated stump.
Femur. Oblique gunshot fracture (FIG. 1). Upper and lower portions of the bone are separated, but united by callus in several places.
Forearm. Lower two-thirds of left forearm. Amputation was performed for gangrene/ulceration of wrist following removal of middle finger (FIG. 1, bone stump at amputation site).
Femur. The entire shaft is necrotic (FIG. 1, sequestrum) and partially encased by an irregular involucrum.
Femur. 2.5 inches of stump have been removed for "protrusion". The sequestrum has partially separated from the callus and the residual viable bone.
Femur. Stump showing a sequestrum partly covered by a conical involucrum.
Femur. The shaft is fractured obliquely 11 cm from the distal end. Union has not occurred despite the presence of a large amount of callus (FIG. 1) at the ends of both fragments. A sequestrum is...
Femur. Tubular sequestrum with a ring of smooth surfaced bone (FIG. 1) surrounding the point of amputation.
Femur. Cut surface of the upper femur with acetabulum shows necrosis of medullary tissue (FIG. 1) that extends from the margin of amputation to the mid-portion of the neck.