Fig. 5-24
Lupus nephritis. There are two focal necrotizing lesions at 11 and 2 o’clock. (H
& E stain.) (Courtesy of Dr. Helmut Rennke, Department of Pathology, Brigham and
Women’s Hospital, Boston.)
Skin:
Basement membrane thickening
Inflammation of sun-exposed areas
(butterfly rash)
Joints:
Arthritis
Synovitis (like Rheumatoid)
Inflammation of a synovial membrane,
especially that of a joint; in general, when
unqualified, the same as arthritis.
Fig. 5-23
Libman-Sacks endocarditis of the mitral valve in systemic lupus erythematosus.
The small vegetations attached to the margin of the valve leaflet are easily seen. (Courtesy
of Dr. Fred Schoen, Department of Pathology, Brigham and Women’s Hospital, Boston.)