Systemic lupus erythematosus with nodular lesions

1969 ◽  
Vol 100 (5) ◽  
pp. 642-643
Author(s):  
Y. L. Lynfield
Author(s):  
Anna Kruszewska ◽  
Agnieszka Owczarczyk-Saczonek ◽  
Waldemar Placek ◽  
Magdalena Krajewska-Włodarczyk

Introduction: Cutis calcification is the deposition of calcium in the skin and subcutaneous tissues and is classified into four subsets. Dystrophic calcifications are the most common type of skin calcification, occurring mainly in damaged tissues or in course of autoimmune disease. However, the coexistance of systemic lupus erythematosus (SLE) and soft tissue calcification is described rarely. Aim: This article presents a case of dystrophic calcifications in the buttocks area in a 49-year-old woman with a 17-year history of SLE. Case study: We report a case of 49-year-old women with SLE who developed nodular lesions in the buttock area. The radiological and histopatological examinations of the nodules showed presence of calcifications. The calcium metabolism parameters were in a normal range. The diagnosis of dystrophic calcinosis in the course of SLE was established. Results and discussion: Dystrophic calcifications associated with autoimmune diseases are common, but occur rarely in SLE. It should be noted that patients with SLE can also develop calcifications of different types like metastatic or iatrogenic. Dystrophic calcifications in SLE usually present as small nodules on buttocks or limbs. The pathophysiology remains unclear, however, there are some theories that inflammation and vascular ischemia play a role in its process. Conclusions: Calcifications in case of patients with SLE rarely require treatment. Several pharmacologic and surgical therapies have been tested with variable results. Additional research to establish an accepted treatment algorithm should be conducted.


Author(s):  
Francis R. Comerford ◽  
Alan S. Cohen

Mice of the inbred NZB strain develop a spontaneous disease characterized by autoimmune hemolytic anemia, positive lupus erythematosus cell tests and antinuclear antibodies and nephritis. This disease is analogous to human systemic lupus erythematosus. In ultrastructural studies of the glomerular lesion in NZB mice, intraglomerular dense deposits in mesangial, subepithelial and subendothelial locations were described. In common with the findings in many examples of human and experimental nephritis, including many cases of human lupus nephritis, these deposits were amorphous or slightly granular in appearance with no definable substructure.We have recently observed structured deposits in the glomeruli of NZB mice. They were uncommon and were found in older animals with severe glomerular lesions by morphologic criteria. They were seen most commonly as extracellular elements in subendothelial and mesangial regions. The deposits ranged up to 3 microns in greatest dimension and were often adjacent to deposits of lipid-like round particles of 30 to 250 millimicrons in diameter and with amorphous dense deposits.


2000 ◽  
Vol 6 (7) ◽  
pp. 821-825 ◽  
Author(s):  
ELIZABETH LERITZ ◽  
JASON BRANDT ◽  
MELISSA MINOR ◽  
FRANCES REIS-JENSEN ◽  
MICHELLE PETRI

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