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Systemic lupus erythematosus and calciphylaxis.

Safwan H Sakr¹, E Brian Russell, Hugo E Jasin

¹Department of Internal Medicine, Division of Rheumatology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.

The Journal of Rheumatology

|September 1, 2004

Summary

Calciphylaxis, a rare condition in end-stage renal disease patients, causes painful skin lesions. This case highlights calciphylaxis mimicking lupus profundus in a patient with systemic lupus erythematosus and kidney failure.

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Area of Science:

Nephrology
Dermatology
Rheumatology

Background:

Calciphylaxis is a rare, severe condition often associated with end-stage renal disease (ESRD).
It presents with painful skin necrosis, ulceration, and eschar formation.
Systemic lupus erythematosus (SLE) is an autoimmune disease that can affect multiple organs.

Observation:

A patient with SLE and ESRD presented with skin lesions initially diagnosed as lupus profundus with vasculitis.
The lesions were characterized by painful, indurated plaques, ecchymosis, ulceration, and eschar formation, consistent with calciphylaxis.
Diagnostic evaluation was crucial to differentiate between lupus profundus and calciphylaxis.

Findings:

The patient's extensive skin lesions were ultimately diagnosed as calciphylaxis.

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This case underscores the importance of considering calciphylaxis in ESRD patients with complex dermatological manifestations.

The co-occurrence of SLE and ESRD complicated the initial diagnosis.

Implications:

Accurate diagnosis of calciphylaxis is critical for appropriate management and improved patient outcomes.
This case highlights the diagnostic challenges when calciphylaxis mimics other conditions like lupus profundus.
Further research into the pathogenesis and treatment of calciphylaxis in ESRD and autoimmune disease patients is warranted.