Case Report of Systemic Lupus Erythematosus Presenting as Japanese Spotted Fever with Rickettsia japonica Identified in an Eschar

Category	Detail
Condition	Neuropsychiatric Systemic Lupus Erythematosus (NPSLE)
Key Mechanisms	Autoimmune disease affecting multiple organ systems with neuropsychiatric manifestations.
Target Population	Patients with systemic lupus erythematosus exhibiting neurological and psychiatric symptoms.
Care Setting	Intensive care unit

NPSLE can present with severe symptoms including fever, respiratory failure, and altered consciousness.
Differential diagnosis is complicated by overlapping symptoms with Japanese spotted fever (JSF).
Immediate high-dose glucocorticoid and immunosuppressive treatments are necessary for severe NPSLE cases.
Serological confirmation and PCR testing are crucial for diagnosing rickettsial diseases like JSF.
Prompt intervention is critical in cases with significant diagnostic challenges.

Diagnosis of NPSLE requires exclusion of other causes, including infections.
Serological confirmation and PCR testing for Rickettsia japonica are recommended.

Severe complications may include multiorgan dysfunction and respiratory failure.

43-year-old male with a history of outdoor work in a JSF-endemic area.

Immediate therapeutic intervention was required due to respiratory failure and altered consciousness.

Conduct comprehensive assessments to differentiate between NPSLE and rickettsial diseases.
Utilize PCR for rapid diagnosis of rickettsial infections in suspected cases.

Clinical Scorecard: Case Report of Systemic Lupus Erythematosus Presenting as Japanese Spotted Fever with Rickettsia japonica Identified in an Eschar