A 42-year-old businessman had a 27-year history of multiple complaints. He had been born of a non-consanguineous marriage, but his siblings had young-onset hypertension. When aged 15 years, he developed an ulcerated skin lesion on the medial right thigh with right foot drop. This was presumptively treated as tuberculosis with corticosteroids and antituberculous therapy; the skin lesion resolved in 1–2 weeks and the foot drop recovered within 6–8 weeks. He stopped antituberculous therapy after 1 month.
When aged 24 years, he developed a left foot drop that improved with oral corticosteroids in 3–4 weeks. However, on corticosteroid withdrawal he developed fever, left foot ulceration and abdominal pain. Biopsy of the skin ulcer was reported as ‘systemic lupus erythematosus-like’. His symptoms resolved with tapering corticosteroids over 4–6 months. He was also diagnosed and treated for hypertension at this time.
When aged 30 years, he developed similar complaints. A rheumatologist prescribed monthly cyclophosphamide…