[Hypokalemic paralysis revealing Sjögren's syndrome associated with auto-immune thyroiditis].

We report a case of 36-year-old woman, admitted for hypotonic tetraparesis. Laboratory tests revealed severe hypokalaemia, acidosis, hyperchloremia and alkaline urinary pH allowing the diagnosis of distal tubular acidosis. Additional investigations led to the diagnosis of primary Sjögren's syndrome associated with Hashimoto's thyroïditis.

Leflunomide-induced toxic epidermal necrolysis in a patient with rheumatoid arthritis.

Introduction: Leflunomide is an immunomodulating agent with proven efficacy in rheumatoid arthritis. Although its overall safety profile is good, a few cases of toxic epidermal necrolysis have been reported.

Case Report: This 36-year-old woman had rheumatoid arthritis that proved refractory to sulfasalazine and methotrexate, which were used successively in combination with symptomatic drugs.

Buschke-Ollendorff syndrome.

Unlabelled: Buschke-Ollendorff syndrome (BOS) is an autosomal dominant disorder characterized by elastin-rich hamartomas and osteopoikilosis.

Case Report: In a 21-year-old woman, osteopoikilosis led to the diagnosis of BOS. She had multiple, grouped, buff-colored papules over the thighs and trunk.

Sweet's syndrome in Behçet's disease.

Unlabelled: Few cases of Sweet's syndrome have been reported in patients with Behçet's disease.

Case Report: A 47-year-old woman with five year history of oral and genital ulcers that had not been investigated previously was admitted for an eruption of tender, erythematous, vesicle-like papules over the face, neck, palms, and legs. She reported polyarthralgia and weight loss of 6 kg over the previous month.