[Comparing data from ultrasound with electroneuromyography in the diagnosis of carpal tunnel syndrome]. / Comparaison des données de l'échographie par rapport à l'électroneuromyogramme dans le diagnostic de syndrome de canal carpien.

This study aims to evaluate the advantages of ultrasound in the diagnosis of carpal tunnel syndrome by comparing it with electroneuromyography (ENMG). We conducted a cross-sectional study over a period of 6 months. All patients underwent ultrasound with measurement of the surface of the median nerve at the entrance of the carpal tunnel and electroneuromyographic examination of both wrists. The sensitivity and specificity of ultrasound was compared to those of ENMG. The average age of patients was 49.6 years with a clear female predominance (98%). The majority of patients were housewives. Paresthesias were the most common reason for consultation in 86%. Bilateral clinical manifestation occurred in 78% of cases. ENMG showed pathological result in 89 wrists (89%). Ultrasound was abnormal in 63 wrists (63%) with a median surface area of the median nerve of 11 mm2. This study highlights an ultrasound sensitivity of 70%, a specificity of 100% with a positive predictive value (PPV) of 100% and a negative predictive value (VPN) of 29.7%. It was concluded that ultrasound has sensitivity only to carpel tunnel with severe involvement on ENMG.

[Ankylosing spondylitis associated with Still's disease: should it be considered a pathophysiologic link or a simple association?] / Spondylarthrite ankylosante et maladie de Still: un lien physiopathologique ou une simple association?

Ankylosing spondylitis is a chronic inflammatory rheumatism; it is part of the group of spondyloarthrites. General signs such as fever and weight loss are of little importance. Adult Still's disease is a rare systemic condition, a diagnosis of exclusion commonly characterized by high hectic fever, rash, arthritis and various systemic manifestations. Few cases of ankylosing spondylitis associated with adult Still's disease have been described in the literature. We here report the case of a 31-year old patient followed up for ankylosing spondylitis presenting with fever which had lasted for a long time and clinico-biological signs compatible with adult Still's disease. A possible pathophysiologic link between the two diseases may be suggested, even if their simultaneous occurrence has been rarely reported in the literature.

Myositis ossificans progressive: case report.

Myositis ossificans progressiva (MOP) is an autosomal dominant disorder. There is a progressive ectopic ossification and skeletal malformation, mainly in the connective tissue of muscle. The diagnosis is based on the clinical findings and radiological demonstration of the skeletal malformations. A 38-year-old female patient was admitted to our department with progressive increase of the thigh. Results of laboratory studies were normal. The radiography of the right thigh showed multiple intramuscular calcifications. Myositis ossificans progressiva should be diagnosed as early as possible and non-invasively, based upon history, clinical and radiological findings. Early and correct diagnosis is fundamental for indication of proper management of the disease.

Rheumatoid arthritis and tabetic arthropathy: physiopathological link or simple association?

To the best of our knowledge, the association of rheumatoid arthritis and tabetic arthropathy has never been described before in the literature. We report here a first observation. We report the case of a 50-year-old man, treated for syphilitic arthritis evolving for 4 years, who presented with a table of rheumatoid arthritis. The diagnosis of rheumatoid arthritis was established according to the 2010 American College of Rheumatology/European League Against Rheumatism criteria (ACR/EULAR). The treatment was based on weekly injection of methotrexate and a symptomatic treatment by corticosteroid. The association of rheumatoid arthritis and tabetic arthropathy is rare, to our knowledge this is the first case reported. This case reminds us that a neuropathic arthropathy as tabetic arthropathy, although it is rare, can be associated in a sporadic or exceptional way with other rheumatic disease like rheumatoid arthritis. A physiopathological link between the both diseases remains to be proved.

Chronic tophaceous gout with unusual large tophi: case report.

Gout is a metabolic disease, which is characterized by acute or chronic arthritis, and deposition of monosodium urate crystals in joint, bones, soft tissues, and kidneys. But large tophi are unusual in chronic gout. We report the case of a 67-year-oldArabman presenting chronic tophaceous gout with unusual large tophi involving multiple joints: hands, feet, elbows, and knees. Laboratory workup revealed elevated serum uric acid (96 mg/l, normal: 20-74 mg/l), with normal renal function test. In untreated patients, chronic tophaceous gout may develop, which is characterized by chronic destructive polyarticular involvement and tophi. The treatment consists to decrease serum uric acid level which eventually allows the regression of tophi.

Ankylosing spondylitis associated with Sweet's syndrome: a case report.

INTRODUCTION: Sweet's syndrome is an acute neutrophilic dermatosis characterized by a diffuse dermal infiltrate of mature neutrophils. In most cases, it occurs as an isolated phenomenon (idiopathic Sweet's syndrome) but it can be drug induced or associated with a variety of underlying diseases such as infections, neoplasms, and chronic inflammatory diseases. The association between Sweet's syndrome and ankylosing spondylitis is rare. Only a few cases have been reported in the literature. We report a new case in which we describe an outbreak of acute neutrophilic dermatosis revealing ankylosing spondylitis. CASE PRESENTATION: A 33-year-old Moroccan man presented with large-joint polyarthralgia, inflammatory pain in his buttocks and lower lumbar spine, fever and skin lesions. On examination, the patient had a low-grade fever, six tender but not swollen joints, limitation of motion of the lumbar spine, and painful erythematous maculopapules over his face, neck, and hands. Laboratory tests showed hyperleukocytosis, and elevated erythrocyte sedimentation rate and C-reactive protein. The immunological tests and infectious disease markers were negative. Investigations for an underlying neoplastic disease remained negative. Magnetic resonance imaging showed a bilateral sacroiliitis. Skin biopsy findings were consistent with Sweet's syndrome. The diagnosis of Sweet's syndrome associated with ankylosing spondylitis was established. Nonsteroid anti-inflammatory drugs were started and the patient showed rapid clinical and biological improvement. CONCLUSION: Three observations of the association between Sweet's syndrome and spondylarthropathy have been reported in the literature. The cause of this association remains unclear. Some hypotheses have been developed, but further studies are needed to confirm or refute them.