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Biomedical subjects

I Uthman

Publications and source records attributed to I Uthman.

31 records · Page 2Linked to original sources

Miliary tuberculosis presenting as tenosynovitis in a case of rheumatoid arthritis.

A 77-year-old woman with a seropositive nodular rheumatoid arthritis and vasculitis, who was treated with high doses of corticosteroids and intravenous cyclophosphamide, developed miliary tuberculosis that was heralded by a tenosynovitis in her right wrist. A 1-year course of anti-tuberculous therapy resulted in complete resolution of the tenosynovitis and disseminated infection.

Aged↗

Distinctive features of idiopathic inflammatory myopathies in French Canadians.

This is the first report on idiopathic inflammatory myopathies (IIM) in French Canadians. We reviewed retrospectively 30 French Canadian adults (20 women and 10 men) with IIM seen consecutively over 12 years. The median age at diagnosis was 45 years. The IIM were 8 (27%) primary polymyositis (PM), 9 (30%) primary dermatomyositis (DM), 5 (17%) IIM with neoplasia (lymphoma, breast, esophageal, colonic, and skin cancer) and 8 (27%) IIM with a connective tissue disease (4 with systemic sclerosis, 2 with mixed connective tissue disease, and 2 with rheumatoid arthritis). The most common presenting symptom was proximal muscle weakness (n = 10,33%). Of the remaining 20 patients, 6 (20%) had the onset of their weakness within 1 month of the presenting symptom. Only 3 (10%) patients did not have proximal muscle weakness. Twenty-six (87%) patients had weakness in the pelvic girdle, 25 (83%) in the shoulder girdle, and 7 (23%) in the neck muscles. Other common symptoms included dyspnea on exertion and dysphagia, each present in 13 (43%) patients. Gottron's papules and the heliotrope rash were the most common skin lesions documented in 11 (37%) and 10 (33%) patients, respectively. The serum creatine kinase (CK) level was between 171 and 1,000 U/L in 13 (43%) patients and between 1,001 and 6,000 U/L in 13 (43%) patients. Antinuclear antibodies (ANA) on HEp-2 cells were positive in 16 (53%) patients, of which 2 (13%) expressed autoantibodies to nuclear pore complexes. Autoantibody specificities were anti-La (n = 4, 13%), anti-U1RNP (n = 3, 10%), and anti-Ro (n = 2, 7%). None of the patients expressed anti-Jo-1, anti-topoisomerase I, or anticentromere antibodies. Twenty-eight (93%) patients received corticosteroid therapy, and 8 (27%) patients responded to prednisone alone. Thirteen (43%) patients were treated with methotrexate, and 9 (69%) responded. The mean follow-up was 62 months: 23 (77%) had their disease controlled, 3 (10%) patients were lost to follow-up, and 4 (13%) died (no death occurred because of IIM or its treatment). Therapy was discontinued because of remission in 5 (17%) patients. Cumulative survival rates at 2, 5, and 10 years were 89%, 89%, and 85%, respectively. The presence of autoantibodies to nuclear pore complexes and anti-La autoantibodies, the rare occurrence of anti-Jo-1 autoantibodies, the response to conventional therapies, and a high survival rate may distinguish IIM in French Canadians from that of other reported series.

Adult↗

Autosplenectomy in systemic lupus erythematosus.

Autosplenectomy in systemic lupus erythematosus (SLE) is associated with a high mortality rate due to Streptococcus pneumoniae sepsis. We describe 2 patients who developed autosplenectomy in the setting of an acute SLE exacerbation. Followup of both patients 12 and 5.5 years after the initial diagnosis of autosplenectomy revealed persistent absence of the spleen. Pneumococcal vaccine was given to both patients. In contrast with reports describing life threatening infections in 46.7% of asplenic patients with SLE, none developed during prolonged followup of our patients. Our data and review of 13 other patients with SLE with autosplenectomy suggest that the 23-valent pneumococcal vaccine should be given promptly to patients with SLE when a diagnosis of autosplenectomy is established.

Adult↗

Onset of rheumatoid arthritis after surgical treatment of Cushing's disease.

We describe a patient with Cushing's disease who, shortly after trans-sphenoidal surgical resection of an adrenocorticotropic hormone secreting pituitary microadenoma and specifically at the time of normalization of her serum cortisol level, developed a subacute episode of symmetric polyarticular synovitis. This episode lasted for one month; however, it did not resolve completely and progressed after 3.5 years of diffuse arthralgias and morning stiffness to seropositive and erosive rheumatoid arthritis (RA). Review of the literature revealed 3 additional patients with RA with a similar course. These patients may represent a natural illustration of the antiinflammatory effects of supraphysiological levels of endogenous glucocorticoids.

Adenoma↗

Juvenile reflex sympathetic dystrophy: a case report.

We report a case of reflex sympathetic dystrophy in a 10-year-old girl who presented with a two months history of severe pain and paresthesia in her right lower extremity. The patient made a very good recovery after two months of treatment with steroids and physical therapy.

Child↗