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1/84. A case of guttate psoriasis following Kawasaki disease.

    We report a case of guttate psoriasis following Kawasaki disease, in a patient with staphylococcus aureus demonstrated in a throat swab. We suggest that preceding staphylococcal infection can play a key role in the pathogenesis of some cases of guttate psoriasis, possibly by the production of superantigens. ( info)

2/84. Simultaneous occurrence of folliculitis decalvans capillitii in identical twins.

    folliculitis decalvans is a chronic purulent folliculitis resulting in permanent hair loss and follicular atrophy. We report 32-year-old identical female twins presenting with relapsing pruritic outbreaks on the scalp resulting in areas of permanent baldness. staphylococcus aureus was detected in the lesions of both women. Histopathology confirmed the diagnosis of folliculitis decalvans. Immunological testing showed no alteration of the immune system. To our knowledge, this is the first report on folliculitis decalvans occurring in identical twins, suggesting a possible genetic component in this disease. ( info)

3/84. Atopic dermatitis as a risk factor for acute native valve endocarditis.

    Colonization of staphylococcus aureus is commonly observed in skin lesions of atopic dermatitis (AD) patients, and scratching of the pruritic lesions may lead to reiterative bacteremia. It is possible that acute native valve endocarditis may develop in a patient with uncontrolled AD; the latter condition may be a risk factor for the former. We report two cases of acute aortic and/or mitral valve endocarditis complicated with recurrent cutaneous infections caused by severe AD. The patients underwent successful surgical treatment of the heart lesions, plus intensive postoperative antibiotics and skin treatment for AD. ( info)

4/84. Specific cutaneous infiltrate caused by staphylococcus aureus in a patient with chronic myelomonocytic leukemia.

    We present a patient with chronic myelomonocytic leukemia who showed disseminated papules and nodules. Arguments in favor of leukemia cutis are the clinical appearance, the cyclic pattern with which the lesions appeared and disappeared, and the histologic features. The lesions reproducibly responded to treatment with antibiotics given for a staphylococcus aureus infection. We speculate that at least in some patients, leukemic cells are recruited in the skin because of local infection and do not merely reflect autonomous growth but an inflammatory response. ( info)

5/84. Septic embolization arising from infected pseudoaneurysms following percutaneous transluminal coronary angioplasty: a report of 2 cases and review of the literature.

    Septic embolization arising from infected pseudoaneurysms following percutaneous transluminal coronary angioplasty (PTCA) constitutes a distinct clinical and histopathologic entity. Pseudoaneurysms are a potential complication of both cardiac catheterization and PTCA. Repeated or prolonged catheterization increases the risk of bacterial seeding of these sites, resulting in septic embolization. Characteristic clinical features include fever within 2 to 5 days, unilateral embolic disease, and staphylococcus aureus septicemia. culture and examination of biopsy specimens of the embolic lesions typically demonstrate gram-positive microorganisms. We describe 2 patients presenting with ipsilateral palpable purpura, petechiae, and livedo reticularis caused by septic emboli from infected pseudoaneurysms. The recommended treatment includes administration of appropriate systemic antibiotics and surgical resection of the infected pseudoaneurysm. Both cholesterol and septic emboli should be considered in the differential diagnosis of ipsilateral embolic disease induced by invasive vascular procedures. ( info)

6/84. sepsis as an unusual event in dyskeratosis follicularis.

    Dyskeratosis follicularis is a genetic disorder characterized by pathogenetic changes of keratinization. We report on a severe case of the disease with an unusual manifestation involving Staphylococcal sepsis. The patient was treated systemically with infusions, oral antibiotics, and retinoids. Antiseptics, keratolytic ointments, and creams were given topically to promote epithelization. His condition improved dramatically after 14 days of treatment. All erosions of the trunk, extremities, neck, and head had epithelized. We suspect that extreme sun exposure and neglect of care on genetically susceptible sites triggered the sepsis. ( info)

7/84. Cutaneous botryomycosis of the cervicofacial region.

    BACKGROUND: Botryomycosis is a rare, chronic, bacterial infection of insidious onset involving the integument or viscera that often mimics actinomycosis or a deep fungal infection. The pathogenesis is thought to be a symbiotic relationship between the host and the infecting organism. methods: Case report of a patient with a chronic infection involving the cervicofacial region diagnosed as cutaneous botryomycosis arising from a chronic osteomyelitis of the mandible. The diagnosis was based on the chronicity of the infection along with the identification of botryomycotic (bacteria-containing) granules on histopathologic examination. Special stains excluded fungi and mycobacterium. Cultures identified the offending bacteria, and antibiotic therapy was initiated on the basis of the sensitivities, resulting in resolution of this chronic infectious process. A review of the English language literature revealed that this is the first case of cutaneous botryomycosis arising from a chronic osteomyelitis of the mandible. RESULTS: Medical therapy proved curative at 14 months follow-up. Surgery was performed for diagnostic purposes only. CONCLUSIONS: Botryomycosis is exceedingly rare in the head and neck, and consideration of this entity in the differential diagnosis is critical to the diagnosis. The mainstay of therapy is medical with surgery reserved for biopsy and/or excision of persistent disease. Published 2001 John Wiley & Sons, Inc. ( info)

8/84. The desire to be fashionable. Should we consider it a risk factor for infection in adolescents with acute leukaemia?

    Three cases of skin infection, two with pseudomonas aeruginosa and one with staphylococcus aureus in three adolescents with acute leukaemia are described. In all cases the infection was clearly related to the latest fashion in shoes. This report underline the fact that factors related to everyday life and less frequently considered than those related to the underlying illness can also put increase the risk of developing severe infections in immunocompromised patients. ( info)

9/84. Transient CD30 nodal transformation of cutaneous T-cell lymphoma associated with cyclosporine treatment.

    BACKGROUND: mycosis fungoides (MF) may evolve from pre-existing chronic atopic or psoriasiform dermatitis and the histology can be equivocal. Early patch and plaque lesions of MF may evolve into tumors, disseminate to lymph nodes, bone marrow, and internal organs, and/or undergo transformation to a large cell size. methods: A patient with a history of "atopic dermatitis" followed by "psoriasis" rapidly developed exfoliative erythroderma and axillary lymphadenopathy following treatment with cyclosporine. At presentation, biopsy specimens of skin lesions and lymph nodes and staging were obtained. We present the treatment and follow-up of this patient and review the medical literature for similar cases. RESULTS: Multiple skin biopsy specimens from lesions revealed changes consistent with low-grade, cutaneous, T-cell lymphoma (MF) without evidence of large cell transformation and psoriasiform epidermal hyperplasia. CD30 large cell transformation was present in the lymph node. Adenopathy and erythroderma resolved without systemic therapy following discontinuation of cyclosporine and treatment with psoralen/ultraviolet A (PUVA), isotretinoin, interferon-alpha, and antimicrobials. CONCLUSIONS: This case documents a close relationship between atopy, psoriasis, and the development of cutaneous T-cell lymphoma, and illustrates that an immunosuppressive agent, cyclosporine, can dramatically alter the course of the disease. ( info)

10/84. Coexistent infections on a child's distal phalanx: blistering dactylitis and herpetic whitlow.

    We report a case of coexistent staphylococcus aureus and herpes simplex virus (HSV) infections responsible for a bullous and vesicular eruption on a child's distal phalanx. Blistering distal dactylitis (BDD), a superficial infection of the distal portion of the finger, is seen most commonly in children and is caused by either beta-hemolytic streptococci or S aureus. Herpetic whitlow, also a blistering infection found on children's distal fingers, is a bacteriologic sterile infection caused by HSV-1 or HSV-2. In this report, we note that these infections may coexist on the distal phalanx. This case has implications for diagnosis and treatment of children's blistering hand diseases. ( info)
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