Ann Dermatol Vener
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Fluoroscopically guided interventional procedures expose patients to high doses of ionizing radiation. ⋯ About 20 cases of radiodermatitis following coronary angioplasty have been reported in the literature since 1996. The cumulative radiation doses to which the patients were exposed are compatible with the occurrence of radiodermatitis. Coronary angiography using fluoroscopy and cineradiography delivers notably higher radiation doses than any other routine procedure. Even higher levels of radiation may result from percutaneous transluminal angioplasty, which is a more complicated and lengthier procedure frequently repeated. Radiodermatitis have been described during many other vascular procedures like radiofrequency catheter ablation, renal angioplasty, interventional neuroradiologic and hepato-biliary procedures. Medical facilities and physicians performing interventional procedures should be aware of these sides effects and implement measures to reduce the potential for radiation skin injuries.
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A few cases of patients with both purpuric pigmented dermatitis and cutaneous lymphoma have been reported. The aim of this study was to evaluate the prognosis of purpuric pigmented dermatitis. ⋯ This study shows that purpuric pigmented dermatitis can be associated to or evolve into lymphoproliferative disease. This course should be suspected when purpuric pigmented dermatitis is extensive, long-lasting (> 1 year), has a reticular arrangement and negative patch-testing. In this situation, a long-term follow-up and treatments indicated in the early patch stage of mycosis fungoides (PUVA therapy, chlormethine) seem adequate.
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Erosive pustular dermatosis of the scalp is a rare and chronic dermatosis of unknown etiology with non specific histology and without effective treatment. It affects mostly old women. We have observed a 80 year-old male suffering from an erosive pustular dermatosis of the scalp following application of 5 p. 100 fluorouracile cream (Efudex) and his resistance to various treatments including skin graft. ⋯ This recurrence of erosive pustular dermatosis of the scalp following skin graft had never been previously observed before, showing that removing affected skin did not control the disease, suggesting that anti-inflammatory agents probably originating from trauma persist.
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Practice Guideline Guideline
[Systemic treatment of acne: recommendations. The French Agency of Sanitary Safety of Health Products].