Pencil-core granuloma
نویسندگان
چکیده
منابع مشابه
Pencil-core granuloma*
Pencil core granulomas are still infrequently reported in the literature. A 67-year-old woman presented with a 4mm hard blue subcutaneous nodule on the forehead. She remembered being injured with a pencil tip about 60 years before. The subcutaneous nodule was excised, which microscopically revealed a foreign body reaction with histiocytes containing fragmented coarse black particles. We diagnos...
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Nanoparticles or powders [1–3] show many novel properties different from those of bulk materials and have inspired extensive experimental and theoretical researches. Many physical and chemical methods have been developed to produce metal, alloy, compound or composite nanoparticles. The most basic way for metal nanocrystal growth is to evaporate bulk metal by heating in an inert gas environment....
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A case of pencil-gore granuloma occurring 45 years after he initial injury is described. The clinical and radiological presentation was suggestive of a soft-tissue sarcoma. The diagnosis was confirmed by biopsy, which also revealed foreign body fragments which, on spectometric analysis, had high concentrations of carbon and aluminium.
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Pencil core granuloma is characterized by a delayed foreign-body reaction against retained fragments of pencil lead. Previous case reports presented pencil core granuloma resembling malignant melanoma, haemangioma, or soft tissue sarcoma. We present a case of pencil core granuloma arising from the palm 25 years after the initial injury. The patient presented a bluish nodule that had been presen...
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and sewage is to be properly removed. Most soldiers have been brought up in an environment where these standards are the rule. The degree to which such standards can suddenly be furnished and maintained within large hurriedly constructed Army camps in wartime, and provided for the soldier in the field, and for the soldier in combat, was the monumental task described in this volume. It is a reco...
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ژورنال
عنوان ژورنال: Anais Brasileiros de Dermatologia
سال: 2017
ISSN: 0365-0596
DOI: 10.1590/abd1806-4841.20176011