Summary
Localized cutaneous argyria is a rare condition secondary to skin deposition of silver following exposure to substances containing this metal. The clinical appearance and dermoscopy findings require deep melanocytic lesions and particularly melanoma metastasis to be ruled out. Silver deposits are usually confirmed by scanning electron microscopy and/or energy‐dispersive X‐ray spectroscopy. Herein we describe the in vivo reflectance confocal microscopy (RCM) features observed in one case of localized cutaneous argyria. These features include the presence of a hyperrefractile network in the papillary dermis and a periadnexal dotted bright pattern. In vivo RCM might be a useful tool for an early diagnosis of this uncommon entity.
Fluoroscopy-induced chronic radiation dermatitis resulting from prolonged exposure to ionizing radiation during interventional procedures has been documented in the medical literature. However, this condition often requires a high clinical suspicion in order to establish a correct diagnosis. In this report, the development of deep scalp ulceration with bone exposure following the endovascular coiling of an anterior communicating artery aneurysm 8 years before is described. A skin biopsy specimen demonstrated changes consistent with chronic radiation dermatitis and ruled out malignancy. This case report expands the clinical manifestation spectrum of fluoroscopy-induced chronic radiation skin injury and highlights the importance of recognizing these lesions early to prevent morbidity related to radiation-induced skin damage.
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