Chẩn đoán phân biệt tím tái, melanosis khuếch tán từ khối u ác tính di căn, tăng sắc tố từ các loại thuốc khác, chẳng hạn như minocycline, vàng, hoặc ngưng trị liệu phenothiazin dẫn xuất của tiếp xúc với bạc, tránh ánh nắng mặt trời | Arteritis of the aged 65 Differential diagnosis Cyanosis diffuse melanosis from metastatic melanoma hyperpigmentation from other drugs such as minocycline gold or phenothiazine derivative Therapy Discontinuation of exposure to silver avoidance of sun exposure chelating agents such as dimercaprol BAL References Humphreys SD Routledge PA 1998 The toxicology of silver nitrate. Adverse Drug Reactions Toxicological Reviews 17 2 3 1115 143 I----------- Argyrosis Argyria Arrid XX Aluminium chlorohydrate I-------------------------------------- Arsenical keratosis Synonym s None Definition Punctate keratoses of the palms and soles occurring after long-term exposure to inorganic trivalent form of arsenic Pathogenesis Inorganic arsenic retained in the body for long periods after exposure because of poor detoxification mechanisms affecting many enzymes by combining with sulfhydryl groups acting as a cancer promoter through its action on chromosomes Clinical manifestation Punctate non-tender hard yellowish often symmetric corn-like papules mainly on the palms and soles pressure points commonly involved sometimes coalescing to form large verrucous plaques Differential diagnosis Keratosis palmaris et plantaris clavus wart nevoid basal cell carcinoma syndrome porokeratosis psoriasis of the palms and soles lichen planus Darier disease Bazex syndrome pityriasis rubra pilaris Therapy Acitretin destructive modalities such as electrosurgery liquid nitrogen cryotherapy and laser vaporization References Yerebakan O Ermis O Yilmaz E Basaran E 2002 Treatment of arsenical keratosis and Bowen s disease with acitretin. International Journal of Dermatology 41 2 184 87 I--------------------------------------- Arteriovenous malformation Vascular malformation I--------------------------------------- Arteritis cranialis Temporal arteritis I--------------------------------------- Arteritis of the aged Temporal arteritis A 66 Arteritis temporalis 1 Arteritis temporalis References Sanchez MR Lee M .
