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March 1984

Atypical Melanocytic Tumors in Children

Author Affiliations

Service de Dermatologie Hôpital des Enfants 168 cours de l'Argonne 33077 Bordeaux Cedex, France

Arch Dermatol. 1984;120(3):297-298. doi:10.1001/archderm.1984.01650390019001

To the Editor.—  The report by Eng (Archives 1983;119:35-37) of nine clinically and histologically atypical melanocytic tumors in children emphasized the uncomfortable position of the dermatologist in charge of such a patient (and of the patient's family). As she pointed out: "It is impossible to predict the course of these lesions (termed active junctional nevi in the text) if left untreated, since they were excised with clear margins."We treated a patient with what we considered to be a malignant tumor; thus, we excised the lesion with larger than usual margins.

Report of a Case.—  A 6-year-old boy was examined by one of us (J.P.M.) for a 6-mm pigmented lesion of the right buttock (Fig 1). His parents had noticed the appearance of this pigmented lesion in the first months of life. Its size had increased regularly and slowly; it maintained a homogeneous brown hue. After trauma, but one year

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