Under the term "acne colloidienne," Brocq1 describes a "rare variety of acne in which the lesions are scattered here and there in an irregular manner upon the cheeks but which is characterized by the fact that the perifollicular tissues, the site of the lesions, become light yellow, transparent, colloid-like in aspect. These lesions are secondary to acneic eruptions, which fact, together with their peculiar distribution, differentiates them from colloid milium. Their resemblance to disseminated lupus vulgaris is extremely close and their relationship to this latter very difficult to decide. In certain respects they resemble the tuberculides."
A study of the literature reveals no further reference to colloid acne.
REPORT OF CASES
R. N., a woman, white, blonde, aged 18, had had acne vulgaris for five years.When first observed, this patient presented seven colloid lesions scattered here and there on the face. They were accompanied by new
GREENBAUM SS. COLLOID ACNE: IS COLLOID ACNE A FORM OF COLLOID MILIUM? Arch Derm Syphilol. 1923;8(3):416–419. doi:10.1001/archderm.1923.02360150093010
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