<unk>  not to be confused with "Neonatal<unk>  pustulosis" is a rare skin condition affecting boys and girls equally, characterized by skin lesions that initially present on the head in all cases, often the cheeks, eyelids, forehead, and ears.
Benign cephalic histiocytosis
Langerhans cell histiocytosis
Chronic multifocal Langerhans cell histiocytosis
Sea-blue histiocytosis
Non-Langerhans cell histiocytosis
Progressive nodular histiocytosis
Crystal-storing histiocytosis
Mature T-cell lymphoma