Most patients present with swellings or asymptomatic masses. Sometimes patients also have a yellow or tan colouring to their skin.<unk>  patients may also have proteinuria or progressive chronic kidney disease.
Crystal-storing histiocytosis
Sea-blue histiocytosis
X-type histiocytosis
Langerhans cell histiocytosis
Non-Langerhans cell histiocytosis
Non-X histiocytosis
Malignant histiocytosis
Progressive nodular histiocytosis