Diagnosis of Langerhans Cell Histiocytosis on Fine Needle Aspiration Cytology: A Case Report and Review of the Cytology Literature

Figure 1

FNA smear from frontal mass showing single and loosely clustered Langerhans cells admixed with neutrophils, lymphocytes and, reactive histiocytes. Two foamy macrophages containing hemosiderin are seen in the centre (Papanicolaou stain, original magnification, ×400).