Immunohistochemical localization of CD1 in parathyroid adenoma (A) and parathyroid carcinoma (Ca). Whereas the adenoma cells generally showed a weak to moderate staining, parathyroid carcinoma cells displayed a variable immunostaining for CD1: carcinoma cells strongly positive from CD1 varied with only weakly stained tumor cells. Th: Thyroid tissue. Bar: 100 μm.
Temmim et al. Diagnostic Pathology 2008 3:46 doi:10.1186/1746-1596-3-46