Salivary duct carcinoma arising in IgG4-related autoimmune disease of the parotid gland Gill J et al. - The adjacent noncarcinomatous areas, submandibular gland, and regional lymph nodes also contained plasma cells immunoreactive to IgG4 with densities higher than 100/hpf. To the best of the authors' knowledge, this case is the first documentation of malignancy occurring in a background of IgG4-related autoimmune disease of the salivary gland. [more...]
