CP and thyroid gland mucosa-associated lymphoid tissue lymphoma: Recently the role of Cp has been proposed in the pathogenesis of other non gastrointestinal MALT, since Cp DNA has been recently evidenced as in all tested lung MALT lymphomas, in 30% of thyroid MALT lymphomas, 25% of skin MALT lymphomas and 13% of salivary gland MALT lymphomas.