[Possibilities in biological diagnosis and therapy of neoplastic pathology of the oral cavity].

After a brief summary of the role played by immunity in preventing the development of malignant neoplasms, the AA. in a speedy sequence treat of tumoral markers and their possibilities in diagnostic use. Then AA.

[Clinical and immunological aspects of Lichen ruber planus].

Clinical and histopathologic features of lesions in lichen r. planus are characteristic of inflammatory reaction: this it is possible some pondering on immunologic performance related to uncertain etiology of the disease.