THE PHENOMENON OF «TUMOR-TO-TUMOR METASTASIS». DESCRIPTION OF OWN CLINICAL OBSERVATION OF METASTASIS OF SMALL CELL LUNG CANCER INTO THE THYROID GLAND, IN TURN AFFECTED BY OCCULT PAPILLARY CANCER

A.Z. Almyashev, R.A. Ulyankina

National Research Mordovian State University named after N.P. Ogarev, Saransk

Almyashev Ali Z. ― Cand. of Sci. (Med.), Associate Professor, Head of the Department of Oncology with the course of radiation diagnostics and radiation Therapy of the Medical Institute, National Research Mordovian State University named after N.P. Ogarev

26A Ulyanov Str., Saransk, 430032, Russian Federation, tel. (8342) 32-19-83, e-mail: inst-med@adm.mrsu.ru

Abstract. A rare clinical case is presented: metastasis of one type of cancer (small cell lung cancer) to another (metastasis of occult papillary thyroid cancer to cervical lymph nodes). The issues of features of clinical and morphological diagnostics and the choice of possible treatment tactics are discussed.

Key words: thyroid cancer, small cell lung cancer, clinical experience.