Difficulties of differential diagnostics of laryngeal tumors with using of high-technologic radiological imaging modalities
Yu. N. Priporova , B. V. Kuts , V. V. Ipatov , V. S. Ushakov , A. L. Serebryakov , I. V. Boykov
Bulletin of the Russian Military Medical Academy ›› 2019, Vol. 21 ›› Issue (1) : 31 -37.
Difficulties of differential diagnostics of laryngeal tumors with using of high-technologic radiological imaging modalities
Retro-and prospectively were examined 54 patients. All the patients were forwarded for radiologic imaging after video endoscopic examination. The latter were performed on magnetic resonance and computed tomographs, combined with positron emission and computed tomography. In radiologic imaging modalities laryngeal malignancies were detected as tumors with heterogeneous iodine-containing and gadolinium-containing semi-molar contrast agent uptake, so as with increased uptake of 18-fluorodeoxyglucose in positron-emission and computed tomography and increased signal intensity in diffusion- weighted magnetic resonance imaging. For metastatic lymph nodes, it was typical to increase their size with an increase in radiopharmaceutical metabolism and signal intensity during diffuse-weighted magnetic resonance imaging. Metastases were characterized as solitary or multiple focal lesions with increased contrast agent and radiotracer uptake. Complex using of magnetic resonance imaging and computed tomography, as far as magnetic resonance imaging, computed tomography and positron-emission and computed tomography in such cases as tumor is unseen in imaging but is detected with laryngoscope examination, can increase the possibility of laryngeal malignancy, regional and distant metastases detection as far as provide differential diagnostics of neoplastic and inflammatory cause of disease.
laryngeal tumor / videolaryngoscopy / magnetic resonance imaging / computed tomography / combined positron-emission and computed tomography / 18F-deoxyglucose / metastases / lymph nodes
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Priporova Yu.N., Kuts B.V., Ipatov V.V., Ushakov V.S., Serebryakov A.L., Boykov I.V.
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