SURGICAL ANATOMY OF POSTERIORMEDIAL SURFACE OF THYROID GLAND

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Aim. To study the clinical anatomy of the lateral lobes posterior surface of the thyroid gland, using a complex of morphological techniques. Material and Methods. The morphological part of the study: 426 - unfixed corpses of people, who died suddenly from diseases, not related to the pathology of the neck at the age of 18-85 years (52±16) - 290 of males, 136 of females. Results and Discussion. Retrothyroidei processus (RTP) met in 209 organocomplexes of 426 (49%). On 42 (10%) preparations, RTP were discovered simultaneously at the right and left of the median line. In both sexes, the height of the RTP was larger than the width, and the width was greater than the thickness. In both men and women, the predominant location of the RTP at the level of the upper third of the lateral lobes was four times more frequent than at the lower third and 1.5 times more often than at the middle third level. Conclusions. Thus, in half of all observations in norm on the posterior surface of the lateral lobes, formations of various shapes and sizes were found, closely associated with the underlying tissue of the thyroid gland, the so-called retrochite processes. Most often they are at the level of the upper third of the height of the right lateral lobe. In thyroid surgery, the posterior surface of the lateral lobes of the thyroid gland should be carefully inspected to prevent the incomplete removal of the RTP with possibly localized neoplastic nodes.