Suchergebnisse - M. A. Kropotov

Acinic cell carcinomas (ACC) constitute 5 to 11 % of all salivary gland cancers. ACCs arise from the reserve precursor cells of the terminal and intercalated ducts. The tumor results from the neoplastic proliferation and aberrant differentiation of reserve pluripotent cells that are normally located...

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The paper analyzes the results of surgical treatment in 57 patients with recurrent oropharyngeal cancer after an ineffective chemoradiaton therapy cycle performed in 1995 to 2014.It shows that it is important to estimate the extent of a tumor process by different methods and to choose a surgical app...

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Background. The incidence of HpV-associated oropharyngeal squamous cell carcinoma (oscc) is steadily increasing. given the better prognosis in patients with HpV-positive cancer compared to HpV-negative cancer, attempts were made to reduce the therapeutic effect in patients with early-stage oscc to i...

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Skin cancer is the second most common tumor among non-melanoma malignant skin neoplasms, accounting for 20 % of cases. In the Russian federation in 2022, this pathology was identified in 79,124 people. The peak incidence occurs in the age range of 60–70 years. Considering the increasing life expecta...

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Multiple approaches are currently available for treatment of oropharyngeal cancer. Particular attention is usually paid to preservation of the normal shape of the organ and maintenance of the quality of life in patients. Early-stage oropharyngeal cancer can be treated by both radiotherapy and surger...

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Introduction. Head and neck cancers are a significant healthcare and social problem worldwide with an estimated 377,713 new cases and 177,757 deaths registered annually. The incidence of head and neck cancer in Russia is 4.12 per 100,000. Despite all the achievements of current oncology, approximate...

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Introduction. Squamous cell carcinoma of the oral mucosa advances into the mandible in locally advanced tumors in 13–38 % of cases. Frequently, this situation requires inclusion of segmental resection of the mandible into the surgical plan. This approach requires adequate reconstruction for preserva...

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Aim of study: improvement of functional and aesthetic results of microsurgery reconstructions of the lower jaw due to the use of the methodology of 3D modeling and 3D printing. Application of this methodology has been demonstrated on the example of treatment of 4 patients with locally distributed tu...

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The paper deals with current trends in the diagnosis and treatment of locally advanced, recurrent and metastatic medullary and low-grade thyroid cancer. It highlights problems in the diagnosis and surgical treatment of this pathology on the basis of our clinic’s experience. Data on global trends in...

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Osteosarcoma of jaw is a rare malignant neoplasm of the maxillofacial region. Morphologically and radiologically identical to trunk and extremities sarcomas, but clinical features and prognosis of the disease have important differences. The strategy in treatment of gnathic sarcomas extrapolated from...

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Myxoma is a benign tumor of connective tissue. Myxomas are located in all organs, but very rarely in the head and neck area; a few cases of their involvement have been reported in the world literature. According to the authors’ data, these tumors have demonstrated a benign clinical course with a rec...

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Introduction. Segmental mandibulectomy with exarticulation and single-step reconstruction is an important problem of craniomaxillofacial surgery. Revascularized autotransplants (iliac crest, fibula free flaps) are used to reconstruct defects of the mandible and restore joint function.Aim. To evaluat...

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The article is determined to the analysis of different types of plastic reconstruction of the external nose with local and combine flaps after radical surgery in oncology. Reconstruction of the external nose is discussed under consideration of experience of our research center, which includes surgic...

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The article contains information about current trends of treatment of the locally advanced oropharynx cancer. We analyzed the results of chemoradiation treatment, and surgery treatment of patients with rudimentary tumors after the chemoradiation therapy, taking into account the tumor margin, which g...

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Introduction. Neoplasms of the orbit and periorbital region are usually represented by tumors of the eyelid skin  skin of the periorbital region  and paranasal mucosa. The most common histological types of this pathology are squamous cell and basal cell carcinomas. The main indications for orbital e...

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Salivary gland carcinomas is a rare family of neoplasms with different histological characteristics and biological behavior. Treatment regimens have remained virtually unchanged for decades, leaving the leading role for surgical treatment and radiation therapy. However, a special place in the saliva...

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Introduction. In recent times, changes in epidemiology of tongue cancer have been observed. morbidity among nonsmoking and non-abusing alcohol young women have been rising. Currently, etiology and pathogenesis of tumor development in this nosological group are unclear and require detailed analysis o...

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Introduction. Surgery at the first stage has always been the gold-standard treatment for locally advanced head cancer of almost all locations. Such patients often have significant postoperative defects that cause serious functional and aesthetic disorders. This requires simultaneous defect repair. T...

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Introduction. The main part among all malignant neoplasms of the oral cavity is tongue cancer, the leading method of treatment of which is surgery. Surgical treatment leads to a violation of such important functions of the language as speech and swallowing, which in turn reduces the quality of life...

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Introduction. In case of cancer of the oral mucosa at the first stage, the standard treatment approach is radical surgical intervention, with the formation of extensive defects leading to aesthetic and functional disorders. Taking into account the characteristics of defects, choosing a flap is a dif...

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