[Benign node in thyroid gland: "let's operate", "let's observe" or "let's try to treat"?].
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Humans↗
Biomedical subjects
S I Rybakov
Publications and source records attributed to S I Rybakov.
[The role of computer tomography in differential diagnosis of benign and malignant tumors of the adrenals cortex].
Possibilities of computer tomography (CT) application for differential diagnosis of tumors of the adrenal cortex (TAC) were studied. CT was conducted in 157 patients with TAC, including 75--with malignant (MTAC), 82--with benign (BTAC), permitting to revealed MTAC in 76% patients. In 17.1% patients with BTAC false-positive results were noted, reducing, thus, the method diagnostic value. While the trustworthy signs of malignancy are absent, it is necessary to conduct morphological verification of the adrenal tumors nature using puncture biopsy and/or intraoperative express-cytological investigation.
Adenoma↗
[Using ultrasound investigation in differential diagnosis of adrenal malignant tumors].
Possibilities of ultrasound investigation (USI) application for differential diagnosis of the suprarenal glands tumors (SGT) were studied. USI was conducted in 169 patients with SGT, including 95 with malignant tumors of suprarenal glands (MTSG) and 64--with benign SGT. USI constitutes the main method of screening, permitting to reveal SGT in 90.5% of patients. Diagnostic criterions of MTSG were: diameter of tumor exceeding 10.1 cm, incorrect form, irregular edges, presence of invasion, lymphadenopathy, regional and remote metastases. In 45.3% of observations it was possible to establish the MTSG diagnosis, using USI.
Adrenal Gland Diseases↗
[Using magnetic-resonance tomography in differential diagnosis of the adrenal glands malignant tumors].
Possibilities of application of magnet-resonance tomography (MRT) for differential diagnosis of the adrenal glands tumors were studied up. MRT was conducted to 39 patients with adrenal glands tumors, including 22 - with malignant adrenal gland tumor, 17 - with benign tumor of adrenal gland. MRT constitutes the most effective method of topic diagnosis of the adrenal glands tumor, owes multipurpose possibilities, do not deliver radiation load, permits to visualize the vessels without the contrast media usage. The tumor diameter more than 10,1 cm, irregular form, illegible edges, uneven contours, presence of lymphadenopathy, regional or remote metastases constitutes diagnostic criterions of the adrenal glands malignant tumors. The intensity of MRT signal could not be used for differential diagnosis of malignant and benign tumors of adrenal glands.
Adrenal Gland Diseases↗
[Classification of malignant tumors of suprarenal glands].
The extent of diagnostic possibilities of medical technique, permitting to reveal the majority of suprarenal tumors, and the most modem information technologies as well demands creation of the suprarenal tumors applicable classification, well-adopted for physician in practice and also for scientist dealing with analysis of the investigation results in these pathology. Taking into account hormonal activity of majority of tumors, influencing the patients management tactic, the authors propose the insight on suprarenal tumor diagnosis of their own.
Adrenal Gland Neoplasms↗
[Application of the puncture biopsy in diagnosis of malignant tumors of suprarenal glands].
Possibilities of application of the fine-needle aspiration puncture biopsy (FNAPB) in diagnosis of suprarenal glands tumors were studied. Of 43 patients, to whom FNAPB was performed, in 27 the suprarenal gland tumor was diagnosed, in 11--renal tumor, in 5--the puncture biopsy material occurred noninformative. Of 27 patients with tumor of suprarenal gland in 15 it was malignant, in 11--benign adenoma and cyst of suprarenal gland were revealed. FNAPB of the suprarenal gland tumor is a safe, informative and in some situations curative method. FNAPB is recommended for diagnosis of primarily revealed tumors of suprarenal glands more than 2 cm in diameter. The procedure should be performed by specially trained physician, who determines technical conditions of its conduction by himself and possesses the method o fultrasonography. Data of cytological investigationspermits to differentiate benign and malignant tumor, to determine the tumor type, what constitutes diagnostic background for the tactic choice of surgical intervention and the disease prognosis.
Adrenal Gland Neoplasms↗
[Results of treatment of parathyroid gland cancer].
Carcinoma of parathyroid glands is characterized by relatively slow course, frequent recurrence after performance of operation. Authors were observed 8 patients, operated in 1967-2001, what had constituted 6% of all quantity of the primary hyperparathyroidism observations. Early diagnosis and performance of adequate surgical intervention promote the efficacy of treatment raising and the prognosis improvement. Most favourable prognosis was noted after performance of primary radical operation. In most observations the performance of reoperation guarantee long-lasting remission, but rarely constitutes the radical measure.
Adult↗
Isoforms of protein kinase C and their distribution in human adrenal cortex and tumors.
The cytosol and microsomal fractions of human adrenal cortex contain 3 isoforms of protein kinase C: alpha, zeta, and epsilon. The latter fraction is present in trace amounts. No isoforms beta1, beta2, gamma and delta were found in these cell fractions. The distribution of alpha-isoform between the cytosol and microsomal fraction is determined by tissue origin: in normal tissue its content differs by no more than 10%, while in most tumors this isoform is translocated into the microsomal fraction. The distribution of zeta-isoform did not depend on tissue origin.
Adrenal Cortex↗
[Reoperations in thyroid gland cancer].
Results of reoperation for the thyroid gland cancer (THGC) were analyzed in 189 patients for 1981-2001 yrs period. Majority of patients were primarily operated in other hospitals of Ukraine. Thorough characteristic of the cancer forms, terms of reoperation performance, results of histological investigation of the tumor are adduced. Large frequency (41.2%) of the operation performance for THGC recurrences in term up to one years after performance of primary intervention trusts the necessity of operative intervention performance on thyroid gland (THG) in specialized centre by experienced surgeons. Absence of malignant growth in the THG stump while performance of definitive thyroidectomy in 60% of observations is not the cause to reject of doing it because the conduction of radioiodine therapy is possible after complete excision of the THG tissue. Examination and ultrasonographic investigation of the THG region and of cervical lymphatic nodes after performance of operation for THGC is recommended to conduct no less than once in 6 months.
Adolescent↗
[Reflecting the mode of metastasizing of the thyroid gland tumor in TNM classification].
Essential approaches to the regional metastasizing rubric in TNM system were analyzed. Basing on summary of the results of 466 operations, performed for the thyroid gland cancer including intervention on cervical lymph nodes, the subgroup N alteration in international classification TNM was proposed, permitting to reflect individual clinical situation full to the brim and to achieve significant practical gain in further management of patient. The grading proposed corresponds to general principle, according to which every subsequent rubric must determine more severe affection without combining several types of affection in individual patient.
Glomus Jugulare Tumor↗
[Prophylaxis and methods of correction of the parathyroid insufficiency in surgical treatment of the thyroid cancer].
The state of calcium metabolism in 249 patients after performance of thyroidectomy was studied up. It was established that precisional technique of the surgical intervention performance directed on the parathyroid glands vascularization preservation, is the main prophylactic method for the parathyroid insufficiency occurrence. Indications for the parathyroid tissue autotransplantation application during the performance of thyroidectomy are substantiated.
Humans↗
[Surgical treatment of benign tumors of thyroid gland in children and adolescents].
In 1981-1998 years 552 children and juveniles were operated on for benign tumors of thyroid gland (TG). The enhancement of the revelation frequency of solitary and polynodous goiter and lowering of follicular adenoma and cystadenoma was noted. The tactics of children and juvenile patients with benign TG tumors was proposed, which included an early morphological verification of diagnosis, the puncture biopsy performance as well as intraoperative express-histological investigation. While solitary node in TG existence and preoperatively established its benign essence, extrafascial hemithyroidectomy, using original method, is the operative of choice.
Adolescent↗
[Immune state of patients of various age with the thyroid gland tumor].
The comparative analysis of immune state of the various age patients with benign and malignant thyroid gland (TG) tumors is presented. In the TG cancer the immunogenesis insufficiency is more pronounced. The data obtained trusts the perspectiveness of the immunocorrecting therapy application in patients with the TG cancer.
Adult↗
[Urgent interventions for invasive thyroidal carcinoma].
There was summarized the experience of treatment of the thyroid gland cancer, invading trachea (larynx) and other neighboring structures of the neck in 42 patients, whose state was estimated as severe one and neoplastic process--as nonoperable. Optimal surgical methods were applied depending on clinical signs of thyroidal carcinoma. In 36 patients the palliative resection of thyroid gland (in 6--with tracheostomy addition) was done, in 6--intervention was restricted by tracheostomy formation. The method of tracheostomy formation in cases of massive spreading of tumor along trachea is adduced.
Adolescent↗
[Organ-salvaging surgeries for highly differentiated thyroid cancer in children].
Retrospective analysis of results of organpreserving operations for the thyroid gland cancer (TGC) in 55 children and juveniles for 1981-1997 yrs period was done. The informativity of preoperative cytological (96.4%) and intraoperative express--histological (95.6%) investigations was determined. In cases of the cytological and express--histological diagnosis complexities the possibility of organpreserving intervention of hemithyroidectomy with the isthmus extirpation was noted. Primary thyroidectomy is operation of choice in the established diagnosis of TGC.
Adolescent↗
[Classification of thyroid gland operations].
Classification of operations on thyroid gland depending on the tissue volume preserved and basing on the analysis of surgical treatment of more than 2000 patients was presented. Substantiation and characteristics of its headings permits to take into account the intervention volume, what is peculiarly important during the automatized processing of large masses of information.
Data Collection↗
[The application of radiosurgical methods in the treatment complex of Itsenko-Cushing disease].
More then ten year follow up of 154 patients with Itsenko-Cushing disease (ICD) is presented, of whom in 69-one sided and in 89-bilateral transcatheteric transvenous adrenal glands destruction (TTAGD) was done. In 50% of them the remission of disease for a period of 5-10 years was observed.
Adrenal Glands↗
[Transplantation of organic culture of adrenal grand cortical substance in the treatment of post-adrenalectomy hypocorticoidism].
The organ culture transplantation of the adrenals cortical substance of a newborn piglets was applied while 94 patients treatment to whom total adrenalectomy for Itsenko--Cushing disease was done. Significant lowering of the substitutional hormonal therapy (steroid preparations) dosage was permitted due to the noted improvement of hypocorticism clinical course and an organism hormonal security indexes. The clinical effect duration is 6-9 months. The methods physiologically substantiated, technically simple, economically advantageous, do not cause the side effects.
Adolescent↗