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In each group of lesions with cribriform architecture benign, premalignant and malignant intraductal or infiltratingthere are situations in which histological classification of the lesion is difficult or impossible on routine stains. A more wide-scale application of the immunohistochemical investigation for clearing up the problematic prostate lesions led to the definition and reclassification of cribriform lesions in distinct categories and sometimes very different in terms of progression, prognosis and treatment.
Cellular interactions in prostate cancer genesis and dissemination.
Looking beyond the obvious C. Tomuleasa, G. Kacso, Olga Soritau, S. Susman, A. Irimie, Piroska Virag Similar to normal organs arising from normal stem cells, cancers can be viewed as organs composed of heterogeneous cellular populations arising from cancer cells with indefinite proliferation abilities.
The continuous malignant progression is maintained by the proliferation of cancer stem cells and not the progeny that undergo limited proliferation before terminally differentiating.
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- Prostatita la tineri cum să se trateze
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- Prostatita este tolerată și ce este Prostatita laterală doare Acest articol va vorbi despre prostatita exacerbată la bărbați.
- Aerocycles Haverhill
Effective therapy must eradicate malignant cells with unlimited clonogenic expansion within the primary tumor bulk. Thus, resolving both the specific cell of origin for prostate cancer and the interactions between the cells and the surrounding microenvironment within the cancer stem cell niche are crucial to appropriately define rational targets for therapeutic intervention and cure prostate cancer.
Corresponding normal prostate size cc Ciprian Tomuleasa, e-mail: ciprian. Recent data about the role of human papillomavirus HPV in oncogenesis of head and neck cancer Fl. Schenker Human papillomavirus HPV is a small circular DNA-virus and the high-risk types 16, 18 is implicated in oncogenesis of head and neck cancer - especially oropharynx tonsil and base of tonguepoorly differentiated the basaloid typelocoregional advanced stage, poorly differentiated, at the younger male, non-smokers, non-drinkers, sexual behaviors.
The prognostic is favorable of human papillomavirus tumor status for patients with oropharynx squamous cell carcinoma treated with radiotherapy accelerated fractionation without total dose reduction.
ROMANIAN JOURNAL of MORPHOLOGY and EMBRYOLOGY
Human blastocyst culture in IVF: current laboratory applications in reproductive medicine practice E. Sills, G. Palermo For fertility patients undergoing in vitro fertilization IVFblastocyst culture brings a number of potential advantages over laboratory techniques leading normal prostate size cc traditional cleavage-stage embryo transfer.
Because day embryos normally should transit the oviduct only, their direct exposure to an intrauterine microenvironment is physiologically inappropriate. This mismatch is obviated by blastocyst transfer.
Moreover, the nutritional milieu inside the fallopian tube is not the same as within the endometrial compartment, a feature possibly antagonistic to implantation when a day embryo is placed directly within the uterus. Delaying transfer to day may also improve reproductive outcome by reducing risk of embryo expulsion, given increased myometrial pulsatility measured at day However, rigid reliance on a blastocyst culture approach will more often result in treatment cancellation due to embryo loss no transferor having fewer embryos for cryopreservation.
The development of sequential media to support embryos in extended in vitro culture was a significant laboratory refinement, since it enabled direct observation of embryos to normal prostate size cc transfer selection bias. This approach, in tandem with blastocyst cryopreservation, leads to fewer embryos being transferred and reducing multiple gestation rate. This review discusses key features of human blastocyst culture and its application in clinical reproductive medicine practice.
Based on the degree of cytoarchitectural atypia on microscopic examination, IPMTs are classified as benign, borderline, carcinoma in situ and invasive tumors. Imaging examinations are very important to establish the diagnosis. Two or more tests are usually required. Transabdominal ultrasound, endoscopic ultrasound, computed tomography, magnetic resonance cholangiopancreatography and endoscopic retrograde cholangio-pancreatography have been used for the diagnosis of IPMTs.
The correct diagnosis, achieved until recently only with endoscopic retrograde cholangiopancreatography, can be currently obtained with non-invasive imaging modalities, particularly computed tomography and magnetic resonance imaging.
Confirmation of the diagnosis requires, however, endoscopic-ultrasound fine-needle aspiration biopsy, followed by cytological or microhistological exams. The natural evolution of IPMTs is still not clear and the management is consequently still evolving.
We examined samples of skin biopsies from six patients men, year-oldadmitted for treatment in the Neurology Clinic regarding the presence of partial motor impairment on upper and lower right limbs, facial asymmetry and phrasing impairment three of the patients ; These three patients had family history remarkable for early-onset strokes: mother and two brothers deceased by early strokes year-old.
Skin biopsy samples were fixed in glutaraldehyde and post-fixed in osmium tetroxyde. After dehydration, tissue samples were embedded in Epon. Ultrathin sections were mounted on copper grids and stained with uranyl acetate and lead citrate as usual and examined with a transmission electron microscope Phillips CM In all cases ultrastructural study showed granular osmiophilic material GOM in extracellular locations, between degenerating smooth muscle cells in dermal arteries or in their indentations.
Deposits of GOM varied in size and electron density. Degeneration and loss of smooth muscle cells SMCs leads to abnormal enlargement of the space between these normal prostate size cc Ultrastructural analysis in three cases showed chromatin condensation and peripheral aggregation of nuclear material suggesting cells entry to apoptosis.
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These aspects and the marked destruction of the vascular wall were correlated with MRI findings and the severity of clinical manifestations at these patients. Moreover, electron microscopy analysis of skin biopsies is a useful tool for a differential diagnosis and can be considered as first choice method. Immunohistochemical study of p53 and Ki67 in a group of patients with mammary carcinoma D. Plesan, D. Stoica The study was done over a period of 10 years, and it included mammary cancer patients.
Of the cases, cases of invasive mammary carcinoma included in this study were investigated from an immunohistochemical point of view. The p53 overexpression was more frequently seen in patients under 50 23 cases, that is The positive p53 tumors were more often over 2 cm big.
The invasive ductal carcinomas were ppositive in 40 cases Most cases that had the overexpression of the pprotein 30 cases that is The overexpression of the pprotein was present in all cases that had a heterogeneous phenotype with one of the hormonal receptors being negativein over half of the cases that had both hormonal receptors negative Consequently, Most cases that were p53 positive had an increased proliferation activity, as determined normal prostate size cc Ki The Ki67 immunostaining analysis has made it clear that this marker has positivity presence structura prostatei all cases.
The utility of histopathologic examination in appreciation of mandibular osteoporotic status C. Ratiu, V. Miclaus, T. Ober The study was performed on 14 female patients aged between 54 and 83 years, presented for insertion of mandibular implants and diagnosed with systemic osteoporosis on DXA.
Radiological examination showed no striking maxillar bone rarefactions or changes in the mandibular cortex form that allows the diagnosis of osteoporosis at the jaw. To obtain informations on the health status of mandibular bone in these patients, we considered it appropriate to do histopathological investigations on fragments of bone harvested from implant insertion area.
To this end, fragments of bone harvested when performing the new alveolus were fixed in Stieve mixture, decalcified with trichloroacetic acid and included in paraffin. Five-micrometer thick sections were stained with Goldner's Trichrome method and examined microscopically.
Cuvinte cheie hiperplazie benignă de prostată IRM multiparametrică cancer de prostată PI-RADS imagistică medicală Introduction Benign prostatic hyperplasia BPH is a histologic diagnosis characterized by proliferation of the prostatic cellular elements. Benign hyperplastic nodules are most commonly seen in the transition zone, but they can also protrude into the peripheral zone or even beyond the prostatic capsule, appearing as an exophitic pelvic mass or as a mass within the bladder 2. Usually, there is a direct relationship between prostate enlargement and symptoms severity, although many patients with small prostates also present urinary obstruction, because of the strategically position of the adenoma, sitting right on the bladder outlet 2. The initial evaluation should asses the frequency and severity of symptoms by using the International Prostate Symptom Score IPSS 4 and it should also include a digital rectal examination and urinalysis. Enlargement of the prostate associated with a palpable nodule and elevated PSA prostate specific antigen level requires imaging methods of diagnosis, such as transrectal ultrasonography which provides a more accurate assessment of prostate trata proctolog prostatita than digital rectal examination does 5 and MRI for the characterization of the prostatic tissue, due to its excellent contrast resolution.
Histopathology revealed changes of different intensity in the organic and vascular components of the mandibular bone, in all patients studied, with differences from case to case. Providing detailed information about organic component and bone vascularization, crucial components in the early stages of osseointegration, histopathology is more useful for assessing mandibular osteoporotic status, compared with methods of investigation that aim only the mineral component, mineralization being the final stage of osseointegration.
Highlighting mandibular osteoporotic early lesions by histopathological examination allows a patient-specific therapeutic approach and could be an accurate method of assessment for required osseointegration normal prostate size cc, depending on the degree of impairment.
Margaritescu, S. Mogoanta Immunohistochemistry represents a relatively new identification technique of cellular and tissular antigens due to an antigen-antibody binding interactions, applied more and more in the pathology laboratories for positive and differential diagnosis of premalignant and malignant lesions and also for evolutive prognosis of tumoral formations. Immunohistochemistry coloration is based on the antigen-antibody affinity, the antibody binding situs being identified either by antibody coloration direct methods or by using an indirect method where the marking is supplied by antibodies called secondary or even tertiary.
The present study is based on the immunohistochemical investigation of normal prostate size cc molecular markers with a prognosis value in colorectal cancers CCRlike the antibody p53 immune expression and of some factors supposed to have prognosis value, such as CA carcinoembryonic antigen, carbohydrate antigen agravarea prostatitei Lewis antigen.
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In the last decade, the studies have tried to define the prognosis of the molecular markers that allow the identification of the patients with recurrent risk after surgical treatment and who can benefit from chemotherapy in an efficient way. The purpose of the study on immunohistochemical markers is to aim towards the treatment based on molecular phenotypes of colorectal tumors.
Inaccording to the Consensus Conference of the Colorectal Working Group of the American Joint Committee on Cancer Prognostic Factors AJCthere were established four categories of prognosis factors in colorectal cancers based on the practical importance and the number of studies referring to them.
The present study is centered on the prognosis factors from the second B category p53 oncoprotein expression and the fourth category CA immunomarker expression. Corresponding author: Georgeta Afrem, MD, e-mail: amc. Ce poate doare de la prostatita and normal prostate size cc lesions of the diabetic foot - a morphological study Raluca Maria Popescu, C.
Cotutiu, Mariana Graur, Irina-Draga Normal prostate size cc The microcirculation in neuropathic diabetic feet is the subject of the same changes found in other end organs of the diabetic patients.
In diabetic neuropathy, abnormal neurogenic regulation of the hemodynamics in the small vessels may contribute to the development of microangiopathy, which is manifested as increased basement thickening.
Adăugați în lista de dorințe Instalați Traduceți descrierea în română folosind Google Traducere? Traduceți descrierea înapoi în engleză Statele Unite ale Americii Traduceți "Urology Prostate Calculator: Volume and Density" app is designed to help health professional to assess patients with prostate enlargement BPH or prostate cancer.
Material and Methods: The study has been made presiunea prostatitei cronice a group of 25 patients: nine with diabetes mellitus type 1 and 16 patients with diabetes mellitus type 2. All patients were affected by peripheral diabetic neuropathy and showed various degrees of lesions on the foot level.
All cases required amputations done at the lower extremity of the limbs. Tissue fragments were processed normal prostate size cc the standard histopathological exam, using Hemalaun-Eosin, trichromic Szekely and van Gieson staining.
Results: The histopathological examination revealed on the skin level - ulcerations covering large areas, while entire sections showed hyperacanthosis. At the dermis level, the microscopic panel was dominated by the presence of the inflammatory infiltrate.
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The absence or the degeneration of the sweat glands, the presence of venous stasis and perivascular bleedings completed the morphological panel of the dermis. On the microcirculation level, the endothelial cells have a flat smooth inflated aspect.
In the case of the large arterioles and arteries of muscular type, we observed the presence of the fibrous tissue on the level of media, calcium deposits on intima, mediocalcinosis. Conclusions: The identification of vascular and nervous morphological structures in the complicated diabetic foot allows the extension of the knowledge related to the pathological background of this condition.
The vascular lesions, which appeared on the microcirculation level, are consequently involving arterioles and arteries of muscular type and are being accompanied by nervous lesions shown through morphological changes of the peripheral nerves. The overall morphological contest of the complicated diabetic foot involves lesions of the epidermis, dermis, and muscles.
Multiparametric Magnetic Resonance Imaging in prostate cancer diagnosis: a must
The three-dimensional modeling of the complex virtual human elbow joint Daniela Tarnita, C. Boborelu, D. For that purpose, we used CAD parametric software, which allows defining models with a high level of difficulty including complex 3D shapes. The virtual biomechanical system of the human elbow containing bones, ligaments and muscles is studied using normal prostate size cc finite elements method and will be prepared for kinematical and dynamical simulations. The 3D virtual model will be useful for future studies concerning prosthesis optimization, improving the performances of endo-prosthetic and exo-prosthetic devices, different implants and prosthetic systems for normal and pathological situations, structures which are acted upon by SMA artificial muscles or which contain SMA prostatita limfadenita. Teleman Genital HPV infections are extremely common but most of them are spontaneously cleared by the host immune response.
The main problem is how to identify the HPV-HR positive patients who are at risk of progressive disease. Material and Methods: 76 women who tested positive for HPV were selected from a cohort normal prostate size cc patients.
Results: The p16INK4a positive rate was expressed in Assessment of sagittal and vertical skeletal patterns in Romanian patients with obstructive sleep apnea Aurelia Magdalena Enache, Vanda Roxana Nimigean, Fl. Nimigean Objective: To establish the sagittal and vertical skeletal pattern of the Romanian patients with obstructive sleep apnea OSA.
Patients and Methods: Lateral cephalograms of forty patients, divided in two groups, group I - twenty patients with OSA 15 males and five females and aged between years and group II control group - twenty patients with class II malocclusion eight males and 12 femalesaged between years, were analyzed for linear and angular skeletal parameters.
Results: For group I - most often, the mandible was in posterior position, the mean value for SNB angle being A clockwise rotation of the mandible was registered in a vertical plane mean value SN, ML: Using t-test, in order to compare the sagittal and vertical skeletal pattern of the two groups, it can be stated that there is a statistical significant difference for antero-posterior AP position of the mandible, for the group II mandible retrognathia being more pronounced than in group I.
Conclusions: Romanian patients with OSA normal prostate size cc a retrognathic sagittal pattern with a class II antero-posterior relationship. Steatosis and serum lipid patterns in patients with chronic viral hepatitis: differences related to viral etiology C. Vere, Daniela Neagoe, C. Streba, Ileana Prejbeanu, G. Ianosi, Violeta Comanescu, D. Pirici Lipid metabolism disorders related to viral etiology are described in chronic viral hepatitis, independent of age, gender and liver synthetic function.
Steatosis is present, especially in chronic hepatitis C but also in chronic normal prostate size cc B. Although liver biopsy is the gold standard in determining presence of steatosis, its presence can be determined by ultrasonographic examination as an initial screening test. Our aim in this study was to evaluate the presence of steatosis in chronic hepatitis B and C, to determine its frequency in both hepatitis type, and to explore possible relationships between presence of steatosis, lipid metabolism disorders and viral etiology.
Our study lot included 66 patients, 36 subjects with chronic hepatitis C, and 30 with normal prostate size cc hepatitis B. We only encountered significant levels of steatosis in the chronic hepatitis B sub-group. Mogoanta, Izabella Silosi, B. Oprea, D. Pirici Levels of metalloproteinase 8 MMP8 in gingival crevicular fluid normal prostate size cc studied in case of treatment with fixed orthodontic appliances.
It were found a relationship between its levels and stages of the treatment under a good control of the bacterial plaque.
Gingival overgrowth GO during the orthodontic treatment was traditionally considered as an inflammatory reaction consecutive of bacterial plaque accumulation because of difficult hygiene in those patients.
Our study starts from the hypothesis that the gingival volume growth during the fixed orthodontic treatment appears at the beginning, without any inflammatory signs, as a result of the mechanical stress and periodontal remodeling during the orthodontic dental movement, the MMP8 acting as an indicator of this situation.