نتایج جستجو برای: rectal wall dose
تعداد نتایج: 500873 فیلتر نتایج به سال:
BACKGROUND To evaluate the dosimetric performance of multi-channel vaginal cylinder (MCVC) against interstitial brachytherapy (ISBT) for the treatment of vaginal tumors. METHODS Vaginal tumors with extension of > 0.5 cm and ≤ 2 cm from the lateral vaginal wall and/or ≤ 1 cm in height above the vaginal vault were retrospectively selected from a ISBT registry trial database. The selected patien...
Sir, Endoscopic ultrasonography (EUS) is widely applied in gastric lymphomas: it helps to distinguish lymphoma from carcinoma,1 to detect the degree of loco-regional involvement,1,2 to monitor response to radio-chemotherapy3,4 and to identify a recurrences4 early during follow-up evaluation. EUS could give the same informations when applied to the study of rectal lymphoma. Nevertheless, only fe...
Background Complete rectal prolapse is a disease characterized by the complete protrusion of rectal wall through the anus. This disability affects mostly elderly women (>65 years). Several surgical techniques have been described for the treatment of this condition with both perineal and abdominal approach. Under trial condition none of them have been demonstrated to be the best choice in terms ...
Endorectal balloons (ERBs) are routinely used in prostate proton radiation therapy to immobilize the prostate and spare the rectal wall. Rectal gas can distend the rectum and displace the prostate even in the presence of ERBs. The purpose of this work was to quantify the effects an ERB with a passive gas release conduit had on the incidence of rectal gas. Fifteen patients who were treated with ...
Background: The purpose of this study was to evaluate the characteristics of TomoDirect (TD) plans compared to conventional TomoHelical (TH) plans in chest wall irradiation in patients with breast cancer. Materials and Methods: TD and TH plans for only chest wall were retrospectively created for 30 patients previously treated with TH technique in our clinic. The beam angles were arranged to cov...
A 50-year-old man underwent abdominal rectopexy with non-absorbable mesh for complete rectal prolapse 7 years ago with relief of symptoms for 2 months followed by gradual recurrence over more than 6 years. On examination, complete rectal prolapse with part of the mesh extruding from the rectal mucosa into the lumen was observed (Figure 1). The patient was successfully treated with Altemeier’s p...
An 11-year-old girl presented with history of frequent passage of small amounts of bright red blood per rectum without mucus since the age of 2 years. There was no history of abdominal pain, tenesmus, constipation, diarrhea, weight loss, fever, joint paints, skin rash, hematemesis, rectal prolapse, anal intercourse or insertion of foreign bodies. Physical examination was normal except for findi...
eosinophilic gastroenteritis is a rare disease of unknown etiology. it is characterized by eosinophilic infiltration of the gastrointestinal tract wall (especially stomach and small bowel). symptoms and signs of this disease depend on the involved layer of gastrointestinal tract. hereby, we are presenting a patient with abdominal pain since one month ago that aggregated with meals. the patient ...
Introduction: The high local control rates observed in patients with breast cancer who had been treated by modified radical mastectomy, chemotherapy and chest-wall irradiation using 120 kV X-rays (50 Gy in 25 fractions) motivated us to investigate their observed tumor control probability (TCP) and test a well-established radiobiological TCP model against our data. Mat...
We present a case of migrating copper-T intrauterine contraceptive device (IUCD) into the bowel wall at the recto-sigmoid junction, and the colonoscopic retrieval of the device. This case introduces the possibility of safe rectal retrieval of migrating IUCD implanted into the bowel wall.
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