نتایج جستجو برای: childhood tumor
تعداد نتایج: 574765 فیلتر نتایج به سال:
objectives this study aimed at reviewing the current literature on the diagnosis, staging, and different treatment strategies for wilms’ tumor with either ureteral or intravascular extension. evidence acquisition in this article, we reviewed the current literature about staging, diagnosis, and management strategies for wt, through a randomized clinical trial, which focused on this matter. the m...
Background: In this study, we examined the epidemiologic characteristics of childhood brain tumors in patients referred to MAHAK Pediatric Cancer Treatment and Research Center (one of the main national referral centers for childhood malignancies in Iran) for treatment. Materials and Methods: This cohort (simple sampling) study consisted of 198 children less than 15 year old with CNS tumor ref...
The granulosa cell tumor is the most common malignant functioning tumor of the ovary. When functional, granulosa tumor almost always are estrogenic although rare tumors are androgenic. Progesterone producing by these tumors has only been reported twice. We report a case of granulosa cell tumor in a 7 years old girl with precocious puberty who represent the first case of progesterone producing b...
Background: Tumor lysis syndrome caused by widespread tumor cell damage may lead to electrolyte imbalances and express as metabolic disturbance causing clinical abnormalities. Patients and Methods: All patients younger than 16 years with documented malignancy candidate for chemotherapy, in Hamedan province of Iran were enrolled. Results: Out of 69 cancer patients the laboratory form of tumor ...
Inguinal mass is a common clinical finding or even symptom in childhood while the most common diagnosis is inguinal hernia that may proceed with prompt surgical but there are a vast variety of different entities that may manifest as an inguinal mass and in some instances, surgical approach is not indicated or may need further preoperative assessments to determine a correct therapeutic plan. In ...
Osteosarcoma (OS) is the eighth common cancer of childhood and its incidence is 4 cases in one million in children younger than 14. Facial OS incidence is estimated between 8 and 10% of OS cases. The main etiology of OS is unknown, but various predisposing factors are proposed such as radiation, radiotherapy, some benign bone diseases like Paget’s disease or fibrous dysplasia. There is a 5-year...
Malignant peripheral nerve sheath tumor (MPNST) is an aggressive neoplasm of neural origin. It is a rare neoplasm of childhood, accounting for less than 5% of all cases. In 1994 a 29 months old boy was admitted to the Mofid Hospital with complaints of fever, dyspnea and respiratory distress. After performing all the necessary clinical and labratory tests a large mass in the upper posterior medi...
Association of EBV with the tumor cells of HD has been proven by a variety of the methods, using serologic and immunohistochemical techniques and in the recent years with molecular biologic techniques which can detect EBV genome in tumor biopsies. In this regard we prompted to perform a case control study on 25 childhood HD cases with respected to their antibodies gainst EBNA and EBV-IgM antibo...
Introduction. Schwannomas are rare benign tumors of the gastrointestinal tract. Despite differences in features schwannomas located stomach as opposed to peripheral or soft tissue schwannomas, their immunohistochemical characteristics same. We present a case 14-month-old boy with gastric tumor who underwent combined laparoscopic-endoscopic resection surgery, followed by schwannoma diagnosis. Ca...
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