نتایج جستجو برای: hyperplasia of melano
تعداد نتایج: 21167419 فیلتر نتایج به سال:
introduction: pyogenic granuloma (pg) is one of the inflammatory hyperplasia seen in the oral cavity. it is a reactional response to minor trauma or chronic irritation and also might be related to hormonal changes. rarely, pg occurs extragingivally.the most common treatment of pg is surgical excision but alternative approaches such as laser excision have also been proposed. case report : herein...
lipoid congenital adrenal hyperplasia (lipoid cah), a rare disorder of steroid biosynthesis, is the most severe form of cah. in this disorder the synthesis of glucocorticoids, mineralocorticoids and sex steroids is impaired which result in adrenal failure, severe salt wasting crisis and hyperpigmentation in phenotypical female infants irrespective of genetic sex. in this report, we presented a ...
Abstract Background Measurement of multiple steroids, 17 hydroxyprogesterone, 11 deoxycortisol, and 21 is required to discriminate between congenital adrenal hyperplasia due hydroxylase deficiency that beta deficiency. This work aims at the selection more appropriate, cost-effective method among either mass spectrometry or radioimmunoassay for quantitation previous steroids. In this study, bloo...
Focal epithelial hyperplasia or Heck’s disease is a rare benign lesion of oral mucosa caused by human papilloma virus especially subtypes 13 and 32. The disease is predominantly found in children and adolescents with indigenous heritage. This paper reports a unique case of Heck's disease in an 11-year-old Iranian girl with multiple, bilateral and elevated lesions on the buccal and labial mucosa...
Background: Reactive lymph node hyperplasia can exhibit morphological patterns I to VI. This study was done evaluate hyperplasia, reactive patterns, metastasis and correlation with tumour stage, size. Methods: Total 454 nodes were reviewed for metastases reactivity VI as per the World Health Organization (WHO) protocol. Association between qualitative variables assessed by chi-square test Fishe...
Objective(s): Prostate cancer is the world’s leading cause of cancer and the second cause of cancer-related death in men after lung cancer. Differentiation of prostate adenocarcinoma from benign prostate lesions and hyperplasia sometimes cannot be done on the basis of morphologic findings. Considering the fact that in the prostate adenocarcinoma there is no basal cell layer, basal cell markers ...
background: congenital adrenal hyperplasia (cah) and vanishing testes are uncommon diseases that can result from hormonal and mechanical factors. classic cah is determined by ambiguous genitalia and increase in amount of 17-hydroxyprogesterone. simultaneous occurrence of cah and vanishing testes is a rare condition. case: a 22-year-old boy, known case of cah who was diagnosed as female pseudohe...
introduction: abnormal uterine bleeding (aub) is among the most complex gynecological problems, especially during the middle and old age. the aim of this study was to assess the pathological findings in endometrial curettage samples of abnormal uterine bleeding and the risk factors associated with them. methods: in our cross-sectional study, we included all the referring women with aub complain...
Hyperinsulinism is responsible for about 55% of hypoglycemia in children less than 1 year old. In this study pancreas from 8 children with idiopathic hyperinsulinemic hypoglycemia of infancy(HHI) who underwent pancreatectomy in Ali-Asghar Hospital from 10 years ago were examined, using histochemical method and morphometric measurements. The children ranged from 3 to 13 months, and were ...
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