نتایج جستجو برای: malignant skin tumors
تعداد نتایج: 523144 فیلتر نتایج به سال:
BACKGROUND Appendageal skin tumors belong to a heterogenous group of tumors with specific histopathology. The aim of this study is to determine the pattern of appendageal tumors in skin biopsies done in our department. METHODS This is a 3-year retrospective descriptive study of all patients who were diagnosed to have skin appendageal tumors in our department, and the diagnoses were confirmed ...
The effect of age at exposure to a sublethal dose of fast neutrons on tumorigenesis in the male rat.
Male rats were irradiated with a single whole-body sublethal dose (215 to 230 rads) of fast neutrons as juveniles (1 month), young adults (3 months), or old adults (21 months of age) and maintained in a duration-of-life study. The extent of tumorigenesis was analyzed with respect to the general types of tumors, the percentage of animals with tumors, and the distribution of tumors among organs w...
Dermoscopy is a well-known method used in the diagnosis of pigmented lesions and differentiating between benign malignant tumors. Over last years, numerous studies have addressed use dermatoscopy general dermatology its role diagnostics. Although dermoscopy these conditions has not yet been incorporated into daily routine. Efforts to standardize may change this future. In review article, author...
background : this study evaluates estrogen and progesterone expressions in patients with ovarian tumors (both benign and malignant) and their correlation with various clinicopathological prognostic parameters. receptors for estrogen and progesterone are predictive and prognostic markers of endometrial and breast cancers. however, their clinical significance in epithelial ovarian cancer is not c...
Introduction: According to the results of studies from different parts of the world, malignancies in children are rare. Despite this fact, malignant neoplasms remain the second leading cause of death in children after accidents. ALL, CNS tumors and lymphomas are the most common malignancies in children. They account for approximately more than 50% of malignancies and occur more frequently in b...
Background and Aim: Malignant melanoma is one of the most dangerous types of skin cancer. The aim of this study was to evaluate Spatial Thermographic Imaging (STI) in differentiating benign from malignant skin lesions. Methods: One-hundred and ten STI images were taken from the volunteers who had lesions being suspected for malignant melanoma. Benignity or malignancy of lesions was determine...
BACKGROUND This paper presents a detailed incidence study on childhood solid tumors comprising a histopathology-based documentation of benign and malignant lesions. METHODS The Ankara Pediatric Pathology Working Group collected databases of pediatric solid tumors from six pediatric reference centers in order to analyze the incidence, distribution and some epidemiologic characteristics of the ...
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