نتایج جستجو برای: cell carcinoma
تعداد نتایج: 1881272 فیلتر نتایج به سال:
introduction: granular cell tumors (gcts) are rare and mostly benign soft tissue tumors. though they have been reported in all parts of body, they are generally located in the head and neck region, especially on the tongue. some malign forms exist, but these have been rarely reported. granular cell tumors have a neural origin and, in immunohistochemical evaluations, they express s-100 and neuro...
background: ovarian cancer is the most common cause of cancer death worldwide. incidence of ovarian cancer is more common in postmenopausal women. premenopausal onset is rare and the present study described two cases of ovarian clear cell tumors in young women. case presentation: the patients presented with pelvic mass which was confirmed by sonography and laparotomy and final diagnosis was mad...
introduction: primary small cell carcinoma of theesophagus (pscec) associated with paraneoplastic sweating syndrome is a rare disease characterized with rapid growth rate, metastasis at the time of diagnosis, and poor prognosis. the lung is the most common site for small cell carcinoma but this malignancy includes 0.1% to 1% of all gastrointestinal and 0.8% to 2.7% of esophageal malignancies. s...
purpose: to determine the prevalence of various types of conjunctival lesions, at a tertiary ophthalmic center in fars province, south of iran. methods: histopathologic slides and medical records of conjunctival lesions submitted to the pathology department of khalili hospital, shiraz, iran was reviewed from april, 2009 to july, 2013. the histopathologic diagnoses were categorized into benign, ...
ocular surface may be involved by different neoplastic lesions ranging from benign to highly malignant. recognition of risk factors, clinical presentations, pathology, and different therapeutic modalities is essential for selecting an appropriate approach. this article deals with the proper approach to ocular surface squamous neoplasia (ossn) including conjunctival/corneal intraepithelial neopl...
micropapillary variant of urothelial carcinoma (uc) of the bladder is an aggressive tumour, comprising 0.6-6% of all uc. it generally presents with high-grade and stage, and has been reported as having a worse prognosis when compared to traditional uc. we report the case of a 58-year-old man who presented with macroscopic haematuria. the patient was diagnosed with high-grade urothelial carcinom...
the paranasal sinuses are known to be a rare location for metastasis. renal cell carcinoma (rcc) is the most frequent primary tumor to metastasize to the sinonasal region, followed by lung and breast cancer. in particular, clear cell type rcc, which represents approximately 85% of rccs, is characterized by early metastasis, and it sometimes spreads to unusual sites (1, 2). metastatic tumors in ...
background and aim: basal cell carcinoma (bcc) is the most common skin neoplasm and the most common type of cancer. since the incidence of injury is taken into consideration in the pathologic diagnosis, the study of clinical and microscopic views of bcc is of particular importance. the present study aimed at determining the frequency of clinical and microscopic views of bcc in a 10-year period ...
squamous cell carcinoma (scc) is the most common malignancy of the oral cavity. this study aims to evaluate different treatment procedures including neo-adjuvant, concurrent and adjuvant therapy in treating squamous cell carcinoma of the head and neck by a meta-analysis.the authors searched all electronic databases (medline, embase and cochrane) for all the articles published from 1970 to janua...
the larvae causing myiasis can lead extensive tissue destruction, invasion into deep tissues and secondary infections. poor hygiene, low socioeconomic condition and presence of open wounds are the most important predisposing factors. this case report describes destructive wound myiasis in a 58-year-old male patient diagnosed with maxillary sinus squamous cell carcinoma who lives in a rural are...
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