نتایج جستجو برای: carcinoma
تعداد نتایج: 394372 فیلتر نتایج به سال:
introduction: malignant salivary gland tumors are rare entities. despite advances in surgery, radiation therapy and chemotherapy, the rate of the mortality and five-year survival has not been improved markedly over the last few decades. the activation of egfr- ras-raf signaling pathway contributes to the initiation and progression of many human cancers, promising a key pathway for therapeutic m...
introduction: mucoepidermoid carcinoma represents one of the most common malignant salivary gland tumors.however, the sclerosing morphologic variant is extremely rare with only 23 reported cases in the english-language literature since it was discovered in 1987. case report: herein, we describe another case that was diagnosed in a 25-year-old woman presenting with a posterior auricular mass, as...
conclusions plasma opn is comparable to afp as a diagnostic marker and is related to the severity of liver involvement in hcc patients. plasma opn is of diagnostic potential value in nafld. background osteopontin (opn) is a secreted glycoprotein and is frequently associated with various tumors. objectives we sought to investigate the clinical usefulness of the level of plasma opn, compared to α...
Metaplastic Breast Carcinoma (MBC) is one among the rare types of breast carcinoma. MBC was recognised as a separate entity by World Health Organisation (WHO) in 2020. According to WHO, metaplastic carcinoma classified into six based on histology which includes: low grade adenosquamous carcinoma; fibromatosis like squamous cell spindle with heterologous mesenchymal differentiation; and mixed ca...
Basal cell carsinoma is the most frequent skin tumor of the white people & radiotherapy is one of it’s known etiology. To determine the correlation of histopathologic type of basal cell carcinoma with previous history of radiotherapy. Evaluation of retrospective inpatient & outpatient histopathologic & clinical files in Department of dermatology Loghman Hospital Tehran (between 1987 &n...
The present case report concerns a 42-year-old female who referred with an enlargement of right lobe of thyroid gland since 6 months ago. Subtotal thyroidectomy specimen grossly revealed white-colored and poorly-demarcated nodule with papillary growth pattern. Microscopic examination mostly exhibited papillae lined by tall columnar cells containing pseudostratified nuclei which rese...
Primary squamous cell carcinoma of the kidney is very rare. Due to the lack of clinical signs, diagnosis and treatment is often delayed. Because of the nature of invasive squamous cell carcinoma, most patients experience metastasis and recurrence. Prognosis of the disease is poor and survival of patients has been reported less than 5 years. We report a squamous cell carcinoma with a staghorn st...
pancreatic neuroendocrine tumors (pnet) are uncommon pancreatic neoplasms, accounting for 1-2% of all pancreatic tumors. however, they have a better prognosis and long-term survival compared to exocrine pancreatic cancer. pnets can be divided into functional or non-functional based upon whether or not they excrete active substances relevant to specific clinical syndromes. skeletal muscle metast...
metastasis from a malignant tumor to the palatine tonsils is rare, accounting for only 0.8% of all tonsillar tumors, with only 100 cases reported in the english-language literature. various malignant lung carcinomas may metastasize to the tonsils. a few cases of tonsillar metastasis from neuroendocrine lung carcinoma have been reported. a 67-year-old female underwent a right tonsillectomy becau...
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