نتایج جستجو برای: squamous cell carcinoma and histology

تعداد نتایج: 17170328  

Introduction: The changes in the level of SEPT9 gene promoter methylation can contribute to the formation of esophageal squamous cell carcinoma. The aim of this study was to evaluate the level of changes in the level of SEPT9 gene promoter methylation in the esophageal squamous cell carcinoma. Methods: In the present case-control study, we collected 75 paraffin blocks of esophageal cancer tiss...

A rare case of squamous cell carcinoma ex pleomorphic adenoma in maxillary sinus is presented. The patient is a 50-year-old woman presenting with a slow-progressive swelling in left side of her face that she has noticed 2 years earlier. The lesion was not painful and caused asymmetry and mild exophthalmos. Microscopic examination revealed that the tumor was composed of two components partly of ...

Heshmatollah Salahi Mansureh Shokripur Massood Hosseinzadeh,

Squamous cell carcinoma of the gallbladder is rare and constitutes only 0.5-3% of all malignancies of this organ. Most of the reported cases have had a component of adenocarcinoma. We report a 70-year-old man who presented with acute onset right upper quadrant pain. He operated on based on a presumptive diagnosis of acute cholecystitis according to clinical and ultrasonographic findings. Histop...

AA Haghdoost Z Rahnama

Background: Squamous cell carcinoma has a wide range of histological differentiation, which indicates the prognosis. Location of the tumor also affects its prognosis. Objective: To determine the relationship between location of the tumor, age and sex of patients and histological grading of it. Patients and Methods: In this retrospective study, 44631 files of the patients who were referred to tw...

Background and Aim: Cutaneous squamous cell carcinoma (CSCC) is the second most common skin cancer. Mast cells may play a role in tumor progression and metastasis by increasing angiogenesis. The aim of this study was to investigate the role of mast cells by increasing angiogenesis in invasion of head and neck cutaneous squamous cell carcinoma. Materials and Methods: In this cross-sectional stud...

Journal: :iranian journal of medical sciences 0
reza ghaderi f. haghighi

background: the most frequently mutated tumor suppressor gene found in human cancer is p53. in a normal situation, p53 is activated upon the induction of dna damage to either arrest the cell cycle or to induce apoptosis. however, when mutated, p53 is no longer able to properly accomplish these functions. the aim of this study was to investigate the expression of p53 gene in cases of skin cancer...

Journal: :National journal of laboratory medicine 2023

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...

Journal: :The British journal of ophthalmology 2001
D M Tole P A McKelvie M Daniell

AIM To evaluate the accuracy of impression cytology employing a Biopore membrane device in the diagnosis of ocular surface squamous neoplasia (OSSN). METHODS The histology of patients undergoing excision biopsy for the suspected diagnosis of OSSN over a 20 month period was compared with the reported cytology of impression cytology specimens obtained preoperatively using the Biopore membrane d...

2013
J.C. Nelson A. Collins T. Foster S.J. Cooper

www.ums.ac.uk from the medial border of the right atrium, extending through the tricuspid valve and into the right ventricle with infiltration of the myocardium (Figure 3). Histology demonstrated squamous cell carcinoma infiltrating the myocardium. The histological appearances were similar to those of the patient’s previous tongue tumour (Figure 4), confirming a diagnosis of a cardiac metastasi...

Journal: :caspian journal of internal medicine 0
vakili mohsen behnaz yousefghahari majid sharbatdaran

background: lung cancer ranks among the most common and most lethal malignancies worldwide. once vascular or lymphatic invasions occur, metastatic dissemination to distant sites is common. bone, liver, adrenals, and brain are the most frequent sites of the distant disease. in this study we present a case of squamous cell carcinoma of lung with metastasis of the left knee bursa.case presentation...

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