Sinonasal tract malignancies are uncommon, representing no more than 5% of all head and neck neoplasms. However, in contrast to other head and neck sites, a significant proportion of sinonasal neoplasms tend to display a poorly/ undifferentiated significantly overlapping morphology and a highly aggressive clinical course, despite being of diverse histogenetic and molecular pathogenesis. The wid...

statement of problem: many studies have indicated that genetic disturbances are common findings in patients with oral squamous cell carcinoma (oscc). identification of these changes can be helpful in diagnostic procedures of these tumors. purpose: the aim of this study was to appraise the chromosomal disorders in blood and tissue patients with oscc. methods and materials: in this descriptive st...

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, ...

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...

this report is related to a female 7-year-old crossbreed sheep whose right eye had been protruded andswelling of upper eyelid was observed. routine enucleating was performed. histopathological evaluation ofeyelid revealed coincidence of two kinds of neoplasms. the first part was composed of multiple lobules ofsebocytes, which were detected as meibomian adenoma. the second section included infil...

introdouction: oral squamous cell carcinoma (oscc), the most common form of oral cancer, requires early diagnosis and suitable treatments. fascin is a protein involved in cell adhesion and is increased in expression in certain types of carcinomas. the present study was conducted to assess fascin expression in oscc using an immunohistochemical technique. materials and methods: in the present ret...

So-called shadow cell differentiation (SCD) is typical for pilomatrixoma and other skin lesions with follicular differentiation, but it was rarely described also in some visceral carcinomas. We report a case of ovarian basaloid carcinoma with SCD. The tumor presented as a 14 cm ovarian mass in a 45-year-old woman, and therefore the adnexectomy and hysterectomy were performed. The tumor was of h...