نتایج جستجو برای: sinonasal undifferentiated carcinoma
تعداد نتایج: 405675 فیلتر نتایج به سال:
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 Nevoid basal cell carcinoma syndrome (NBCCS) is a rare, inheritable, multisystem disorder characterized by numerous basal cell carcinomas (BCCs), maxillary keratocyst, and musculoskeletal malformations. Occasionally, it is associated with malignancies like rhabdomyoma, melanoma, and sinonasal undifferentiated carcinoma, to name a few. METHODS A patient presented with NBCCS with a m...
A 52-year-old Caucasian female with complaints of chronic nasal obstruction and anosmia was conservative treated for 2 years. The patient was sent to our tertiary care center after developing a forehead swelling and decreased visual acuity. Contrast-enhanced CT-Scan and MRI (Figure 1 & 2) showed a large nasal cavity tumor, achieving both frontal sinuses, with bone expansion and erosion, and inf...
OBJECTIVES The transcription factor SOX2 (3q26.3-q27) is an embryonic stem cell factor contributing to the induction of pluripotency in terminally differentiated somatic cells. Recently, amplification of the SOX2 gene locus has been described in squamous cell carcinoma (SCC) of different organ sites. Aim of this study was to investigate amplification and expression status of SOX2 in sinonasal c...
INTRODUCTION Inverted papillomas (IP) are benign sinonasal neoplasms, which account for 0.5-4% of all nasal tumors. IPs have been known to transform into squamous cell carcinoma in 5-15% of cases. Rarely, transformations to other malignancies have been reported. Here we report a unique case of malignant transformation of an IP into sinonasal undifferentiated carcinoma (SNUC). METHODS A case r...
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