نتایج جستجو برای: sinonasal

تعداد نتایج: 2893  

2016
Ankit Kansal Prateek Srinet Richard Peter Manes

OBJECTIVES To evaluate the use of a new tumor embolization agent, Onyx (Covidien, Dublin, Ireland), for the use of intraoperative embolization of a sinonasal unclassified spindle cell sarcoma. METHODS A 45-year-old female patient presented to the rhinology clinic with a nasal mass. A biopsy revealed a highly vascular mass consistent with a sinonasal unclassified spindle cell sarcoma. Secondar...

2016
Thomas H. Newman Geoffrey A. Tipper Zakier Hussain

Sinonasal adenocarcinomas are rare, locally invasive tumours. In this case the symptomatic profile was unusual and the diagnosis was missed at the primary care stage. Interestingly this would be the first documented case with an absent ipsilateral olfactory bulb. A 55-year old male presented with symptoms of behavioural change and mild headaches. He was later found to have a large Sinonasal ade...

2015
Benny Joseph Suresh Vyloppilli Shermil Sayd Niyas Ummer

Sinonasal sarcoidosis in the head and neck region is infrequent. Its occurrence can be either isolated in combination with other systems. The literature reveals that the occurrence of sinonasal sarcoidosis without lung involvement is rare. In general, sarcoidosis is a chronic non-caseating granulomatous disease of unknown origin, often identified after biopsy. In this article, we report on a be...

2017
Asha Karadwal Swati Roy Sonam Bhalla Mohit Kapoor Rohit Sharma Priyanka Sharma

A 63 year old male reported with mild pain and gradually enlarging swelling of presumed dental origin in the left side of the face since two months. Based on clinical and radiographic finding, the differential diagnosis for this lesion included squamous cell carcinoma, nasopharyngeal carcinoma, salivary gland malignancies, sinonasal carcinoma, non hodgkin lymphoma large B cell type and deep fun...

Journal: :Journal of surgical oncology 1976
J C Schantz S H Miller W P Graham

Hypernephroma is one of the most common visceral adenocarcinomas which metastasize to the head and neck. The metastasis may precede discovery of the primary or follow it. The most common sites of metastatic hypernephroma to the head and neck are the sinonasal tract, skin, cervical lymphatics, and mandible. Three cases of metastatic hypernephroma are presented and one of these is the first docum...

2017
C. Parrilla D. Lucidi G. Petrone G. Bastanza C. Colosimo

Olfactory neuroblastoma (ONB) is an uncommon neuroendocrine sinonasal cancer associated by many authors to ectopic production of several biologically active substances. We report a case of a 31-year-old male patient who presented with idiopathic syndrome of inappropriate secretion of antidiuretic hormone (SIADH). During diagnostic work-up, a CT scan of the head was performed and an ethmoidal ON...

2007
Yeo Ju Kim Soo Ah Im Gye-Yeon Lim Ho Jong Chun Hyun Jin Park Min Sik Kim Yeong Jin Choi

Chondrosarcomas are malignant tumors of cartilage that rarely involve the sinonasal region, and myxoid chondrosarcoma is a rare histologic variant of chondrosarcoma that usually occurs in the soft tissue of extremities. Although several case reports and results of small series of chondrosarcomas in the sinonasal region in children are available, myxoid type chondrosarcoma is extremely rare. We ...

Journal: :Acta otorrinolaringologica espanola 2013
Pradeep Devadoss Pedamally Manodh Dayashankar Prabhu Shankar Titus Kuttappan Thomas Ravanasamudram Sundaram Neelakandan Shobhit Rastogi

The term Schneiderian mucosa refers to the ectodermally derived lining of the nasal cavity and paranasal sinuses, composed generally of stratified ciliated columnar cells, loose abundant lamina propria, and minor salivary glands and their ducts. This unique mucosa may give rise to three distinct histomorphologic papillomas collectively called Schneiderian papillomas. Hyams has described these v...

2012
Sh Shahidi P Bronoosh Y Daneshbod

A case of follicular ameloblastoma of the left maxilla in a 74-year-old man is reported. The tumor was presented as a radiographically solid mass filling the left sinonasal cavity and invaded maxillary alveola. After radical surgery, the patient has pursued a non-aggressive clinical course after 4 years of follow-up. The radiopathological features of this tumor were reviewed and the possibility...

Journal: :Head & neck 2013
Stephen V Liu Naveed Wagle Gabriel Zada Bonnie Sun John Go Afshin Rashtian

BACKGROUND Sinonasal undifferentiated carcinoma (SNUC) is an uncommon neoplasm characterized by local extension and an aggressive course. Treatment often includes a combination of chemotherapy, radiation therapy, and surgery, although the optimal strategy remains unclear. Here, we present the first reported case of leptomeningeal carcinomatosis from SNUC. METHODS AND RESULTS A 28-year-old man...

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