Sinonasal tumor pathology: what's new?
نویسنده
چکیده
The sinonasal tract is an anatomical region affected by a wide variety of tumors with different clinical behavior, histologic and molecular features. Substantial advances have been made in the field of sinonasal tumor pathology in recent years, including improvement in the diagnosis, treatment and genetic characterization. In this article, a review of the histological features of new distinctive pathologic entities as well as newly described molecular alterations of these rare tumors is presented.
منابع مشابه
The orbital and sinonasal hemangiopericytoma, 2 case reports:
Background & objective: Hemangiopericytoma is an uncommon vascular tumor derived from the pericytes of Zimmermann. . The most common location of the tumor is pelvic retroperitoneum and musculoskeletal system of the lower extremities. It is rarely seen in the head and neck area. In addition, only 0.8% to 3% of all orbital tumors and less than 5 % of primary sinonasal tumors are primary hemangiop...
متن کاملSinonasal Adenocarcinoma: Update on Classification, Immunophenotype and Molecular Features.
Adenocarcinomas of the sinonasal tract may originate from respiratory surface epithelium or the underlying seromucinous glands. These malignancies are divided into salivary-type adenocarcinomas and non-salivary-type adenocarcinomas. The latter are further divided into intestinal-type and nonintestinal-type adenocarcinomas. This review provides an update on tumor classification, differential dia...
متن کاملIntranasal pericytic tumors (glomus tumor and sinonasal hemangiopericytoma-like tumor): report of two cases with review of the literature.
An intranasal glomus tumor and a sinonasal hemangiopericytoma-like tumor are reported. Both patients were elderly women suffering from nasal bleeding, and presented with a polypoid mass arising in the nasal septum. Microscopically, the glomus tumor displayed a proliferation of uniform rounded or cuboidal epithelioid cells arranged in sheets and interrupted by a rich vasculature with a character...
متن کاملPrimary Ameloblastoma of the Sinonasal Tract
BACKGROUND. Ameloblastomas are locally aggressive jaw tumors with a high proDuane R. Schafer, D.D.S., CDR, DC, USN pensity for recurrence and are believed to arise from the remnants of odontogenic Lester D. R. Thompson, M.D., LCDR, MC, epithelium. Extragnathic ameloblastomas are unusual and primary sinonasal tract USNR origin is extraordinarily uncommon. Brion C. Smith, D.D.S., LTC, DC, USA MET...
متن کاملEpidemiological Survey of Sinonasal Malignancy in North-East Iran
Introduction: Sinonasal malignancies are uncommon neoplasms with several histological subtypes. These malignancies have a poor prognosis and, because of the nonspecific nature of the symptoms, most patients are diagnosed late when the disease is already at an advanced stage. Therefore, most sinonasal malignancies tend to be treated with surgery and postoperative radiotherapy. Understanding the ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Pathologica
دوره 109 1 شماره
صفحات -
تاریخ انتشار 2017