这为相关肿瘤诊断提供参考。 血管纤维瘤（Angiofibroma）是一种罕见的良性血管肿瘤，青少年鼻咽血管纤维瘤（juvenile nasopharyngeal angiofibroma，JNA）是其最常见的临床表现形式。更为罕见的是，组织学上与之相似的肿瘤可在鼻咽部以外发生，被称为鼻外血管纤维瘤 ...

Juvenile nasopharyngeal angiofibroma (JNA), a rare tumour developing in adolescent and young adult males, accounts for 0.05-0.5% of all head and neck tumours [1, 2]. Juvenile nasopharyngeal ...

Juvenile nasopharyngeal angiofibroma (JNA) is a rare, benign tumor. JNA tumors contain many blood vessels and are called benign vascular tumors. They usually grow deep in the sinonasal cavity (nose ...

With the exceptions of nasopharyngeal angiofibroma and sinonasal hemangiopericytoma, most mesenchymal lesions are not truly distinctive to this site. This overview focuses on tumors that show a ...

Nasopharyngeal angiofibroma is a rare head and neck tumor characterized by hypervascularity. With the development of various surgical devices and hemostatic agents, endoscopic endonasal surgery for ...

41 Our cases located on the knee showed mucoid degeneration, but they were more cellular with typical features of cellular angiofibroma. In one of them, we could show loss of RB1 (Case 9).

The rare and aggressive tumor in this child's nose is known as juvenile nasopharyngeal angiofibroma, a mass that grows in the back of the nasal cavity and predominantly affects young male teens.

A chest radiograph was normal. Contrast-enhanced computerized tomography (CT) of the head and neck was obtained to exclude juvenile nasopharyngeal angiofibroma and to define the neck mass.