HOME > Weekly Case > Weekly Case
Weekly Case
종결
Case No. 180
0000-00-00~0000-00-00
출제자 : 관리자
Hit : 288
| Period | 0000-00-00~0000-00-00 |
|---|---|
| Diagnosis | |
| Clinical information | 15세 남자. Nasal obstruction으로 내원. |
| Discussion | Angiofibroma A relatively uncommon, histologically benign, locally invasive tumor that usually occurs in adolescent boys Patients usually present with nasal obstruction, recurrent and severe epistaxis Approximately 0.5% of all neoplasms of the head and neck Two constant features (a) A mass in the posterior nasal cavity and pterygopalatine fossa (b) The erosion of bone posterior to the sphenopalatine foramen and extending to the upper medial pterygoid plate Characteristics of angiofibroma on CT and MR images : Anterior bowing of the posterior wall of the maxillary antrum : Enlargement of the pterygopalatine fossa with bone erosion posterior to the sphenopalatine foramen, extending toward the medial pterygoid plate : Intense enhancement on contrast-enhanced images : Blood supply by the ipsilateral internal maxillary artery : Small ascending pharyngeal artery branches. RadioGraphics 2008; 28:205?23 |
| Correct answer |
Correct AnswerSemi-Correct Answer |