What is Angiofibroma on the nose?
What is Angiofibroma? Angiofibroma is a benign (noncancerous) nasal cavity tumor that almost exclusively affects adolescent boys. It also may be referred to as juvenile nasopharyngeal angiofibroma (JNA). The age range for this disease is 7 to 19 years old, with most people being diagnosed between 10 and 19 years old.
What is frog face deformity?
A type of facial deformity characterized by flattening and broadening of the nose and protrusion of the eyes, associated with tumours of the nasal cavity.
What causes juvenile nasopharyngeal angiofibroma?
What causes nasopharyngeal angiofibroma? There are a few theories as to how nasopharyngeal angiofibromas form. Because these tumors occur almost exclusively in adolescent boys, hormones are thought to play a role. Doctors do not believe they are hereditary.
Which is the commonest presenting complaint of Angiofibroma?
The most common presentation is an adolescent male with chronic unilateral nasal obstruction. Also, painless, unprovoked epistaxis is common.
Can angiofibromas be removed?
Although angiofibromas are benign, they are persistent. Angiofibromas can be removed for cosmetic or pain-related reasons. The recurrence rate for angiofibromas associated with tuberous sclerosis may be as high as 80% [1].
How do you get rid of angiofibromas?
The multiple angiofibromas found in patients with MEN 1 may be treated similar to adenoma sebaceum. Surgical excision (shave excision) and mechanical dermabrasion have been reported with good results.
What is Transpalatal approach?
The transpalatal approach to the nasopharynx is well suited for juvenile nasopharyngeal angiofibroma limited to the nasopharynx, with minimal extension to the sinuses or pterygopalatine fossa. It offers excellent exposure to this region, with minimal morbidity and excellent cosmetic results.
Did you know facts about frogs?
Frog Physiology
- Frogs have excellent night vision and are very sensitive to movement. The bulging eyes of most frogs allow them to see in front, to the sides, and partially behind them.
- Frogs were the first land animals with vocal cords. Male frogs have vocal sacs—pouches of skin that fill with air.
What causes facial angiofibromas?
What causes angiofibromas? Angiofibromas are caused by a local overgrowth of collagen, fibroblasts, and blood vessels. In tuberous sclerosis, mutations are present in tuberous sclerosis complex 1 (TSC1), which encodes the protein hamartin, and tuberous sclerosis complex 2 (TSC2) which encodes the protein tuberin.
What causes facial Angiofibromas?
What is the site of origin of nasopharyngeal angiofibroma?
Juvenile nasopharyngeal angiofibroma is a highly vascular benign tumor which is mainly seen in male adolescents and the etiology of JNA remains unclear. The recent literature indicates that the JNA originates at the sphenopalatine foramen with lateral spread into the pterygopalatine fossa [1], [14], [15], [8].