鼻囊肿,鼻和颅底肿瘤课件

diagnosis
•CT •MRI
Serous cyst of maxillary sinus
• Surgical 。 -external approach -endoscopic approach(2)
Treatment
• Surgical remove without remnant。 -external approach -endoscopic approach(2)
Clinical diagnosis
management
Osteoma
Introduction
— most frequently in frontal sinus, (70～80%)
— less frequently in ethmoid sinus (16～25%)
— seldom in maxillary and sphenoid.
Pathology
orbital involvement facial involvement nasal involvement intracranial involvement
diagnosis
–Presentation –CT –MRI –Puncture
presentation
presentation
diagnosis
— eburnated type. uniformly radiodense structure.
— Cancellous type. — Mixed type.
Clinical Presentation
— asymptomatic.
small one, found occasionly. — headache — Osteoma-induced sinusitis. — Osteoma-induced local deformity. — mucocele formation.
presentation
•Local extrusion •Elasticity, pain if infected. •Liquid withdraw
diagnosis
•Local examination •CT •Liquid withdraw
Treatment
• Surgical remove without remnant。 -external approach -endoscopic approach
Papilloma in the nose
Pathogenesis — unclear. — humon papilloma virus (HPV)
Papilloma in the nose
Pathology: — keratotic papilloma
simple cutaneous Wart, in the nasal vestibule or nasal septum. — inverted papilloma
hyperplastic epithelia with inverting pattern of growth.
malignant transformation : 5% . squamous cell Carcinoma, adenocarcinoma.
diagnosis
diagnosis
diagnosis
diagnosis
diagnosis
diagnosis
diagnosis
treatment
Traditional surgery Endoscopic marsupilizatiointroduction
1.skull base bone derived 2. nose and nasal sinus derived. 3. intracranial tissue derived.
nasal vestibular cyst
Pathogenesis
1、drainage retention 2、congenital deformity
pathology
•Epithelia， •Connective tissue， •Colorful liquid。 •Second infection。
Polyps（above），papilloma（below）
management
-Complete excision some times it is difficult. recurrence 28-74%,
-medial maxilleatony.
-endoscopic excision -malignant transformation -tumor in the frontal sinus（1） -tumor in the frontal sinus （2）
mucosa cyst of nasal sinus
Pathogenesis
1、serous gland blocked
2、drainage retention of serous gland
presentation
•No complaint •Head pain •Pressure feeling on the cheek •Liquid withdraw •Yellow liquid
Mucocele of sinus
pathogenesis
–Commom in ethmoid and frontal sinus
–Obstruction of air cell –Retention of secretion
presentation
– Small: no complaint – Large: bone destruction
benign tumor in the nose
— more than 40 kinds of benign tumor — nasal organ is small. difficult
to identify the origin. —recurrence and
malignant transformation